1. Manuals
  2. Brands
  3. Ricoh Manuals
  4. Copier
  5. TH-C1b
  6. Service manual

Ricoh TH-C1b Service Manual

B156/b220
Hide thumbs
1
2
Table Of Contents
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
Table of Contents

Advertisement

Quick Links

Download this manual
Model TH-C1
(Machine Code: B156/B220)
SERVICE MANUAL
10 February 2005
Subject of change

Advertisement

Table of Contents
loading

Related Manuals for Ricoh TH-C1b

Summary of Contents for Ricoh TH-C1b

  • Page 1 Model TH-C1 (Machine Code: B156/B220) SERVICE MANUAL 10 February 2005 Subject of change...
  • Page 2 Trademarks ® ® ® Microsoft , Windows , and MS-DOS are registered trademarks of Microsoft Corporation in the United States and /or other countries. ® PostScript is a registered trademark of Adobe Systems, Incorporated. ® is a registered trademark of Hewlett-Packard Company. ®...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. INSTALLATION ................1-1 1.1 INSTALLATION REQUIREMENTS ............1-1 1.1.1 ENVIRONMENT ................1-1 1.1.2 MACHINE LEVEL ................1-1 1.1.3 POWER REQUIREMENTS ..............1-2 1.1.4 SPACE REQUIREMENTS..............1-2 1.2 COPIER (B156/B220)................1-3 1.2.1 POWER SOCKETS FOR PERIPHERALS ........1-3 1.2.2 INSTALLATION FLOW CHART............1-4 1.2.3 ACCESSORY CHECK..............1-5 1.2.4 INSTALLATION PROCEDURE ............1-6 1.3 PAPER TRAY UNIT (B456)..............1-13 1.3.1 ACCESSORY CHECK..............1-13...
  • Page 4 1.15 PRINTER OPTIONS................1-50 1.15.1 POSTSCRIPT 3 (B769) ..............1-50 1.15.2 FILE FORMAT CONVERTER (B609)...........1-51 1.15.3 IEEE1394 INTERFACE (B581) ............1-52 UP Mode Settings for IEEE 1394............1-53 SP Mode Settings for IEEE 1394............1-53 1.15.4 IEEE 1284 (B679).................1-54 Installation Procedure .................1-54 1.15.5 IEEE802.11B (G813) ..............1-55 UP Mode Settings for Wireless LAN ...........1-57 SP Mode Settings for IEEE 802.11b Wireless LAN ......1-58 1.15.6 BLUETOOTH (B736) ..............1-59...
  • Page 5 3.4.3 POLYGONAL MIRROR MOTOR AND LSD ........3-19 3.5 DEVELOPMENT UNIT ................3-20 3.6 PHOTOCONDUCTOR UNIT (PCU) ............3-21 3.6.1 PCU ASSEMBLY................3-21 3.6.2 WASTE TONER BOTTLES ............3-24 3.6.3 CHARGE CORONA UNIT, GRID, WIRE, AND CLEANER.....3-25 3.6.4 CHARGE CORONA WIRE CLEANER MOTOR ......3-27 3.6.5 OPC BELT CLEANING UNIT ............3-27 3.6.6 IMAGE TRANSFER BELT CLEANING UNIT .........3-27 3.7 PAPER TRANSFER UNIT...............3-28 3.7.1 VERTICAL TRANSPORT UNIT............3-28...
  • Page 6 3.11.3 MAIN MOTOR ................3-54 3.11.4 PCU GEAR BOX ................3-55 3.11.5 FUSING UNIT MOTOR ..............3-55 3.11.6 PAPER FEED CLUTCH 1 ............3-56 3.11.7 PAPER FEED MOTOR..............3-56 3.11.8 PAPER FEED CLUTCH 2 ............3-57 3.11.9 REGISTRATION CLUTCH ............3-57 3.11.10 OIL PUMP ..................3-58 3.12 COPY ADJUSTMENT ................3-59 3.12.1 PRINTING ..................3-59 Registration - Leading Edge/Side-to-Side...........3-59 Blank Margin..................3-60...
  • Page 7 4.4.2 SWITCHES..................4-27 4.4.3 BLOWN FUSE CONDITIONS ............4-27 4.5 CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR INTERVALS ..4-28 4.6 SKEWED IMAGES ..................4-29 4.7 TRAPEZOID IMAGES ................4-29 4.8 PARALLELOGRAM IMAGES ..............4-30 4.9 CHECKING THE IMAGE WITH THE TRIMMING PATTERN....4-31 4.10 CORRECTING THE IMAGES ...............4-32 4.10.1 FLOWCHART ................4-32 4.10.2 ACTION ..................4-33 Adjusting for Image Skew ..............4-36...
  • Page 8 5.1.5 OUTPUT CHECK .................5-107 Main Machine Output Check (SP5-804) ...........5-107 ARDF Output Check (SP6-008)............5-110 Finisher Output Check (SP6-118).............5-110 5.1.6 SMC DATA LISTS (SP5-990)............5-111 5.1.7 ORIGINAL JAM HISTORY DISPLAY ...........5-111 Total Count ..................5-111 Details on the Most Recent Jams .............5-111 5.1.8 COPY JAM HISTORY DISPLAY ..........5-112 Total Count ..................5-112 Details on the Most Recent Jams .............5-112 5.1.9 MEMORY ALL CLEAR (SP5-801)..........5-113...
  • Page 9 5.10.4 NEW DEBUG LOG CODES ............5-134 SP5857-015 Copy SD Card-to-SD Card: Any Desired Key .....5-134 SP5857-016 Create a File on HDD to Store a Log ......5-134 SP5857-017 Create a File on SD Card to Store a Log ....5-134 6. DETAILED SECTION DESCRIPTIONS ........6-1 6.1 OVERVIEW ....................6-1 6.1.1 MECHANICAL COMPONENTS............6-1 6.1.2 PAPER PATH...................6-2...
  • Page 10 ADS (Auto Image Density Selection) ..........6-27 Image Separation................6-28 ACS (Auto Color Selection) ..............6-28 Color Conversion ................6-29 Main Scan Magnification..............6-29 Printer Gamma Correction ..............6-30 Error Diffusion..................6-32 6.7 PHOTOCONDUCTOR UNIT (PCU) ............6-33 6.7.1 OVERVIEW ..................6-33 6.7.2 CHARGE CORONA UNIT ..............6-34 Power Supply..................6-34 Grid and Wire Cleaning...............6-34 Quenching ..................6-36 6.7.3 OPC BELT DRIVE ................6-36...
  • Page 11 6.9.4 TONER END DETECTION.............6-51 Mechanism ..................6-51 Toner Near-End Detection ..............6-51 Toner End Detection ................6-52 Toner End Recovery ................6-52 6.9.5 DEVELOPMENT UNIT CONTACT MECHANISM ......6-53 Mechanism ..................6-53 Reverse Rotation ................6-54 6.9.6 POWER SOURCE................6-55 Development, Toner Supply, and Doctor Rollers........6-55 Doctor Roller..................6-55 6.10 PAPER FEED..................6-56 6.10.1 OVERVIEW ..................6-56 Transport Speed .................6-57...
  • Page 12 6.12.5 TEMPERATURE CONTROL ............6-71 6.12.6 ENERGY SAVER MODES ............6-72 Overview.....................6-72 Panel Off Mode...................6-73 Low Power Mode ................6-74 Auto Off Mode..................6-75 6.12.7 PAPER EXIT ................6-76 Drive ....................6-76 Paper Jam Detection ................6-76 6.12.8 PAPER OVERFLOW DETECTION ..........6-76 6.13 PRINT DATA PROCESSING ..............6-77 6.13.1 RPCS DRIVER ................6-77 6.13.2 PCL5C DRIVER................6-77 6.13.3 PS3 DRIVER ................6-78...

  • Page 13: Installation

    10 February 2005 INSTALLATION REQUIREMENTS 1. INSTALLATION 1.1 INSTALLATION REQUIREMENTS 1.1.1 ENVIRONMENT 1. Temperature Range: 10°C to 32°C (50°F to 89.6°F) (humidity to be 54% at 32°C, 89.6°F) 2. Humidity Range: 15% to 80% Rh (temperature to be 27°C, 80.6°F at 80%) 3.

  • Page 14: Power Requirements

    INSTALLATION REQUIREMENTS 10 February 2005 1.1.3 POWER REQUIREMENTS CAUTION 1. Insert the plug firmly in the outlet. 2. Avoid using an outlet extension plug or cord. 3. Ground the machine. 1. Input voltage level: 120 V, 60 Hz, More than 12 A 220 ∼...

  • Page 15: Copier (B156/B220)

    10 February 2005 COPIER (B156/B220) 1.2 COPIER (B156/B220) 1.2.1 POWER SOCKETS FOR PERIPHERALS CAUTION Rating voltage for peripherals. Make sure to plug the cables into the correct sockets. 1. ADF 2. Finisher 1. Rating voltage output connector 1. Rating voltage output connector for accessory Max.

  • Page 16: Installation Flow Chart

    COPIER (B156/B220) 10 February 2005 1.2.2 INSTALLATION FLOW CHART The following flow chart shows how to install the optional units more efficiently. Unpack the copier Does the user require the Paper Tray Unit, LCT, or Finisher? Place the copier on the Paper Tray Unit or LCT Install the Paper Tray Unit or LCT Install the copier Does the user require the By-pass Tray?

  • Page 17: Accessory Check

    10 February 2005 COPIER (B156/B220) 1.2.3 ACCESSORY CHECK Check the quantity and condition of the accessories in the box against the following list: Description Q’ty Paper Tray Decal Model Name Decal NECR Factory Data Sheet Filter Duct Filter Caution Decal – Power/Paper Decal –...

  • Page 18: Installation Procedure

    COPIER (B156/B220) 10 February 2005 1.2.4 INSTALLATION PROCEDURE B156I504.WMF B156I505.WMF B156I506.WMF CAUTION Unplug the machine power cord before starting the following procedure. If the optional paper tray or the optional LCT will be installed at the same time, place the copier on the paper tray unit or the LCT first, then install the copier and the other options.
  • Page 19 10 February 2005 COPIER (B156/B220) B156I508.WMF B156I507.WMF B156I509.WMF 3. Open the right cover [A], and remove the red tags [B]. 4. Open the left cover [C] (! x 2), and remove the red tags [D]. 5. Pull out all development units [E] (" x 1 each).
  • Page 20 COPIER (B156/B220) 10 February 2005 B156I511.WMF 6. Keep the development unit level and shake the development unit about 10 times from side to side. NOTE: 1) Do not touch the development roller or the development roller gear. 2) Use caution not to drop the cartridge or to damage it. 3) If the cartridge has not been shaken well, the machine takes a longer time to initialize the development unit, or an error message or SC350 is displayed.
  • Page 21 10 February 2005 COPIER (B156/B220) B156I513.WMF 7. Reinstall the development units, and close the left cover. NOTE: A white line or band may appear on one end of the paper if a development unit is incorrectly installed. To correct this, pull out the development unit partially (about 30 mm) and slowly reinstall it.
  • Page 22 COPIER (B156/B220) 10 February 2005 B156I514.WMF B156I515.WMF B156I516.WMF 9. Install the filters [A] and ducts [B] as shown. 10. Attach the appropriate model name decal [C] with cover [D] to the front cover. 11. Attach the caution decal [E] to the tray. Attach the copy prohibition decal [F] to the top.
  • Page 23 10 February 2005 COPIER (B156/B220) B156I517.WMF 14. If the optional bridge unit will not be installed: Swing the sensor feeler [A] out. 15. Install the optional ARDF (EU model only) or the optional platen cover (see ARDF Installation or Platen Cover Installation). B810I504.WMF B502I006.WMF 16.
  • Page 24 COPIER (B156/B220) 10 February 2005 18. Plug in the machine and turn the main power switch on. The machine automatically performs the initialization procedure. After this has finished, the Start button LED turns green. 19. Make copies of image samples (text, photo, and text/photo modes). 20.

  • Page 25: Paper Tray Unit (B456)

    10 February 2005 PAPER TRAY UNIT (B456) 1.3 PAPER TRAY UNIT (B456) 1.3.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Right Stand Bracket Left Stand Bracket Securing Bracket Front Stand Rear Stand Screw –...
  • Page 26 PAPER TRAY UNIT (B456) 10 February 2005 B456I103.WMF B456I104.WMF 2. Remove the paper trays [A] from the paper tray unit and remove the shipping retainers. 3. Install the front stand [B] (! x2). 4. Install the rear stand [C]. 5. Attach the two stand brackets [D] (! x1 each). 1-14...
  • Page 27 10 February 2005 PAPER TRAY UNIT (B456) B456I215.WMF B456I212.WMF B456I106.WMF 6. Attach the cardboard guides [A] to each side of the paper tray unit [B]. 7. Set the copier [C] on the paper tray unit [B]. Use the cardboard guides. 8.
  • Page 28 10 February 2005 B456I004.WMF 11. Reinstall the paper trays and attach the appropriate paper tray number decal [A] to the paper tray. NOTE: The paper tray number decal is in the accessory box for the main copier. 12. Load paper into the paper trays. 13.

  • Page 29: Lct (B457)

    10 February 2005 LCT (B457) 1.4 LCT (B457) 1.4.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Right Stand Bracket Left Stand Bracket Securing Bracket Front Stand Rear Stand Screw – M4x10 Knob Screw Stepped Screw B457I007.WMF...
  • Page 30 LCT (B457) 10 February 2005 B457I003.WMF B457I104.WMF 2. While pressing the stopper [A] attached to the guide rail, pull out the large capacity tray [B]. 3. Install the front stand [C] (! x2). 4. Install the rear stand [D]. 5. Attach the two stand brackets [E] (! x1 each). 1-18...
  • Page 31 10 February 2005 LCT (B457) B456I215.WMF B457I152.WMF B457I156.WMF 6. Attach the cardboard guides [A] to each side of the LCT [B]. 7. Set the copier [C] on the LCT [B]. Use the cardboard guides. 8. Remove the cardboard guides from the LCT. 9.
  • Page 32 LCT (B457) 10 February 2005 B457I005.WMF 11. Reinstall the paper trays and attach the appropriate paper tray number decal [A] to the LCT. NOTE: The paper tray number decal is in the accessory box for the main copier. 12. Load paper into the LCT. 13.

  • Page 33: Auto Reverse Document Feeder (B810)

    10 February 2005 AUTO REVERSE DOCUMENT FEEDER (B810) 1.5 AUTO REVERSE DOCUMENT FEEDER (B810) 1.5.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Scale Guide DF Exposure Glass Stud Screw Knob Screw Original Size Decal Screwdriver Tool Cloth...
  • Page 34 AUTO REVERSE DOCUMENT FEEDER (B810) 10 February 2005 B386I107.WMF B386I108.WMF 2. Remove the left scale [A] (! x 2). 3. Peel off the backing [B] of the double-sided tape attached to the glass holder. 4. Place the DF exposure glass [C] on the glass holder. NOTE: When installing the DF exposure glass, make sure that the white point [D] is on the lower front side of the glass, as shown.
  • Page 35 10 February 2005 AUTO REVERSE DOCUMENT FEEDER (B810) B386I110.WMF B386I111.WMF B386I501.WMF 10. Peel off the platen sheet [A] and place it on the exposure glass. 11. Line up the rear left corner of the platen sheet flush against corner [B] on the exposure glass.

  • Page 36: Interchange Unit (B481)

    INTERCHANGE UNIT (B481) 10 February 2005 1.6 INTERCHANGE UNIT (B481) 1.6.1 ACCESSORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty Interchange Unit B481I101.WMF 1-24...

  • Page 37: Installation Procedure

    10 February 2005 1.6.2 INSTALLATION PROCEDURE B481I102.WMF B481I103.WMF CAUTION Unplug the copier power cord before starting the following procedure. 1. Remove all tapes. 2. Open the right cover [A] of the copier. 3. Open cover [B] and remove it. 4. Remove the connector cover [C] (! x1). 5.

  • Page 38: Bin Tray Unit (B480)

    1 BIN TRAY UNIT (B480) 10 February 2005 1.7 1 BIN TRAY UNIT (B480) 1.7.1 ACCESSORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty 1-Bin Tray Unit Tray Sub-Tray Tray Guide Shield Mylar Sub Paper Guide Paper Guide Tapping Screw M3x8...

  • Page 39: Installation Procedure

    10 February 2005 1 BIN TRAY UNIT (B480) 1.7.2 INSTALLATION PROCEDURE B480I107.WMF CAUTION Unplug the copier power cord before starting the following procedure. NOTE: Before installing this 1-bin tray unit, the optional interchange unit (B481) must be installed. 1. Remove all tapes. 2.
  • Page 40 1 BIN TRAY UNIT (B480) 10 February 2005 B480I108.WMF B480I102.WMF B480I103.WMF 3. Peel off the backing of the double-sided tape attached to the shield mylar [A]. Then attach the shield mylar to the 1-bin unit, as shown. 4. If the front right cover [B] is installed, remove it (! x1). 5.
  • Page 41 10 February 2005 1 BIN TRAY UNIT (B480) B480I104.WMF B480I109.WMF B480I106.WMF 8. Install the LED board [A] on the front right cover (! x1). 9. Reinstall the front right cover [B] (" x2, ! x1). 10. Peel off the backing of the double-sided tape attached to the paper guide [C]. Then attach the paper guide to the underside of the scanner unit as shown.

  • Page 42: Shift Tray (B510)

    SHIFT TRAY (B510) 10 February 2005 1.8 SHIFT TRAY (B510) 1.8.1 ACCESSORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty Shift Tray Unit Paper Guide - Large Paper Guide - Small Stepped Screw Core B510I111.WMF 1.8.2 INSTALLATION PROCEDURE...
  • Page 43 10 February 2005 SHIFT TRAY (B510) B510I211.WMF B510I103.WMF 5. Remove the connector cover [A] (! x 1). 6. Remove the rear cover [B] (! x2). 7. Pass the harnesses [C] through the opening [D], and install the shift tray unit [E], as shown.
  • Page 44 SHIFT TRAY (B510) 10 February 2005 B510I202.WMF B510I201.WMF 8. Remove the screws [A]. (! x 6) 9. Remove the SD-card slot cover [B]. (! x 1) 10. Open the controller box [C]. B510I203.WMF 11. Connect the harness [D], as shown. 12.

  • Page 45: By-Pass Feed Unit (B490)

    10 February 2005 BY-PASS FEED UNIT (B490) 1.9 BY-PASS FEED UNIT (B490) 1.9.1 ACCESSORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty By-pass Tray Unit Tapping Screw Decal B490I001.WMF 1.9.2 INSTALLATION PROCEDURE B490I113.WMF CAUTION Unplug the copier power cord before starting the following procedure.
  • Page 46 BY-PASS FEED UNIT (B490) 10 February 2005 B490I114.WMF B490I002.WMF 3. Install the by-pass tray unit [A] (! x3, " x1). 4. Attach the decal [B] as shown. 5. Turn the main power switch on and check the by-pass tray function. 6.

  • Page 47: Duplex Unit (B509)

    10 February 2005 DUPLEX UNIT (B509) 1.10 DUPLEX UNIT (B509) 1.10.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Duplex Unit Upper Bracket Rear Holder Bracket Front Holder Bracket Clip Tapping Screw – M4x6 Tapping Screw –...

  • Page 48: Installation Procedure

    DUPLEX UNIT (B509) 10 February 2005 1.10.2 INSTALLATION PROCEDURE B509I102.WMF B509I103.WMF CAUTION Unplug the copier power cord before starting the following procedure. NOTE: Before installing the duplex unit, the optional interchange unit (B481) must be installed. 1. Remove all tapes (see the previous page). 2.
  • Page 49 10 February 2005 DUPLEX UNIT (B509) B509I104.WMF B509I105.WMF 4. Set the duplex unit [A] on the brackets [B] (1 clip). 5. Attach the link [C] to the shaft [D] and secure it with the clip. 6. Remove the connector cover [E] (! x1). 7.

  • Page 50: Bridge Unit (B482)

    BRIDGE UNIT (B482) 10 February 2005 1.11 BRIDGE UNIT (B482) 1.11.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Bridge Unit Rear Joint Bracket Front Joint Bracket Knob Screw Screw – M3x6 Screw –...
  • Page 51 10 February 2005 BRIDGE UNIT (B482) B482I102.WMF B482I209.WMF B482I103.WMF 3. Remove the front right cover [A] (! x1). 4. Remove two covers [B] (! x1 each). 5. Remove the connector cover [C] (! x 1). 6. Remove the rear cover [D] (! x2). 7.
  • Page 52 BRIDGE UNIT (B482) 10 February 2005 B482I207.WMF B482I208.WMF 9. Remove the screws [A] (! x 6). 10. Remove the SD-card slot cover [B] (! x 1). 11. Open the controller box [C]. 1-40...
  • Page 53 10 February 2005 BRIDGE UNIT (B482) B482I206.WMF 12. Connect the harnesses [A], as shown. 13. Attach the harnesses with clamps [B]. 14. Attach the core [C]. NOTE: Make sure that the core does not cause damage to the harnesses. 15. Reinstall the rear cover. 16.

  • Page 54: 1000-Sheet Finisher (B408)

    1000-SHEET FINISHER (B408) 10 February 2005 1.12 1000-SHEET FINISHER (B408) 1.12.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. B408I502.WMF Description Q’ty B022/B027/B031/ B051/B052/ B079/B082/ B089/B093/B097 B156/B220 B135/B138 Front Joint Bracket Rear Joint Bracket Rear Joint Bracket Grounding Plate Copy Tray...

  • Page 55: Installation Procedure

    10 February 2005 1000-SHEET FINISHER (B408) 1.12.2 INSTALLATION PROCEDURE B408I102.WMF B408I103.WMF CAUTION Unplug the main machine power cord before starting the following procedure. NOTE: The following options must be installed before installing this finisher. - Bridge Unit (B482) - Paper Tray Unit (B456) or LCT (B457) Also, the optional adjustment table (B488) is required.
  • Page 56 1000-SHEET FINISHER (B408) 10 February 2005 B408I152.WMF B408I114.WMF 2. Unpack the adjustment table (B488). 3. Set the finisher [A] on the adjustment table [B] and secure the finisher (! x 1). 4. Install the grounding plate [C] which is in the accessory box for the adjustment table (! x 2).
  • Page 57 10 February 2005 1000-SHEET FINISHER (B408) B408I501.WMF 10. Attach the staple position decal [A] to the ARDF as shown. 11. Turn on the main power switch and check the finisher operation. 1-45...

  • Page 58: 500-Sheet Finisher (B458)

    500-SHEET FINISHER (B458) 10 February 2005 1.13 500-SHEET FINISHER (B458) 1.13.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Unit Holder Entrance Guide Shift Tray Snap Ring Knob Screw B458I102.WMF 1-46...

  • Page 59: Installation Procedure

    10 February 2005 500-SHEET FINISHER (B458) 1.13.2 INSTALLATION PROCEDURE B458I101.WMF B458I103.WMF CAUTION Unplug the main machine power cord before starting the following procedure. NOTE: Before installing the 500-sheet finisher, the optional bridge unit (B482) must be installed. 1. Unpack the finisher and remove the tapes. 2.
  • Page 60 500-SHEET FINISHER (B458) 10 February 2005 B458I104.WMF B458I105.WMF 5. Install the 500-sheet finisher [A] (" x1). 6. Install the output tray [B] as shown (2 snap rings). 7. Turn on the main power switch and check the finisher operation. 1-48...

  • Page 61: Platen Cover Installation

    10 February 2005 PLATEN COVER INSTALLATION 1.14 PLATEN COVER INSTALLATION B156I518.WMF B156I519.WMF 1. Install the platen cover [A] (! x 2). 2. Peel off the platen sheet [B] and place it on the exposure glass. 3. Line up the rear left corner of the platen sheet flush against corner [C] on the exposure glass.

  • Page 62: Printer Options

    PRINTER OPTIONS 10 February 2005 1.15 PRINTER OPTIONS 1.15.1 POSTSCRIPT 3 (B769) CAUTION Unplug the main machine’s power cord before starting the following procedure. B769I001.WMF 1. Remove the SD-card cover [A] from the machine (! x 1). 2. Make sure that the printed face [B] of the SD card points to the rear of the machine.

  • Page 63: File Format Converter (B609)

    10 February 2005 PRINTER OPTIONS 1.15.2 FILE FORMAT CONVERTER (B609) CAUTION Disconnect the main machine’s power cord before you start this procedure. B609I001.WMF 1. Remove the slot cover [A] from I/F Card Slot A (! x 2). 2. Install the file-format-converter board [B] (Knob-screw x 2). NOTE: Use a screwdriver when you tighten the knob-screws.

  • Page 64: Ieee1394 Interface (B581)

    PRINTER OPTIONS 10 February 2005 1.15.3 IEEE1394 INTERFACE (B581) CAUTION Unplug the main machine power cord before starting the following procedure. NOTE: You can only install one of these network interfaces at the same time: IEEE 802.11b (Wireless LAN), IEEE1284 (Parallel/Centronics), IEEE1394 (FireWire), or Bluetooth.

  • Page 65: Up Mode Settings For Ieee 1394

    10 February 2005 PRINTER OPTIONS UP Mode Settings for IEEE 1394 Enter the UP mode. Then do the procedure below to perform the initial interface settings for IEEE 1394. These settings take effect every time the machine is powered on. 1.

  • Page 66: Ieee 1284 (B679)

    PRINTER OPTIONS 10 February 2005 1.15.4 IEEE 1284 (B679) Installation Procedure CAUTION Disconnect the main machine’s power cord before you start this procedure. NOTE: You can only install one of these network interfaces at the same time: IEEE 802.11b (Wireless LAN), IEEE1284 (Parallel/Centronics), IEEE1394 (FireWire), Bluetooth.

  • Page 67: Ieee802.11B (G813)

    10 February 2005 PRINTER OPTIONS 1.15.5 IEEE802.11B (G813) CAUTION Unplug the main machine power cord before starting the following procedure. NOTE: You can only install one of the following network interfaces at the same time: IEEE 802.11b (Wireless LAN), IEEE1284 (Parallel/Centronics), IEEE1394 (FireWire), Bluetooth.
  • Page 68 PRINTER OPTIONS 10 February 2005 B529I008.WMF If wireless LAN reception is not very good, install the extended antenna. 5. Remove the wireless LAN card [A] from the machine. 6. Remove the standard antenna [B] from the wireless LAN card. 7. Install the extended antenna [C] on the LAN card, as shown. NOTE: The antenna jack must be at the bottom end.

  • Page 69: Up Mode Settings For Wireless Lan

    10 February 2005 PRINTER OPTIONS UP Mode Settings for Wireless LAN Enter the UP mode. Then do the procedure below to perform the initial interface settings for IEEE 802.11b. These settings take effect every time the machine is powered on. NOTE: You cannot use the wireless LAN if you use Ethernet.

  • Page 70: Sp Mode Settings For Ieee 802.11B Wireless Lan

    PRINTER OPTIONS 10 February 2005 10. Press “Return to Default” to initialize the wireless LAN settings. Press “Yes” to initialize the following settings: • Transmission mode • Channel • Transmission Speed • WEP • SSID • WEP Key SP Mode Settings for IEEE 802.11b Wireless LAN The following SP commands and UP modes can be set for IEEE 802.11b SP No.

  • Page 71: Bluetooth (B736)

    10 February 2005 PRINTER OPTIONS 1.15.6 BLUETOOTH (B736) CAUTION Disconnect the main machine’s power cord before you start this procedure. NOTE: You can only install one of these network interfaces at the same time: IEEE 802.11b (Wireless LAN), IEEE1284 (Parallel/Centronics), IEEE1394 (FireWire), Bluetooth.

  • Page 72: Checking The Connections

    PRINTER OPTIONS 10 February 2005 1.15.7 CHECKING THE CONNECTIONS 1. Plug in the power cord and turn on the main switch. 2. Enter the printer user mode and print the configuration page. (User Tools/ Printer Settings/ List Test Print/ Config. Page) The same data can also be printed using the printer service mode.

  • Page 73: Data Overwrite Security Unit (B735)

    10 February 2005 DATA OVERWRITE SECURITY UNIT (B735) 1.16 DATA OVERWRITE SECURITY UNIT (B735) ACCESSORY CHECK Check the quantity and condition of these accessories. Description Q’ty 1. SD Card................1 2. Operation Instructions (CD-ROM) ........1 Seal Check and Removal B735I901.WMF B735I903.WMF CAUTION Before you start the installation, you must check the box seals to make sure that they were not removed after the items were sealed in the box at...

  • Page 74: Installation Procedure

    DATA OVERWRITE SECURITY UNIT (B735) 10 February 2005 Installation Procedure CAUTION The machine must always be turned off and its power cord disconnected before you do this procedure. NOTE: You must install the data overwrite protection unit in SD Card slot 2. But, the postscript option for this machine is also installed in SD Card slot 2.
  • Page 75 10 February 2005 DATA OVERWRITE SECURITY UNIT (B735) 6. Turn the operation switch and main power switch off. 7. Remove the slot cover [A] (! x 1). 8. Turn the SD-card face [B] to the rear of the machine. Then push it slowly into slot 2 until you hear a click.

  • Page 76: Key Counter Installation

    KEY COUNTER INSTALLATION 10 February 2005 1.17 KEY COUNTER INSTALLATION B156I520.WMF B156I524.WMF B156I552.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the connector cover [A] (! x 1). 2. Remove the rear cover [B] (! x 2). 3.
  • Page 77 10 February 2005 KEY COUNTER INSTALLATION B156I526.WMF B156I527.WMF 7. Hold the key counter plate nuts [A] on the inside of the key counter bracket [B] and insert the key counter holder [C]. 8. Secure the key counter holder to the bracket (! x 2). 9.

  • Page 78: Anti-Condensation Heater

    ANTI-CONDENSATION HEATER 10 February 2005 1.18 ANTI-CONDENSATION HEATER B156I620.WMF B156I531.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the connector cover [A] (! x 1). 2. Remove the rear cover [B] (! x 2). 3.
  • Page 79 10 February 2005 ANTI-CONDENSATION HEATER B156I529.WMF B156I528.WMF 7. Remove the rear scale [A] (! x 3), left scale [B] (! x 2), and exposure glass [C]. NOTE: When installing the exposure glass, make sure that the mark [D] is positioned at the rear left corner, as shown. 8.

  • Page 80: Tray Heater

    TRAY HEATER 10 February 2005 1.19 TRAY HEATER B156I620.WMF B156I530.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the connector cover [A] (! x 1). 2. Remove the rear cover [B] (! x 2). 3.
  • Page 81 10 February 2005 TRAY HEATER B156I531.WMF B156I551.WMF 7. Remove the oil tank [A]. NOTE: Hang the left oil pipe [B] in the notch [C] in the controller box. Then, oil does not fall from the pipe to the floor. 8. Connect the two connectors [D]. 9.

  • Page 82: Tray Heater (Optional Paper Tray Unit)

    TRAY HEATER (OPTIONAL PAPER TRAY UNIT) 10 February 2005 1.20 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) B456I502.WMF B456I620.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the connector cover [A] (! x 1). 2. Remove the rear cover for the main machine [B] (! x 2). 3.
  • Page 83 10 February 2005 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) B456I201.WMF B456I292.WMF 7. Pass the connector [A] through the opening [B]. 8. Install the tray heater [C] (! x 1). 9. Connect the heater connector [D] to the cable [E]. 10. Remove the oil tank [F]. NOTE: Hang the left oil pipe [G] in the notch [H] in the controller box.

  • Page 84: Tray Heater (Optional Lct)

    TRAY HEATER (OPTIONAL LCT) 10 February 2005 1.21 TRAY HEATER (OPTIONAL LCT) B457I502.WMF B457I620.WMF B457I501.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the connector cover [A] (! x 1). 2. Remove the rear cover for the main machine [B] (! x 2). 3.
  • Page 85 10 February 2005 TRAY HEATER (OPTIONAL LCT) B457I251.WMF B457I291.WMF 8. Pass the connector [A] through the opening [B]. 9. Install the tray heater [C] (! x 1). 10. Connect the heater connector [D] to the cable [E]. 11. Remove the oil tank [F]. NOTE: Hang the left oil pipe [G] in the notch [H] in the controller box.

  • Page 86: Preventive Maintenance

    10 Februry 2005 MAIN UNIT 2. PREVENTIVE MAINTENANCE 2.1 MAIN UNIT 2.1.1 OVERVIEW Oil supply unit Fusing subunit Charge corona unit B156P501.WMF...

  • Page 87: Waste Toner Bottles

    MAIN UNIT 10 February 2005 2.1.2 WASTE TONER BOTTLES IMPORTANT: You must remove toner from the waste toner bottles during each service call. B156P502.BMP B156P503.BMP T/B waste toner bottle O/B waste toner bottle...

  • Page 88: Pm Table

    10 Februry 2005 MAIN UNIT 2.1.3 PM TABLE After replacing a part, reset the PM counter for that part (SP 7-804). Abbreviations: C lean nspect il replenishment eplace mergency aintenance Optical System Prints Developments Remarks 120K 120K 240K White plate Optical cloth 1st mirror Optical cloth...
  • Page 89 MAIN UNIT 10 February 2005 Paper Feed System Prints Developments Remarks 120K 120K 240K Idle roller (registration) Damp/dry cloth Registration sensor Damp/dry cloth Transport guide Damp/dry cloth Feed roller (main unit) Vertical transport roller Damp/dry cloth Friction pad (main unit) Fusing Unit Prints Developments...
  • Page 90 10 Februry 2005 MAIN UNIT Filters Prints Developments Remarks 120K 120K 240K Exhaust filters Ozone filter Others Prints Developments Remarks 120K 120K 240K Check the function Breaker once a year. See section 3.16. By-pass Tray Unit Prints Developments Remarks 120K 120K 240K Feed roller Pickup roller...

  • Page 91: Optional Unit Pm Table

    OPTIONAL UNIT PM TABLE 10 February 2005 2.2 OPTIONAL UNIT PM TABLE Abbreviations: C lean nspect il replenishment eplace mergency aintenance Duplex Unit Prints Developments Remarks 120K 120K 240K Idle roller (inverter) Damp/dry cloth Idle roller Damp/dry cloth (vertical transport) Auto-reverse Document Feeder Prints Developments...

  • Page 92: Replacement And Adjustment

    10 February 2005 SPECIAL TOOLS 3. REPLACEMENT AND ADJUSTMENT  CAUTION Turn off the main power switch and unplug the machine before beginning any of the procedures in this section. NOTE: This manual uses the following symbols.  : Screws ...

  • Page 93: Scanner Unit

    SCANNER UNIT 10 February 2005 3.3 SCANNER UNIT 3.3.1 EXPOSURE GLASS 1. Rear scale [A] ( x 3) 2. Left scale [B] ( x 2) NOTE: After replacing the left scale, adjust the scanner white level 3.14). 3. Exposure glass [C] NOTE: When reassembling, position the glass marker [D] at the rear-left corner.

  • Page 94: Lens Block Assembly

    10 February 2005 SCANNER UNIT 3.3.3 LENS BLOCK ASSEMBLY 1. Exposure glass ( 3.3.1) 2. Rear cover ( 3.4.2) 3. Scanner right cover [A] ( x 2) 4. Inner cover [B] ( x 4) B156R004.WMF 5. Lens block assembly [C] (...
  • Page 95 SCANNER UNIT 10 February 2005 B156R999.JPG...

  • Page 96: Exposure Lamp Stabilizer

    10 February 2005 SCANNER UNIT 3.3.4 EXPOSURE LAMP STABILIZER 1. Rear cover ( 3.4.2) 2. Exposure lamp stabilizer bracket [A] ( x 2,  x 2) 3. Exposure lamp stabilizer [B] ( x 2) B156R007.WMF 3.3.5 SCANNER LAMP 1. Exposure glass ( 3.3.1) 2.
  • Page 97 SCANNER UNIT 10 February 2005 9. Scanner I/O board ( 3.3.6) 10. Rear frame with the rear rail frame [A] ( x 8,  x 1) B156R103.WMF 11. Lamp guard [B] ( x 2) 12. Release the cable holder [C]. 13.
  • Page 98 10 February 2005 SCANNER UNIT 16. Disconnect the connector [A]. 17. Remove the paper length sensor [B] ( x 1). 18. Remove the scanner lamp cable ( [C] with a screw). 19. Remove the cable guide [D]. Reassembling • When you install the scanner lamp, make sure that the binding [E] is set as shown.

  • Page 99: Scanner I/O Board

    SCANNER UNIT 10 February 2005 3.3.6 SCANNER I/O BOARD 1. Scanner right cover and scanner rear cover ( 3.3.5) 2. Scanner I/O board [A] ( x 6,  x 7) B156R006.WMF 3.3.7 SCANNER MOTOR 1. Scanner I/O board ( 3.3.6) 2.
  • Page 100 10 February 2005 SCANNER UNIT Reassembling the Front Scanner Wire 1. Pass the end with the ball [A] through the left square hole from the front. 2. Position the center ball [B] in the middle of the notch, as shown by the arrow.
  • Page 101 SCANNER UNIT 10 February 2005 8. Hook the ring end onto the front scanner wire bracket [A], with the end going via the front track of the right pulley [B] and the front track of the movable pulley [C]. NOTE: Do not screw the scanner wire bracket in place yet.

  • Page 102: Rear Scanner Wire

    10 February 2005 SCANNER UNIT 3.3.9 REAR SCANNER WIRE 1. Exposure glass ( 3.3.1) 2. Scanner motor ( 3.3.7) 3. Left frame ( 3.3.5) 4. Scanner I/O board ( 3.3.6) 5. Rear frame [A] with the rear rail frame ( x 8,  x 1) 6.
  • Page 103 SCANNER UNIT 10 February 2005 Reassembling the Rear Scanner Wire 1. Pass the end with the ball [A] through the right square hole from the front. 2. Position the center ball [B] in the middle of the notch, as shown by the arrow. 3.

  • Page 104: Laser Unit

    10 February 2005 LASER UNIT 3.4 LASER UNIT  WARNING Turn off the main switch and unplug the machine before beginning any of the procedures in this section. Laser beams can cause serious eye injury. 3.4.1 CAUTION DECAL LOCATION CAUTION VORSICHT CATION-CLASS 3B LASER RADIATION WHEN OPEN...

  • Page 105: Laser Unit

    LASER UNIT 10 February 2005 3.4.2 LASER UNIT B156R924.WMF B156I620.WMF 1. Connector cover [A] ( x 1) 2. Rear cover [B] ( x 2) 3. Lower rear cover [C] ( x 2) 4. Remove the screw [D]. Then loosen the eight screws [E]. 5.
  • Page 106 10 February 2005 LASER UNIT 7. Open the left cover [A] ( x 2). 8. ID chip connectors [B] ( x 4) 9. Development units [C] x 4 ( 3.5) B156R234.WMF 10. Left cover [D] 11. Open the front cover. 12.

  • Page 107: Adjusting For Image Skew

    LASER UNIT 10 February 2005 14. LD cover [A] ( x 2) 15. Laser unit [B] ( x 4, Flat cable x 1) NOTE: When reassembling, connect the flat cable with the blue side down. B156R237.WMF Adjusting for Image Skew 1.

  • Page 108: D-Phase Adjustment

    10 February 2005 LASER UNIT D-Phase Adjustment This adjustment corrects the difference in density on the left and right sides of the paper. The data sheet (distributed with the laser unit) is necessary for this adjustment. After replacing the laser unit, do the following adjustment. NOTE: 1) If the D-phase adjustment is not made, a difference in the density may be seen.

  • Page 109: Laser Beam Pitch Adjustment

    LASER UNIT 10 February 2005 Laser Beam Pitch Adjustment 1. Print out the test pattern with SP5-955-1, then select pattern Feed direction 15 ( 5.1.3). 2. Check if vertical black stripes can be seen. a) If stripes cannot be seen (Figure 2), laser beam pitch adjustment is not required.

  • Page 110: Polygonal Mirror Motor And Lsd

    10 February 2005 LASER UNIT 3.4.3 POLYGONAL MIRROR MOTOR AND LSD  WARNING Do not touch any edges of the polygon mirror, spring, or bracket. These edges can cause serious injury. 1. Development units x 4 ( 3.5), LD cover 3.4.2) 2.

  • Page 111: Development Unit

    DEVELOPMENT UNIT 10 February 2005 3.5 DEVELOPMENT UNIT  CAUTION Do not touch the development unit sleeves or ID chip terminals.  WARNING Turn off the main switch before you start the procedures in this section. 1. Open the left cover [A] ( x 2) 2.

  • Page 112: Photoconductor Unit (Pcu)

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) 3.6 PHOTOCONDUCTOR UNIT (PCU) 3.6.1 PCU ASSEMBLY NOTE: 1) Before replacing any of the parts or consumables in this section, cover the floor with cloth or some sheets of paper. 2) Never tilt the unit. The toner may come out of the unit. 3) When handling the unit, grasp the brown (front) and metal (top) grips.
  • Page 113 PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 6. Before you install the new PCU, remove the cap [C]. Install the new PCU carefully. If you install it too quickly, this will cause damage to the quenching lamp support. 3-22...
  • Page 114 10 February 2005 PHOTOCONDUCTOR UNIT (PCU) If you removed or installed the left inner cover, make sure that the projections shown here are below the cover (they must not be seen). 3-23...

  • Page 115: Waste Toner Bottles

    PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 3.6.2 WASTE TONER BOTTLES 1. T/B waste toner bottle [A] B156R248.WMF 2. O/B waste toner bottle [B] NOTE: There is much more O/B waste toner than T/B waste toner. Dispose of the O/B waste toner whenever you work on the machine.

  • Page 116: Charge Corona Unit, Grid, Wire, And Cleaner

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) 3.6.3 CHARGE CORONA UNIT, GRID, WIRE, AND CLEANER 1. Modular cable [A] 2. Charge corona unit [C] (Loosen  [B]) B156R251.WMF 3. Front bracket ( x 1) [D] 4. Grid [E] 5. Rear bracket [F] B156R252.WMF 6.
  • Page 117 PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 When you remove the charge corona unit, keep the unit level while you pull it out carefully. Do not lower or turn the unit. 3-26...

  • Page 118: Charge Corona Wire Cleaner Motor

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) 3.6.4 CHARGE CORONA WIRE CLEANER MOTOR 1. Charge corona unit ( 3.6.3) 2. Front cover [A] ( x 3) 3. Motor [B] B156R254.WMF 3.6.5 OPC BELT CLEANING UNIT 1. O/B waste toner bottle ( 3.6.2) 2.

  • Page 119: Paper Transfer Unit

    PAPER TRANSFER UNIT 10 February 2005 3.7 PAPER TRANSFER UNIT 3.7.1 VERTICAL TRANSPORT UNIT 1. Open the right lower cover [A]. 2. Right cover [B] ( x 1) B156R256.WMF 3.7.2 TRANSFER ROLLER 1. Brace [A] ( x 1) 2. Remove the screws ( x 4) for the discharge unit.

  • Page 120: Fusing/Paper Exit

    10 February 2005 FUSING/PAPER EXIT 3.8 FUSING/PAPER EXIT  CAUTION Turn off the main switch and wait until the fusing unit cools down before beginning any of the procedures in this section. The fusing unit can cause serious burns. 3.8.1 FUSING UNIT NOTE: 1) After removing the fusing unit, see if oil drips from the exit of the oil pipe.

  • Page 121: Oil Supply Pad

    FUSING/PAPER EXIT 10 February 2005 3.8.3 OIL SUPPLY PAD CAUTION: Empty silicone oil out of the oil supply unit into a vessel or container before beginning the following steps. 1. Oil supply unit [A] ( 3.8.2) 2. Springs [B] x 2 3.

  • Page 122: Oiling Roller And Oil Supply Roller

    10 February 2005 FUSING/PAPER EXIT 3.8.5 OILING ROLLER AND OIL SUPPLY ROLLER B156R261.WMF 1. Oil supply unit ( 3.8.2) 2. Upper cover ( 3.8.6) 3. Oil supply roller [A] (Spring x 2, Bushing x 1, one-way clutch x 1) NOTE: Make sure that the one-way clutch [D] is at the front side of the machine.

  • Page 123: Fusing Lamps

    FUSING/PAPER EXIT 10 February 2005 3.8.6 FUSING LAMPS 1. Oil supply unit ( 3.8.2) 2. Gear bracket [A] ( x 2) 3. Upper cover [B] ( x 1, shoulder screw x 1) B156R262.WMF 4. Pull out the lamp (350W) [C] ( x 2).

  • Page 124: Fusing Inner Unit

    10 February 2005 FUSING/PAPER EXIT 3.8.7 FUSING INNER UNIT 1. Lamps ( 3.8.6) 2. Drive gear [A] 3. Hot roller lamp harness terminal [B] ( x 1) 4. Fusing inner unit [C] ( x 2,  x 3) B156R265.WMF 3.8.8 PRESSURE ROLLER THERMOFUSE 1.

  • Page 125: Hot Roller Strippers

    FUSING/PAPER EXIT 10 February 2005 3.8.9 HOT ROLLER STRIPPERS 1. Oil supply unit ( 3.8.2) 2. Fusing lamps ( 3.8.6) 3. Fusing inner unit ( 3.8.7) 4. Gear [A] NOTE: Remove the gear before removing the stripper pawl assembly; otherwise, the gear may be damaged.

  • Page 126: Pressure Roller, Pressure Roller Gear, And Cleaning Roller

    10 February 2005 FUSING/PAPER EXIT 3.8.11 PRESSURE ROLLER, PRESSURE ROLLER GEAR, AND CLEANING ROLLER B156R269.WMF 1. Pressure roller unit ( 3.8.10) 2. Gear [A] 3. Spring [B] ( x 1) 4. Pressure roller stripper assembly [C] ( x 2) 5. Front bracket [D] ( x 1) 6.

  • Page 127: Pressure Roller Thermistor

    FUSING/PAPER EXIT 10 February 2005 3.8.12 PRESSURE ROLLER THERMISTOR B156R270.WMF 1. Pressure roller unit ( 3.8.10) 2. Pressure roller lower stay [A] ( x 2) 3. Pressure roller thermistor holder [B] ( x 1) 4. Pressure roller thermistor [C] 3-36...

  • Page 128: Oil Absorbers

    10 February 2005 FUSING/PAPER EXIT 3.8.13 OIL ABSORBERS B156R271.WMF B156R825.WMF 1. Fusing inner unit ( 3.8.7) 2. Absorber 1 [A] 3. Pressure roller unit ( 3.8.10) 4. Absorber holder [B] ( x 1) 5. Absorber 2 [C] 6. Spring [D] 7.

  • Page 129: Fusing Entrance And Transfer Belt Sensors

    FUSING/PAPER EXIT 10 February 2005 3.8.14 FUSING ENTRANCE AND TRANSFER BELT SENSORS B156R051.WMF 1. Right cover 2. Pull the PCU out of the machine. ( 3.6.1) 3. Fusing entrance sensor bracket [A] ( x 1) 4. Fusing entrance sensor [B] ( x 1) 5.

  • Page 130: Paper Exit/Overflow Sensors

    10 February 2005 FUSING/PAPER EXIT 3.8.15 PAPER EXIT/OVERFLOW SENSORS  CAUTION Turn off the main switch and wait until the paper exit unit cools down before beginning any of the procedures in this section. The paper exit unit can cause serious burns. 1.
  • Page 131 FUSING/PAPER EXIT 10 February 2005 6. Paper exit tray [A] ( x 2) 7. Paper exit lower cover [B] ( x 1) B156R274.WMF 8. Paper exit unit [C] ( x 3,  x 1) NOTE: Remove 2 connectors before removing the unit. To remove the last connector, remove the unit and turn it over.

  • Page 132: Paper Feed And Transport

    10 February 2005 PAPER FEED AND TRANSPORT 3.9 PAPER FEED AND TRANSPORT 3.9.1 FEED ROLLER AND FRICTION PAD 1. Paper trays [A] B156R276.WMF 2. Slide out the shaft [B] ( x 1). 3. Feed roller [C] (1 hook) 4. Friction pad [D] (2 hooks) B156R277.WMF 3-41...

  • Page 133: Registration Sensor

    PAPER FEED AND TRANSPORT 10 February 2005 3.9.2 REGISTRATION SENSOR 1. Front cover [A] (L-shaped pin x 2) 2. Remove the upper tray. 3. Rear cover, lower rear cover, and lower left cover ( 3.4.2) 4. Right cover ( 3.7.1) 5.
  • Page 134 10 February 2005 PAPER FEED AND TRANSPORT 11. Rear right cover [A] ( x 4) B156R604.WMF 12. SD card cover [B] ( x 1) 13. Move the controller box [C] on its hinge, away from the machine. ( x 6) B156R605.WMF 3-43...
  • Page 135 PAPER FEED AND TRANSPORT 10 February 2005 14. Connector bracket [A] ( x 2,  x 1) 15. Handle guard [B] ( x 2) 16. Pull out the handle [B]. 17. Loosen the two screws on the paper feed clutch bracket 3.11.6).

  • Page 136: Paper Feed Sensor 1

    10 February 2005 PAPER FEED AND TRANSPORT 3.9.3 PAPER FEED SENSOR 1 1. Transport stay ( 3.9.2) 2. Paper feed sensor 1 [A] ( x 1) NOTE: Unhook the rear two pawls first, move the feeler, and unhook the front pawl. B156R282.WMF 3.9.4 PAPER NEAR-END SENSORS 1.

  • Page 137: Paper Feed Sensor 2

    PAPER FEED AND TRANSPORT 10 February 2005 3.9.5 PAPER FEED SENSOR 2 1. Controller box ( 3.9.2). 2. Paper trays ( 3.9.1) 3. Connector bracket [A] ( x 3) 4. Vertical transport clutch [B] ( x 1) 5. Bushing [C] ( x 1) B156R612.WMF 6.

  • Page 138: Paper End Sensor 1

    10 February 2005 PAPER FEED AND TRANSPORT 3.9.6 PAPER END SENSOR 1 1. Transport stay ( 3.9.2) 2. Lower the feeler [A]. 3. Sensor bracket [B] ( x 1) 4. Paper end sensor 1 [C] ( x 1) B156R286.WMF 3.9.7 PAPER END SENSOR 2 1.

  • Page 139: Electrical Components

    ELECTRICAL COMPONENTS 10 February 2005 3.10 ELECTRICAL COMPONENTS 3.10.1 EXHAUST FAN AND I/O BOARD 1. Rear cover ( 3.4.2) 2. SD card cover [A] ( x 1) 3. Move the controller box [B] on its hinge, away from the machine ( x 6). B156R605.WMF 4.

  • Page 140: Bicu Board And Controller Board

    10 February 2005 ELECTRICAL COMPONENTS 3.10.2 BICU BOARD AND CONTROLLER BOARD 1. Rear cover ( 3.4.2) 2. Remove the screw [A], and then loosen the eight screws [B]. 3. Slide the controller box cover [C] to the right, and then remove it. B156R924.WMF 4.

  • Page 141: Hdd

    ELECTRICAL COMPONENTS 10 February 2005 3.10.3 HDD 1. Controller box cover ( 3.10.2) 2. Disconnect the connectors [A] ( x 2). 3. Move the controller box, on its hinge, away from the machine. ( 3.10.1) 4. HDD cover [B] ( x 5) B156R823.WMF 5.

  • Page 142: High Voltage Supply Board

    10 February 2005 ELECTRICAL COMPONENTS 3.10.4 HIGH VOLTAGE SUPPLY BOARD 1. Photoconductor unit ( 3.6) 2. Right inner cover ( 3.9.2) 3. Photoconductor unit rail [A] ( x 2) B156R288.WMF 4. High voltage supply board [B] ( x 18,  x 6) NOTE: When reassembling, check that the connectors are correctly set.

  • Page 143: Power Supply Unit

    ELECTRICAL COMPONENTS 10 February 2005 3.10.5 POWER SUPPLY UNIT NOTE: When you remove the oil pipe from the oil tank, hang the left oil pipe in the notch in the controller box. Then, oil does not fall from the pipe to the floor (see section 1.18: Installation –...

  • Page 144: Drive Units

    10 February 2005 DRIVE UNITS 3.11 DRIVE UNITS 3.11.1 DEVELOPMENT CLUTCHES K Development Units 1. Move the controller box, on its hinge, away from the machine ( 3.10.1). 2. Unhook the locks [A] and pull out the clutch [B] ( x 1). NOTE: When reassembling, connect the black clutch connector to the CN 334...

  • Page 145: Development Motors

    DRIVE UNITS 10 February 2005 3.11.2 DEVELOPMENT MOTORS 1. Move the controller box, on its hinge, away from the machine ( 3.10.1). 2. Development motor for black and cyan [A] ( x 1,  x 3) 3. Development motor for yellow and magenta [B] (...

  • Page 146: Pcu Gear Box

    10 February 2005 DRIVE UNITS 3.11.4 PCU GEAR BOX 1. Move the controller box on its hinge, away from the machine ( 3.10.1). 2. Main motor ( 3.11.3) 3. Y and M development unit clutches 3.11.1) 4. Harness bracket screws [A] ( x 2, ...

  • Page 147: Paper Feed Clutch 1

    DRIVE UNITS 10 February 2005 3.11.6 PAPER FEED CLUTCH 1 1. Move the controller box, on its hinge, away from the machine ( 3.10.1). 2. Pull out the handle [A]. 3. Connector bracket [B] ( x 2,  x 1) 4.

  • Page 148: Paper Feed Clutch 2

    10 February 2005 DRIVE UNITS 3.11.8 PAPER FEED CLUTCH 2 1. Move the controller box, on its hinge, away from the machine ( 3.10.1). 2. Flywheel ( 3.10.5) 3. Duct [A] with bracket [B] ( x 1,  x 1) 4.

  • Page 149: Oil Pump

    DRIVE UNITS 10 February 2005 3.11.10 OIL PUMP B156R822.WMF 1. Move the controller box, on it hinge, away from the machine ( 3.10.1) 2. Pipes [A, B] NOTE: 1) Keep a piece of waste cloth at hand. Oil may drip from the pipe. 2) When reinstalling the pump, make sure to attach the upper tube correctly to the oil exit [C].

  • Page 150: Copy Adjustment

    10 February 2005 COPY ADJUSTMENT 3.12 COPY ADJUSTMENT 3.12.1 PRINTING NOTE: 1) Make sure the paper is installed correctly in each paper tray before you start these adjustments. 2) Use the Trimming Area Pattern (SP5-955-1, No.11) to print the test pattern for the following procedures.

  • Page 151: Blank Margin

    COPY ADJUSTMENT 10 February 2005 Blank Margin NOTE: If the leading edge/side-to-side registration cannot be adjusted within the specifications, adjust the leading/back side edge trim margin. 1. Check the trailing edge and front side edge blank margins, and adjust them using the following SP modes.

  • Page 152: Scanning

    10 February 2005 COPY ADJUSTMENT 3.12.2 SCANNING Before doing the following scanner adjustments, perform or check the printing registration/side-to-side adjustment and the blank margin adjustment. NOTE: Use a C4 test chart to perform the following adjustments. Scanner Sub-Scan Magnification 1. Place the test chart on the exposure glass and make a copy from one of the feed stations.

  • Page 153: Main Scan Dot Position Correction

    COPY ADJUSTMENT 10 February 2005 Main Scan Dot Position Correction NOTE: Before adjusting the scanner, adjust the printer registration. 1. Enter the Copy SP mode and open SP4-932. 2. Check that each value corresponds to the factory-set value. 3. Touch the COPY Window key and copy the C-4 chart in the full-color photo mode.

  • Page 154: Ardf Image Adjustment

    10 February 2005 COPY ADJUSTMENT 3.12.3 ARDF IMAGE ADJUSTMENT ARDF Side-to-Side and Leading Edge Registration A: Sub-registration B: Main registration B156R295.WMF B156R294.WMF Make a temporary test chart as shown above using A3/DLT paper. 1. Place the temporary test chart on the ARDF and make a copy from one of the feed stations.

  • Page 155: Ardf Skew Adjustment

    COPY ADJUSTMENT 10 February 2005 ARDF Skew Adjustment B156R297.WMF When making a copy using the ADF and the image is skewed, do the following to fix the skewed image. NOTE: Before doing the following steps, make sure to confirm whether or not the copy images made in platen mode and test patterns are not skewed.

  • Page 156: Color Adjustment

    10 February 2005 COLOR ADJUSTMENT 3.13 COLOR ADJUSTMENT 3.13.1 AUTO COLOR CALIBRATION (ACC) The machine automatically calibrates the printer gamma curve. the ACC Test Pattern is printed by the UP mode. The machine scans the test pattern and corrects the printer gamma by comparing the ideal setting with the current image density.

  • Page 157: Printer Gamma Correction

    COLOR ADJUSTMENT 10 February 2005 3.13.2 PRINTER GAMMA CORRECTION NOTE: Normally, the ACC is enough to adjust the color balance to achieve the optimum print output. The printer gamma correction is only required for fine-tuning to meet user requirements. The printer gamma curve created during ACC can be modified using SP modes. The SP value will be applied to the gamma curve created during ACC.
  • Page 158 10 February 2005 COLOR ADJUSTMENT Adjustment Procedure 1. Copy the C-4 chart in mode that you are going to adjust. 2. Enter the SP mode. 3. Select “Copy SP”. 4. Enter SP4-918 and select the screen that you are going to adjust. 5.
  • Page 159 COLOR ADJUSTMENT 10 February 2005 - Photo Mode, Single Colour - Step Item to Adjust Level on the C-4 chart Adjustment Standard ID max: Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. Middle (Middle ID) Adjust the offset value so that the density of level 6 matches...
  • Page 160 10 February 2005 COLOR ADJUSTMENT - Text (Letter) Mode, Single Colour - Step Item to Adjust Level on the C-4 chart (K) Adjustment Standard ID max: Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. Middle (Middle ID) Adjust the offset value so that the density of level 6 matches...

  • Page 161: Printer Mode

    COLOR ADJUSTMENT 10 February 2005 Printer Mode There are five adjustable modes selected by printer SP1-102: • 1800 x 1200 photo mode • 1800 x 600 text mode • 1800 x 600 graph mode • 600 x 600 photo mode •...
  • Page 162 10 February 2005 COLOR ADJUSTMENT Adjustment Reference For Gamma Correction The following tables show the adjustment reference for gamma correction. The tables show the level of the color scale on the C4 test chart and on the tone control test sheet printed in the printer SP mode. For example, for K at text mode, grade 12 on the tone control test sheet should be the same as grade 7 on the C4 chart.

  • Page 163: Scanner White Level Adjustment

    5. Compare the value with the values in table 1 (when Hammermill Copy Plus is used) or 2 (when Ricoh Copy paper for Aficio Color is used). 6. Increase or decrease the values in SP4-885-1, 886-1, and 887-1 if necessary.
  • Page 164 10 February 2005 SCANNER WHITE LEVEL ADJUSTMENT Table 1: Hammermill Copy Plus, 20 lbs. (North America) SP4-885-001 SP4-886-001 SP4-887-001 SP4-902-2 Necessary (Reference (Reference (Reference (G_DATA1) adjustment Adjustment: R) Adjustment: G) Adjustment: B) Increase the values in SP4- 885-1, 886-1, and 887-1. No adjustment is ±0 ±0...
  • Page 165 SCANNER WHITE LEVEL ADJUSTMENT 10 February 2005 Table 2: Ricoh Copy paper for Aficio Color, 100 g (Europe) SP4-885-001 SP4-886-001 SP4-887-001 SP4-902-2 (Reference (Reference (Reference Remarks (G_DATA1) Adjustment: R) Adjustment: G) Adjustment: B) Increase the values in SP4- 885-1, 886-1, and 887-1.

  • Page 166: Touch Screen Calibration

    10 February 2005 TOUCH SCREEN CALIBRATION 3.15 TOUCH SCREEN CALIBRATION After clearing the memory, or if the touch screen detection function is not working correctly, follow this procedure to calibrate the touch screen. NOTE: Do not attempt to use items [2] to [9] on the Self-Diagnostic Menu. These items are for design use only.

  • Page 167: Checking The Breaker Switch

    CHECKING THE BREAKER SWITCH 10 February 2005 3.16 CHECKING THE BREAKER SWITCH 3.16.1 BREAKER  CAUTION Before you test the breaker, always make sure that the main power switch is off. Do not try to test the breaker switch with the copier power turned on. 1.

  • Page 168: Troubleshooting

    10 February 2005 SERVICE CALL 4. TROUBLESHOOTING 4.1 SERVICE CALL 4.1.1 SERVICE CALL CONDITIONS Level Definition Reset Procedure Fusing unit SCs displayed on the operation Turn the main power switch off panel. The machine is disabled. The user then on before entering SP mode. cannot reset the SC.

  • Page 169: Sc Table

    SERVICE CALL 10 February 2005 4.1.2 SC TABLE Symptom Possible Cause Definition Exposure lamp error The standard white level is not • Exposure lamp defective properly detected when scanning the • Lamp stabilizer defective shading plate. (The shading data • Exposure lamp connector defective peak does not reach the specified •...
  • Page 170 10 February 2005 SERVICE CALL Symptom Possible Cause Definition IPU error • IPU board defective The self-diagnostic error for the IPU occurs immediately after the main • BICU board defective (defective power is turned on. connection between ASICs) Serial number mismatch •...
  • Page 171 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition LD error An LD error continues for 0.5 • Defective LD unit seconds. (After an LD error is detected, an LD error release is written to the GAVD chip during monitoring.) Image transfer belt mark detection error •...
  • Page 172 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Development motor 1 error • Development motor 1 changes its • Defective development motor (Y & M) • Too much load on the development unit speed from half to normal. 1) Motor 1 does not detect a 0.3- (Y &...
  • Page 173 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition 2nd transfer (paper transfer) disconnection (+) • Right cover not closed The returning voltage N from the paper transfer unit is detected for 180 • Defective transfer roller contact mechanism N ≤ 1/2 output value •...
  • Page 174 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Transfer belt mark detection error • The main motor is operating or • Defective main motor • Image transfer belt out of position changes its speed. → The lock signal is detected. → The belt mark •...
  • Page 175 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition Fusing fan motor error • The main power is turned on. → • Defective fusing fan • Disconnected or broken harness of the The fusing fan lock signal is detected for 2 seconds. fusing fan •...
  • Page 176 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Warm-up time over (pressure roller) • Defective lamp (loose connection, The main switch is turned on or a cover is closed. → The fusing thermostat failure, PSU, thermostat) • Incorrect detection (thermistor loose pressure roller does not reach the ready temperature within 200 connection, fusing - drawer loose...
  • Page 177 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition ADF communication error The ADF has been detected. → A • Loose connection • Defective ADF communication error has occurred. • Defective BICU board • Defective scanner I/O board • External noise CSS communication error •...
  • Page 178 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Controller-to-operation panel communication error at startup • Controller stalled After powering on the machine, communication between the controller • Controller board installed incorrectly and operation panel does not begin, • Defective controller board or the communication is interrupted •...
  • Page 179 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition Finisher tray lift motor error (1000-sheet finisher)/ Finisher output tray motor error (500-sheet finisher) • The tray lift motor jam is detected • Tray lift motor or output tray motor consecutively twice after the tray lift defective •...
  • Page 180 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Finisher shift motor error (1000-sheet finisher) • Shift motor defective The shift motor jam is detected consecutively twice after the shift • Shift HP sensor defective motor turned on. • Defective finisher control board •...
  • Page 181 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition Startup without video output end error (Y) • Defective controller board Video transfer to the engine is started, but a video transmission end command is not issued by the engine within the specified time. Startup without video output end error (M) •...
  • Page 182 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Kernel abnormal end error • HDD error A HDD error or a software error has occurred, terminating the SCS • Software application error process, gwinit process, and finally • RAM shortage the kernel program.
  • Page 183 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition Self-diagnostic Error: Optional Font ROM The optional font ROM returned an • Font ROM defective error during the self-diagnostic test. Verification error • Defective controller board The verification data of the clock generator is read via the communication bus.
  • Page 184 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Bad sector count at the maximum The hard disk has 100 bad sectors in • Data corruption the image storage area. → More data • Defective hard disk is read from the hard disk. → SC863 occurs.
  • Page 185 SERVICE CALL 10 February 2005 Symptom Possible Cause Definition Mechanical total counter error 1 • Defective connection Mechanical counter 1 is not initialized, or not detected. • Defective counter Mechanical total counter error 2 • Defective connection Mechanical counter 2 is not initialized, or not detected.
  • Page 186 10 February 2005 SERVICE CALL Symptom Possible Cause Definition Application function selection error • Software for that application is defective The application selected by a key press on the operation panel does not • An option required by the application start or ends abnormally.

  • Page 187: Self-Diagnostic Mode

    SELF-DIAGNOSTIC MODE 10 February 2005 4.2 SELF-DIAGNOSTIC MODE 4.2.1 OVERVIEW There are three types of self-diagnostics for the controller. Power-on self-diagnostics: The machine automatically starts the self-diagnostics • just after the power has been turned on. Detailed self-diagnostics: The machine does the detailed self-diagnostics by •...

  • Page 188: Detailed Self-Diagnostics

    10 February 2005 SELF-DIAGNOSTIC MODE 4.2.2 DETAILED SELF-DIAGNOSTICS This detailed self-diagnostic test requires a loop-back connector (P/N: G0219350). 1. Turn off the machine and attach the loop-back connector to the parallel interface.   2. Hold down , press and hold down , and then while pressing both keys at the same time, switch on the machine.

  • Page 189: Image Test Mode

    IMAGE TEST MODE 10 February 2005 4.3 IMAGE TEST MODE 4.3.1 OVERVIEW The SBU, BICU, and LD board have the function that prints out their test pattern. It is useful to find the defective board when the image data problem is occurred. 4.3.2 VPU TEST The SBU has the VPU test pattern.

  • Page 190: Electrical Component Defects

    10 February 2005 ELECTRICAL COMPONENT DEFECTS 4.4 ELECTRICAL COMPONENT DEFECTS 4.4.1 SENSORS Component Condition Symptom (Symbol) Fusing exit A paper jam is detected when paper is fed; and sensor Open the paper jam is cleared when the paper is removed (I/O board) Shorted A paper jam is detected when paper is not fed.
  • Page 191 ELECTRICAL COMPONENT DEFECTS 10 February 2005 Component Condition Symptom (Symbol) Paper feed A paper jam is detected when paper is fed; and sensor 2 Open the paper jam is not cleared when the paper is removed. A paper jam is detected when paper is fed; and (I/O board) the paper jam is not cleared when the paper is Shorted...

  • Page 192: Switches

    10 February 2005 ELECTRICAL COMPONENT DEFECTS 4.4.2 SWITCHES Component Condition Symptom (Symbol) Exit cover Open The user is prompted to close the exit cover. switch (I/O board) Shorted No symptom is seen. Front cover Open The user is prompted to close the front cover. switch (I/O board) Shorted...

  • Page 193: Check Points For Image Problems At Regular Intervals

    CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR INTERVALS 10 February 2005 4.5 CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR INTERVALS Image problems may appear at regular intervals that depend on the circumference of certain components. The following diagram shows the possible symptoms (black or white dots at regular intervals).

  • Page 194: Trapezoid Images

    10 February 2005 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 4.6 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 4.6.1 SKEWED IMAGES The image’s leading and trailing edges are parallel to one another. • The image’s left and right edges are also parallel. • However, all four sides are slanted with respect to the paper’s edge. •...

  • Page 195: Parallelogram Images

    SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 10 February 2005 4.6.3 PARALLELOGRAM IMAGES Like skewed images, the leading/trailing edges and left/right edges are parallel to • each other, however here, the leading and trailing edges are both slanted with respect to the paper’s edge. Feed direction Parallel Parallel...

  • Page 196: Checking The Image With The Trimming Pattern

    10 February 2005 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 4.6.4 CHECKING THE IMAGE WITH THE TRIMMING PATTERN Print out 5, A3 Trimming Patterns from SP5-955 (value: 11) Skewed Parallelogram See Action 1 (Skewed See Action 2 Images) (Parallelogram Image Adjustment) 4-29...

  • Page 197: Correcting The Images

    SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 10 February 2005 4.6.5 CORRECTING THE IMAGES Flow Chart Please use the following flowchart to correct skewed, parallelogram, and trapezoid images. Image is skewed, trapezoid, parallelogram or combination skewed/trapezoid. Print out SP5-955-11 trimming pattern Print out sample using Do the above occur? exposure glass.

  • Page 198: Action

    10 February 2005 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES Action Action 1 (skewed image of trimming pattern) Image skew when feeding from mainframe Trays 1 and 2 because the operator does not set the side fence flush against the paper stack. 1.

  • Page 199: Adjusting For Image Skew

    SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 10 February 2005 Action 2 (parallelogram image of trimming pattern) Adjust the position of the laser unit as described in section 3.4.2 of the Service Manual. Adjusting for Image Skew 1. Positioning pin [A] ( x 1) 2.
  • Page 200 10 February 2005 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES Action 3 (parallelogram image in platen mode) Parallelogram slants to the right Raise the left side of the scanner unit. Parallelogram slants to the left Lower the left side of the scanner unit. 1.
  • Page 201 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 10 February 2005 Action 4 (original skew) Perform the following checks: 1. Make sure the ADF side fences are in the proper position for the size of the original. 2. Check to see if the surfaces of the pick-up roller, separation roller, feed belt, transport rollers and exit rollers are dirtied, and clean if necessary.
  • Page 202 10 February 2005 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES Action 5-1 Adjusting the original skew with equal front/rear pulling loads B156T011.WMF 1. Peel off the black tape on the right hinge of the ADF. 2. Loosen the screw that secures the left hinge. 3.
  • Page 203 SKEWED, TRAPEZOID, AND PARALELLOGRAM IMAGES 10 February 2005 Action 5-2 Adjusting the original skew when the rear pulling load is larger Raise the left side of the ADF by adding washers as shown below. [B, C] M03070202.WMF M03070201.WMF 1. Remove the ADF unit from the copier. 2.

  • Page 204: Service Tables

    10 February, 2005 SERVICE PROGRAM MODE 5. SERVICE TABLES 5.1 SERVICE PROGRAM MODE  CAUTION Do not turn off the main power switch while the power LED ( ) lights or flashes. Doing so may severely damage the hard disk or the memory of the copier.

  • Page 205: Sp Mode Touch Screen

    SERVICE PROGRAM MODE 10 February, 2005 SP Mode Touch Screen For details on the SP modes, see section 5.1.2. B156S001.WMF Expands all SP mode menus. Collapses all SP mode menus. Opens the copy window ( Copy Window for Test Printing). Enables numeric keypad inputs for specifying a SP mode menu.

  • Page 206: Working On Sp Mode Menus

    10 February, 2005 SERVICE PROGRAM MODE Copy Window for Test Printing 1) Touch the “Copy Window” button ( SP Mode Touch Screen). The copy window is displayed. 2) Adjust the settings if necessary, and press the  (start) key to make the test print.

  • Page 207: Service Mode Lock/Unlock

    SERVICE PROGRAM MODE 10 February, 2005 Service Mode Lock/Unlock At locations where the machine contains sensitive data, the customer engineer cannot operate the machine until the Administrator turns the service mode lock off. This function makes sure that work on the machine is always done with the permission of the Administrator.

  • Page 208: Sp Mode Table

    10 February, 2005 SERVICE PROGRAM MODE 5.1.2 SP MODE TABLE In the “Function/[Setting]” column: • The related pop-up screen name and function name (if any) appear in parenthesis following the function description. • Comments are in italics. • The setting range is enclosed in brackets, with the default setting written in bold.
  • Page 209 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 003* Paper Buckle Tray: Plain Adjusts the amount of paper buckle at the registration roller by changing the paper feed timing. [–4 ~ 6 / 0 / 1 mm/step] Tray: Thick [–4 ~ 6 / –2 / 1 mm/step] Tray: OHP...
  • Page 210 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 105* Heating: OHP/Full Sets the heating roller temperature for the OHP sheets Color in full-color mode. [120 ~ 190 / 175 / 1°C/step] Heating: Duplex/1 Sets the heating roller temperature for duplex printing Color...
  • Page 211 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Fusing Roller 0: New 1: Old Selects the pressure roller type. [0 ~ 1 / 0 / 1 /step] DFU • 0: New pressure roller •...

  • Page 212: Sp2-Xxx: (Drum)

    10 February, 2005 SERVICE PROGRAM MODE SP2-XXX: (Drum) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 001* Charge Bias Adjusts the charge corona unit grid voltage. [300 ~ 800 / 500 / 1 Volt/step] Only effective if process control is disabled. No Image Area Charger Current Adjusts the charge corona unit current.
  • Page 213 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 400* Jam Recovery [0 ~ 2000 / 1600 / 10 Volt/step] Toner Revital [0 ~ 2000 / 1400 / 10 Volt/step] 401* Cleaning Bias LL2 1 Color Adjusts the transfer belt cleaning voltage when absolute...
  • Page 214 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 404* No Image Area [0 ~ 2000 / 1400 / 10 Volt/step] Jam Recovery [0 ~ 2000 / 1600 / 10 Volt/step] Toner Revital [0 ~ 2000 / 1400 / 10 Volt/step] 501*...
  • Page 215 SERVICE PROGRAM MODE 10 February 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Charger Cleaning Off Time Charger Cleaning Off [10 ~ 200 / 10 / 10 sec /step] Time Sets the time for charging the corona wire after charger cleaning to prevent uneven image density.
  • Page 216 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Coverage Ratio Reference DFU [0~ 100 / 1.7 / 0.1%/step] [0~ 100 / 1.7 / 0.1%/step] Disable Time (ITB Cleaning) DFU [0 ~ 14 / 3 / 1 sec/step] OPC Reverse Interval [0 ~ 100 / 10 / 1 /step] The main motor turns the OPC belt in reverse for 500ms...
  • Page 217 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Sheets–1 [6 ~ 80 / 30 / 1 sheet/step] Sheets–2 [6 ~ 80 / 60 / 1 sheet/step] Time Specifies the time for OPC lubrication. [8 ~ 30 / 14 / 1 sec/step] Start Registration Adjustment 1 K (32/24cpm)
  • Page 218 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Color Misalignment Correction Color Misalignment Selects either color misalignment correction or reduction Correction in density difference between the left and right sides of pages.
  • Page 219 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Bk: Recovery Select Selects the toner end recovery mode for black. [0 ~ 2 / 0 / 1 /step] 0: Quick Mode 1: Long Mode (quiet) 2: Medium Mode Oil Removal Mode...
  • Page 220 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Toner Revitalization Job_Interruption Specifies the number of prints for executing toner revitalization in the middle of a job. [0 ~ 200 / 100 / 10 /step] 0: Disables job interruption.

  • Page 221: Sp3-Xxx: (Process)

    SERVICE PROGRAM MODE 10 February 2005 SP3-XXX: (Process) Mode No. Function / [ Setting ] (Class 1, 2, and 3) Forced Process Control Does a forced process control, and displays the result as Execute one of the following codes. Display Displays the completion code.
  • Page 222 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 004* Environment Change Temperature Sets the temperature/humidity change that triggers process control (process control is done if temperature or humidity has changed by this amount since the previous process control).
  • Page 223 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Image Area Rate Specifies the minimum image area (expressed as a percentage of an A4 page) required to maintain optimum development unit condition ( Toner Revitalization: SP3–971).
  • Page 224 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) After CH Cleaning Turns on/off process control for the process control that ON/OFF Selection is done after charge corona wire cleaning. (0: OFF/ 1: ON) [0 ~ 1 / 0 / 1 /step] •...

  • Page 225: Sp4-Xxx: (Scanner)

    SERVICE PROGRAM MODE 10 February, 2005 SP4-XXX: (Scanner) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 008* Scanner Sub Scan Magnification Scanner Sub Scan Adjusts the magnification in the sub scan direction for Magnification scanning. [–1.0 ~ 1.0 / 0.0 / 0.1 %/step] Use the ...
  • Page 226 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) DF Glass Dust Check Dust Check Turns DF glass dust detection on/off. [0 ~ 1 / 0 / 1 /step] • 0: OFF •...
  • Page 227 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) IPU Test Pattern Select select any test pattern Prints test patterns from the IPU video data outputs. • 0: Scanning Image • 1: Checker •...
  • Page 228 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) B: G Adjust the vector correction of the filter in the CCD on the SBU unit. B: B [0 ∼ 255/ 0 / 1 /step] M: Option When replacing the SBU, input the data from the data M: R...
  • Page 229 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Scanner Application Text /Photo MTF Adjusts the MTF level. [0 ~ 15 / 8 / 1 /step] 0: Least effective MTF, 15: Most effective MTF Text /Photo Smoothing Adjusts the smoothing level.
  • Page 230 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Color (T/P) Brightness Adjusts the brightness level. [1 ~ 255 / 128 / 1 /step] 1: Least bright, 255: Brightest Color (T/P) Contrast Adjusts the contrast level.
  • Page 231 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Scanner Application ACS MTF Adjusts the MTF level. [0 ~ 15 / 8 / 1 /step] 0: Least effective MTF, 15: Most effective MTF ACS Smoothing Adjusts the smoothing level.
  • Page 232 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Adjusts the blue density when scanning with the ARDF [–20 ∼ 20 / 0 / 1 %/step] Level Adjustment: R Adjusts the ADC reference voltage. Details are in Replacement and Adjustment.

  • Page 233: Sp5-Xxx: (Mode)

    SERVICE PROGRAM MODE 10 February, 2005 SP5-XXX: (Mode) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 024* mm/inch Display Selection mm/inch Display Selects a unit system. Selection North America: [0 ∼ 1 / 1 / 1 /step] Europe: [0 ∼...
  • Page 234 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Disable copying Disable copying [0 ~ 1 / 0 / 1 /step] 0: Copying enabled 1: Copying disabled Mode Clear Opt. Counter Removal Mode Clear Opt.
  • Page 235 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Paper Size Type Paper Size Type Selects the original size type. [0 ~ 2 / Depending on DIP switch setting / 1 /step] •...
  • Page 236 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Setting Time Time Difference Sets the time difference. North America: [–1440 ∼ 1440 / –300 / 1 minute/step] Europe: [–1440 ∼ 1440 / 60 / 1 minute/step] Values indicate the time difference from the Greenwich Mean Time (GMT).
  • Page 237 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 401* Access Control When installing the SDK application, SAS (VAS) adjusts the following settings. DFU SDK1 Unique ID This ID is overwritten by SAS (VAS) when you install or uninstall the SDK application.
  • Page 238 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Paper Supply Alarm Turns the supply alarm on or off. [0 ∼ 1 / 0 / 1 /step] • 0: Off • 1: On This alarm occurs when one of the limits in SPs 5507- 128 to 172 is reached.
  • Page 239 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Low Call Mode Selects the alarm mode. [0 ∼ 1 / 1 / 1 /step] • 0: Normal Mode (CC Auto Call) •...
  • Page 240 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 2nd. Single Color Adj. B–C [0 ∼ 100 / 90 / 1 %/step] B–M [0 ∼ 100 / 60 / 1 %/step] G–C [0 ∼...
  • Page 241 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Remote Service I/F Setting Selects the remote service setting. [0 ~ 2 / 2 / 1 /step] • 0: Remote service off •...
  • Page 242 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) NV-RAM Data Download NV-RAM Data Imports data from an SD card to the NVRAM. Download When data has been normally imported into the NVRAM, a message appears on the operation panel.
  • Page 243 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Turns on/ off the web. (0: OFF 1: ON) [0 ~ 1 / 1 / 1 /step] • 0: OFF • 1: ON Enter the SP number for the partition to initialise, then press .
  • Page 244 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Panel Setting Displays or does not display the capture function buttons. [0 ∼ 1 / 0 / 1 /step] • 0: Displayed •...
  • Page 245 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Reduction for Printer Selects the reduction rate of the document resolution B&W HQ when transmitting the stored document data with the print B&W HQ mode to the document management server.
  • Page 246 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Format for Printer This SP shows the format when capturing the image Color with print color mode. This SP cannot be adjusted. •...
  • Page 247 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Login MAX Specifies the maximum initiators able to log on. [0 ∼ 63 / 8 / 1 /step] IEEE 802.11b Channel MAX Specifies the maximum number of IEEE 802.11b channels.
  • Page 248 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Device Release Specifies the device release number with BCD (Binary Number Coded Decimal). [0 ~ 9999 / 100 / 1 /step] Delivery Server Setting FTP Port No.
  • Page 249 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Maximum Entries Specifies the maximum entry counts. [2000 ~ 20000 / 2000 / 1 /step] Delivery Server Retry Specifies the retry interval. The retry is executed when Timer the machine fails to get an address book from the distribution server.
  • Page 250 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Bit SW Not Used: These bit switches are not used at this time. Net File Resolution Reduction Rate for Copy Color Selects the net file resolution reduction (copy, color) [0 ~ 5 / 2 / 1 /step] •...
  • Page 251 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Rate for Printer B&W Selects the net file resolution reduction (printer, black & white [0 ~ 6 / 0 / 1 /step] •...
  • Page 252 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Access Ctrl: Delivery Switches access control on and off. (Lower 4bits) 0000: No access control Access Ctrl: 0001: Denies access to DeskTop Binder. uAdministration (Lower 4bits) Security Setting...
  • Page 253 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Target (2: HDD 3: SD) Selects the storage device when the conditions set with SP5-858 are satisfied. [2 ~ 3 / 2 / 1 /step] •...
  • Page 254 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Controller SC Error Turns on/off the debug log save to the device set with (0: OFF 1:ON) SP5857-2 when a controller SC error occurs. [0 ~ 1 / 0 / 1 /step] •...
  • Page 255 Plug & Play Maker/ Model Name Plug & Play Maker/ [0 ~ 11 / 0 / - ] Model Name Select the required setting from the menu. Model Name NetBeui RICOH Aficio 3224C Aficio3224C RICOH Aficio 3232C Aficio3232C SAVIN C2410...
  • Page 256 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Unit PM Alert Unit PM Alert Display or does not display the unit PM alert for PCU and development units when the PM counters for the PCU and development units reach the PM cycle.
  • Page 257 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 990* SP Print Mode All (Data List) [0 ~ 0xff / 0x00 / 0 /step] Prints SP setting data. SP (Mode Data List) [0 ~ 255 / 0 / 0 /step] User Program •...

  • Page 258: Sp6-Xxx: (Peripherals)

    10 February, 2005 SERVICE PROGRAM MODE SP6-XXX: (Peripherals) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 006* ADF Adjustment S-to-S Registration Adjusts the side-to-side registration of the optional ADF. [–5.0 ∼ 5.0 / 0 / 0.1 mm/step] First adjust the copier registration.
  • Page 259 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) ADF Free Run ADF Free Run Executes an ADF free run. [0 ∼ 1 / 0 / 1 /step] • 0: End •...
  • Page 260 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Lower Transfer Motor Switches on each electrical component of the finisher. Exit Motor See section 5.1.5 Tray Gate Sol Tray Lift Motor Jogger Motor Stapler Motor Staple Hummer...

  • Page 261: Sp7-Xxx: (Data Log)

    SERVICE PROGRAM MODE 10 February, 2005 SP7-XXX: (Data Log) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 001* Operation Time Operation Time Displays the main motor operation time. [0000000 ∼ 9999999 / 0 / 1 minute/step] Logging this operation time helps identify the cause of a difficulty by analyzing the correlation between the printing count and the OPC-belt operation time.
  • Page 262 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 504* main013 (Registration Displays the number of jams according to the location from Duplex) where they were detected. main014 (Duplex Exit) [0 ~ 9999 / 0 / 0 /step] main015 (Interchange Exit: ON) main016...
  • Page 263 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 504* main103 (Finisher Displays the number of jams according to the location Staple) where they were detected. [0 ~ 9999 / 0 / 0 /step] main104 (Finisher Stack Feed-out) main105 (Finisher...
  • Page 264 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 507* Plotter Jam History Latest Displays the latest 10 paper jams. Latest 1 The information contains the following four lines: Latest 2 •...
  • Page 265 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) PM Counter Reset Paper Clears the PM counters. [0 ~ 1 / 0 / 1 /step] • For displaying the counter, see SP7-803. Development: M •...
  • Page 266 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Coverage Last: M Displays coverage ratios. [0.00 ~ 100.0 / 0.00 / 0.01 %step] Last: C This SP mode displays the “coverage ratio” of the Last: Y output, i.e.
  • Page 267 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Waste Tnr Full Cln (Waste Toner Full Clear) Clears the waste toner bottle full counters. Belt 906* PM Counter-PREV Displays the previous PM counters. [0 ~ 9999999 / 0 / 0 /step] Development: M Development: C...
  • Page 268 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Proc Cont Cnter (Process Control Counter) Proc Cont Cnter Displays the process control counter. [0 ~ 9999999 / 0 / 1 sheet/step] Proc Cont Reset (Process Control Reset) Proc Cont Reset Resets the process control counter.
  • Page 269 SERVICE PROGRAM MODE 10 February, 2005 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Time Cnter Disp (Time Counter Display) Time Cnter Disp Displays the current counter of the charge corona unit cleaning interval. (Number of counts since the last cleaning) SP2-801 specifies the charge corona unit cleaning interval.
  • Page 270 10 February, 2005 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) S: Coverage 0-100 Clears the number of scanned sheets for each coverage range. This SP clears the following SPs: • SP8-851-001 004 (0 ~ 10%) ∼...

  • Page 271: Sp8-Xxx: Data Log2

    SERVICE PROGRAM MODE 10 February, 2005 SP8-xxx: Data Log2 Many of these counters are provided for features that are currently not available, such as sending color faxes, and so on. However, here are some Group 8 codes that when used in combination with others, can provide useful information. SP Numbers What They Do SP8 211~SP8 216...
  • Page 272 10 February, 2005 SERVICE PROGRAM MODE The Group 8 SP codes are limited to 17 characters, forced by the necessity of displaying them on the small LCDs of printers and faxes that also use these SPs. Read over the list of abbreviations below and refer to it again if you see the name of an SP that you do not understand.
  • Page 273 SERVICE PROGRAM MODE 10 February, 2005 Abbreviation What it means Pages. A page is the total scanned surface of the original. Duplex pages count as two pages, and A3 simplex count as two pages if the A3/DLT counter SP is switched ON. PJob Print Jobs Paper...
  • Page 274 10 February, 2005 SERVICE PROGRAM MODE Function / [ Setting ] Mode No.(Class 1, 2, and 3) T:Total Jobs *CTL These SPs count the number of times each application is used to do a job. C:Total Jobs *CTL [0 ~ 9999999/ 0 / 1] F:Total Jobs *CTL NOTE: The L: counter is the total number of...
  • Page 275 SERVICE PROGRAM MODE 10 February, 2005 T:Jobs/LS *CTL These SPs count the number of jobs stored to the document server by each application, to C:Jobs/LS *CTL reveal how local storage is being used for input. F:Jobs/LS *CTL [0~9999999/ 0 / 1] P:Jobs/LS *CTL The L: counter counts the number of jobs...
  • Page 276 10 February, 2005 SERVICE PROGRAM MODE 8 031 T:Pjob/DesApl *CTL These SPs reveal what applications were used to output documents from the document server. 8 032 C:Pjob/DesApl *CTL [0~9999999/ 0 / 1] 8 033 F:Pjob/DesApl *CTL The L: counter counts the number of jobs 8 034 P:Pjob/DesApl *CTL...
  • Page 277 SERVICE PROGRAM MODE 10 February, 2005 8 061 T:FIN Jobs *CTL [0~9999999/ 0 / 1] These SPs total the finishing methods. The finishing method is specified by the application. 8 062 C:FIN Jobs *CTL [0~9999999/ 0 / 1] These SPs total finishing methods for copy jobs only. The finishing method is specified by the application.
  • Page 278 10 February, 2005 SERVICE PROGRAM MODE 8 071 T:Jobs/PGS *CTL [0~9999999/ 0 / 1] These SPs count the number of jobs broken down by the number of pages in the job, regardless of which application was used. 8 072 C:Jobs/PGS *CTL [0~9999999/ 0 / 1] These SPs count and calculate the number of copy jobs by size based on...
  • Page 279 SERVICE PROGRAM MODE 10 February, 2005 8 111 T:FAX TX Jobs *CTL [0~9999999/ 0 / 1] These SPs count the total number of jobs (color or black-and-white) sent by fax, either directly or using a file stored on the document server, on a telephone line.
  • Page 280 10 February, 2005 SERVICE PROGRAM MODE 8 131 T:S-to-Email Jobs *CTL [0~9999999/ 0 / 1] These SPs count the total number of jobs (color or black-and-white) scanned and attached to an e-mail, regardless of whether the document server was used or not. 8 135 S:S-to-Email Jobs *CTL...
  • Page 281 SERVICE PROGRAM MODE 10 February, 2005 8 151 T:Deliv Jobs/PC *CTL [0~9999999/ 0 / 1] These SPs count the total number of jobs (color or black-and-white) scanned and sent to a folder on a PC (Scan-to-PC). NOTE: At the present time, SP8 -151 and 8-155 perform identical counts. 8 155 S:Deliv Jobs/PC *CTL...
  • Page 282 10 February, 2005 SERVICE PROGRAM MODE Examples • If 3 B5 pages and 1 A3 page are scanned with the scanner application but not stored, the S: count is 4. • If both sides of 3 A4 sheets are copied and stored to the document server using the Store File button in the Copy mode window, the C: count is 6 and the L: count is 6.
  • Page 283 SERVICE PROGRAM MODE 10 February, 2005 8 221 ADF Org Feeds *CTL [0~9999999/ 0 / 1] These SPs count the number of pages fed through the ADF for front and back side scanning. 8 221 1 Front Number of front sides fed for scanning: With an ADF that can scan both sides simultaneously, the Front side count is the same as the number of pages fed for either simplex or duplex scanning.
  • Page 284 10 February, 2005 SERVICE PROGRAM MODE 8 241 T:Scan PGS/Org *CTL [0~9999999/ 0 / 1] These SPs count the total number of scanned pages by original type for all jobs, regardless of which application was used. 8 242 C:Scan PGS/Org *CTL [0~9999999/ 0 / 1] These SPs count the number of pages scanned by original type for Copy...
  • Page 285 SERVICE PROGRAM MODE 10 February, 2005 8 251 T:Scan PGS/ImgEdt *CTL These SPs show how many times Image Edit features have been selected at the operation 8 252 C:Scan PGS/ImgEdt *CTL panel for each application. Some examples of 8 254 P:Scan PGS/ImgEdt *CTL these editing features are:...
  • Page 286 10 February, 2005 SERVICE PROGRAM MODE 8 301 T:Scan PGS/Size *CTL [0~9999999/ 0 / 1] These SPs count by size the total number of pages scanned by all applications. Use these totals to compare original page size (scanning) and output (printing) page size [SP8-441]. 8 302 C:Scan PGS/Size *CTL...
  • Page 287 SERVICE PROGRAM MODE 10 February, 2005 8 311 T:Scan PGS/Rez *CTL [0~9999999/ 0 / 1] These SPs count by resolution setting the total number of pages scanned by applications that can specify resolution settings. 8 315 S:Scan PGS/Rez *CTL [0~9999999/ 0 / 1] These SPs count by resolution setting the total number of pages scanned by applications that can specify resolution settings.
  • Page 288 10 February, 2005 SERVICE PROGRAM MODE 8 381 T:Total PrtPGS *CTL These SPs count the number of pages printed by the customer. The counter for the application 8 382 C:Total PrtPGS *CTL used for storing the pages increments. 8 383 F:Total PrtPGS *CTL [0~9999999/ 0 / 1]...
  • Page 289 SERVICE PROGRAM MODE 10 February, 2005 8 411 Prints/Duplex *CTL This SP counts the amount of paper (front/back counted as 1 page) used for duplex printing. Last pages printed only on one side are not counted. [0~9999999/ 0 / 1] 8 421 T:PrtPGS/Dup Comb *CTL...
  • Page 290 10 February, 2005 SERVICE PROGRAM MODE Booklet Magazine Original Original Count Count Pages Pages 8 431 T:PrtPGS/ImgEdt *CTL [0~9999999/ 0 / 1] These SPs count the total number of pages output with the three features below, regardless of which application was used. 8 432 C:PrtPGS/ImgEdt *CTL...
  • Page 291 SERVICE PROGRAM MODE 10 February, 2005 8 441 T:PrtPGS/Ppr Size *CTL [0~9999999/ 0 / 1] These SPs count by print paper size the number of pages printed by all applications. 8 442 C:PrtPGS/Ppr Size *CTL [0~9999999/ 0 / 1] These SPs count by print paper size the number of pages printed by the copy application.
  • Page 292 10 February, 2005 SERVICE PROGRAM MODE 8 451 PrtPGS/Ppr Tray *CTL [0~9999999/ 0 / 1] These SPs count the number of sheets fed from each paper feed station. 8 451 1 Bypass Bypass Tray 8 451 2 Tray 1 Copier 8 451 3 Tray 2 Copier 8 451 4 Tray 3...
  • Page 293 SERVICE PROGRAM MODE 10 February, 2005 8 471 PrtPGS/Mag *CTL [0~9999999/ 0 / 1] These SPs count by magnification rate the number of pages printed. 8 471 1 ~49% 8 471 2 50%~99% 8 471 3 100% 8 471 4 101%~200% 8 471 5 201% ~ •...
  • Page 294 10 February, 2005 SERVICE PROGRAM MODE 8 511 T:PrtPGS/Emul *CTL [0~9999999/ 0 / 1] These SPs count by printer emulation mode the total number of pages printed. 8 514 P:PrtPGS/Emul *CTL [0~9999999/ 0 / 1] These SPs count by printer emulation mode the total number of pages printed.
  • Page 295 SERVICE PROGRAM MODE 10 February, 2005 8 521 T:PrtPGS/FIN *CTL [0~9999999/ 0 / 1] These SPs count by finishing mode the total number of pages printed by all applications. 8 522 C:PrtPGS/FIN *CTL [0~9999999/ 0 / 1] These SPs count by finishing mode the total number of pages printed by the Copy application.
  • Page 296 10 February, 2005 SERVICE PROGRAM MODE 8 581 T:Counter *CTL [0~9999999/ 0 / 1] These SPs count the total output broken down by color output, regardless of the application used. In addition to being displayed in the SMC Report, these counters are also displayed in the User Tools display on the copy machine.
  • Page 297 SERVICE PROGRAM MODE 10 February, 2005 8 586 L:Counter *CTL [0~9999999/ 0 / 1] These SPs count the total output of the local storage broken down by color output. 8 582 1 B/W 8 582 2 Single Color 8 582 3 Two Color 8 582 4 Full Color 8 591 O:Counter...
  • Page 298 10 February, 2005 SERVICE PROGRAM MODE 8 641 T:IFAX TX PGS *CTL [0~9999999/ 0 / 1] These SPs count by color mode the number of pages sent by fax to as fax images using I-Fax. 8 643 F:IFAX TX PGS *CTL [0~9999999/ 0 / 1] These SPs count by color mode the number of pages sent by Fax as fax...
  • Page 299 SERVICE PROGRAM MODE 10 February, 2005 8 661 T:Deliv PGS/Svr *CTL [0~9999999/ 0 / 1] These SPs count by color mode the total number of pages sent to a Scan Router server by both Scan and LS applications. 8 665 S:Deliv PGS/Svr *CTL [0~9999999/ 0 / 1]...
  • Page 300 10 February, 2005 SERVICE PROGRAM MODE 8 681 T:PCFAX TXPGS *CTL These SPs count the number of pages sent by PC Fax. These SPs are provided for the Fax 8 683 F:PCFAX TXPGS *CTL application only, so the counts for SP8 681 and SP8 683 are the same.
  • Page 301 SERVICE PROGRAM MODE 10 February, 2005 8 715 S: Scan PGS/Comp *CTL [0~9999999/ 0 / 1] These SPs count the number of pages for the scanner compressed by each compression method. 8 715 1 JPEG/ JPEG2000 8 715 2 TIFF (Multi/ Single) 8 715 3 PDF 8 715 4 Other 8 741...
  • Page 302 10 February, 2005 SERVICE PROGRAM MODE 8 801 Toner Remain *CTL [0~100/ 0 / 1] These SPs display the percent of toner remaining for each color. This SP allows the user to check the toner supply at any time. NOTE: This precise method of measuring remaining toner supply (1% steps) is better than other machines in the market that can only measure in increments of 10 (10% steps).
  • Page 303 SERVICE PROGRAM MODE 10 February, 2005 8 871 4 S: C 8 881 Coverage: 31%- *BCU [0~9999999/ 0 / 1] These SPs display the number of scanned sheets on which the coverage of each color is 31% or higher. 8 881 1 K 8 881 2 Y 8 881 3 M 8 881 4 C...
  • Page 304 10 February, 2005 SERVICE PROGRAM MODE 8 941 Machine Status *CTL [0~9999999/ 0 / 1] These SPs count the amount of time the machine spends in each operation mode. These SPs are useful for customers who need to investigate machine operation for improvement in their compliance with ISO Standards.

  • Page 305: Test Pattern Printing (Sp5-955-1)

    SERVICE PROGRAM MODE 10 February 2005 5.1.3 TEST PATTERN PRINTING (SP5-955-1) 1. Enter the SP mode and select SP5-955-1. 2. Enter the number for the test pattern that you want to print and press . (See the tables below.) 3. Press Copy Window to open the copy window and then select the settings for the test print (paper size, etc.) 4.

  • Page 306: Input Check

    10 February 2005 SERVICE PROGRAM MODE 5.1.4 INPUT CHECK Main Machine Input Check (SP5-803) 1. Enter the SP mode and select SP5-803. 2. Select an item that you want to check. A small box will be displayed on the SP mode screen with a series of 0’s and 1’s.
  • Page 307 SERVICE PROGRAM MODE 10 February 2005 SP5-803 Reading Description -XXX Fuser Entrance Fusing entrance sensor Detected Not detected Sensor PCU-Coil Paper Transfer belt sensor Detected Not detected Check PPI-Level: Bit 0 High voltage power Detected Not detected supply unit PPI-Level: Bit 1 High voltage power Detected Not detected...
  • Page 308 10 February 2005 SERVICE PROGRAM MODE SP5-803 Reading Description -XXX Bank Lower Relay Relay Sensor 4 (optional No paper Paper present paper tray unit) Bank Cover 1 Right cover (vertical guide Closed Open switch) Bank Cover 2 2nd optional tray: Right cover (vertical guide Closed Open...
  • Page 309 SERVICE PROGRAM MODE 10 February 2005 Table 1: Tray 1 and 2 Paper Size Switch North America Europe/Asia Value 1000 " x 11" SEF " x 11" SEF 00001110 1001 B5 SEF B5 SEF 00000110 1010 " x 8 " LEF A5 LEF 00001010 1011...

  • Page 310: Ardf Input Check (Sp6-007)

    10 February 2005 SERVICE PROGRAM MODE ARDF Input Check (SP6-007) 1. Enter the SP mode and select SP6-007. 2. Enter the number (1 – 11) for the item that you want to check. A small box will be displayed on the SP mode screen with a series of 0’s and 1’s, as shown below.

  • Page 311: Finisher Input Check (Sp6-117)

    SERVICE PROGRAM MODE 10 February 2005 Finisher Input Check (SP6-117) 1. Enter the SP mode and select SP6-117. 2. Enter the number (1 – 113) for the item that you want to check. A small box will be displayed on the SP mode screen with a series of 0’s and 1’s, as shown below.

  • Page 312: Main Machine Output Check (Sp5-804)

    10 February 2005 SERVICE PROGRAM MODE 5.1.5 OUTPUT CHECK NOTE: Motors keep turning in this mode regardless of upper or lower limit sensor signals. To prevent mechanical or electrical damage, do not keep an electrical component on for a long time. Main Machine Output Check (SP5-804) 1.
  • Page 313 SERVICE PROGRAM MODE 10 February 2005 SP5-804 Description -XXX Transfer Motor: Low Main motor: 89 mm/s Speed Regist Clutch Registration clutch Interchange Upper Interchange Junction Gate Solenoid 1 Gate Interchange Lower Interchange Junction Gate Solenoid 2 Gate By-pass Feed Clutch By-pass paper feed clutch By-pass Pick-Up By-pass pick-up solenoid...
  • Page 314 10 February 2005 SERVICE PROGRAM MODE SP5-804 Description -XXX Development Motor 1 Development motor for black and cyan: High Speed High Speed (Rev) (Reverse) Development Motor 2 Development motor for yellow and magenta: (Fwd) (Forward) Development Motor 2 Development motor for yellow and magenta: High Sped (Fwd) High Speed (Forward) Development Motor 2...

  • Page 315: Ardf Output Check (Sp6-008)

    SERVICE PROGRAM MODE 10 February 2005 ARDF Output Check (SP6-008) 1. Open SP6-008. 2. Select the SP number that corresponds to the component you wish to check. (Refer to the table below.) 3. Touch ON to test the selected item. To end the test, touch OFF. You cannot exit and close this display until you touch OFF to switch off the output check currently executing.

  • Page 316: Smc Data Lists (Sp5-990)

    10 February 2005 SERVICE PROGRAM MODE 5.1.6 SMC DATA LISTS (SP5-990) 1. Open SP mode 5-990 and select the number corresponding to the list that you wish to print. SMC (System Parameter and Data Lists) All Data List SP Mode Data List User Program Logging Data Self-Diagnostic Report...

  • Page 317: Copy Jam History Display

    SERVICE PROGRAM MODE 10 February 2005 5.1.8 COPY JAM HISTORY DISPLAY Total Count SP7-502 displays the number of copy paper jams having occurred in all paper paths. Details on the Most Recent Jams SP7-507 displays the detailed information on the latest 10 copy paper jams having occurred in all paper paths.

  • Page 318: Memory All Clear (Sp5-801)

    10 February 2005 SERVICE PROGRAM MODE 5.1.9 MEMORY ALL CLEAR (SP5-801) Executing Memory All Clear resets all the settings stored in the NVRAM to their default settings except the following: SP8-381 to -387 SP8-391 and -411 Counter values SP8-491 to -493 and -496 SP8-581 to -584 and -586 SP5-811 Machine serial number...

  • Page 319: Without Using A Flash Memory Card

    SERVICE PROGRAM MODE 10 February 2005 What It Initializes Comments Web Service/Network Deletes the network file application management Application files and thumbnails, and initializes the job login ID. Initializes the system defaults and interface settings (Network Control Service) (IP addresses also), SmartNetMonitor for Admin, WebStatusMonitor settings, and the TELNET settings.

  • Page 320: Printer Service Mode

    10 February 2005 PRINTER SERVICE MODE 5.2 PRINTER SERVICE MODE 5.2.1 SERVICE MODE TABLE Service Table Key Notation What it means [range / default / step] Example: [-9 ~ +9 / +3.0 / 0.1 mm step]. The setting can be adjusted in the range ±9, value reset to +3.0 after an NVRAM reset, and the value can be changed in 0.1 mm steps with each key press.
  • Page 321 PRINTER SERVICE MODE 10 February 2005 Mode Number Function / [Setting] Resolution Settings Toner Control Mode Selects the printing mode (resolution) for the printer Selection gamma adjustment. 1800x600 Photo 1800x600 Text 1800x600 Graph 600x600 Photo 600x600 Text Test Page Color Gray Scale Prints the Color Calibration Test Sheet or Color Test Pattern to check the color balance before and after Color Pattern...

  • Page 322: Sp Modes Related To The Printer Controller

    10 February 2005 PRINTER SERVICE MODE 5.2.2 SP MODES RELATED TO THE PRINTER CONTROLLER The following SP modes are located in the copier SP mode. Section 5.1. SP No. Description Function and Setting 5104 A3/DLT Double Specifies whether the counter is doubled for A3/DLT. Count 0: No, 1: Yes, 2: Yes except By-pass If Yes is selected, the total counter and the current user...

  • Page 323: Scanner Service Mode

    SCANNER SERVICE MODE 10 February 2005 5.3 SCANNER SERVICE MODE 5.3.1 SCANNER PROGRAM MODE TABLE SP1-XXX (System and Others) Mode No. Function / [Setting] (Class 1, 2, and 3) [Compression Type] Compression Type Selects the compression type for binary picture processing.

  • Page 324: Aps Output Display (Sp4-301)

    10 February 2005 SCANNER SERVICE MODE 5.3.2 APS OUTPUT DISPLAY (SP4-301) SP4-301 displays a code that indicates the current status of the APS sensors. The table lists the codes and the activated sensors. B156S540.WMF Sensors Code — — — — —...

  • Page 325: Program Download

    PROGRAM DOWNLOAD 10 February 2005 5.4 PROGRAM DOWNLOAD 5.4.1 FIRMWARE The procedure is the same for all firmware modules. NOTE: If you will change scanner firmware, print 5-990-22 and -23 (SMC reports for scanner settings) before you start this procedure. 1.
  • Page 326 10 February 2005 PROGRAM DOWNLOAD Controller firmware: Turn on dip switch 1 on the controller board, and switch on. The machine boots from the SD card. Download the new firmware. Others: Replace the appropriate PCB. 5-123...

  • Page 327: Nvram Data Upload/Download

    PROGRAM DOWNLOAD 10 February 2005 5.4.2 NVRAM DATA UPLOAD/DOWNLOAD The content of the NVRAM can be uploaded to and downloaded from an SD card. The following data (related to the accounting counter) are not uploaded from NVRAM to the SD card: •...

  • Page 328: Downloading Nvram Data (Sp5-825)

    10 February 2005 PROGRAM DOWNLOAD Downloading NVRAM Data (SP5-825) SP5-825 downloads data from an SD card to the NVRAM inside the machine. 1. Turn off the main switch. 2. Remove the cover [A] ( x 1). 3. Insert the SD card [B] into SD card slot 3.

  • Page 329: Software Reset

    SOFTWARE RESET 10 February 2005 5.5 SOFTWARE RESET The software can be rebooted when the machine hangs up. Use either of the following procedures. Procedure 1 1. Turn the main power switch off and on. 2. Check that “Now loading. Please wait” is displayed and that the copy window opens.

  • Page 330: Copier Setting Reset

    10 February 2005 SYSTEM SETTINGS AND COPY SETTING RESET 5.6.2 COPIER SETTING RESET To reset the copy settings in the UP mode to their defaults, use the following procedure. 1. Press the User Tools/Counter key (). 2. Hold down the  key and then touch Copier/Document Server Features. NOTE: Hold down the ...

  • Page 331: User Tools

    USER TOOLS 10 February 2005 5.7 USER TOOLS The user program (UP) mode can be accessed by users and operators, and by sales and service staff. UP mode is used to input the copier’s default settings. The user can reset the default settings at any time. 5.7.1 HOW TO ENTER USER TOOLS UP Mode Initial Screen: User Tools/Counter Display To enter the UP mode, press the User Tools/Counter key ().

  • Page 332: Counter

    10 February 2005 DIP SWITCHES Counter In the User/Tools Counter display, touch Counter. • The total counters will be displayed. View the settings, touch Print Counter Exit to return to the User Tools/Counter display, and then touch Exit to return to the copy window. 5.8 DIP SWITCHES Controller Board: SW2 DIP SW No.

  • Page 333: Sd Card Application Move

    SD CARD APPLICATION MOVE 10 February 2005 5.9 SD CARD APPLICATION MOVE Overview The service program “SD Card Appli Move” (SP5873) copies application programs from one SD card to a different card. The machine has three SD card slots. Slots 1 and 2 are used for application programs, and Slot 3 is used for servicing only.

  • Page 334: Move Exec

    10 February 2005 SD CARD APPLICATION MOVE Move Exec Do this procedure to move an application from one SD card to another. 1. Turn the main switch off. 2. Put the destination SD card in SD Card Slot 1. 3. Put the source SD card into SD Card Slot 3. This SD card holds the application program that you want to copy to the destination SD card in Slot 1.

  • Page 335: Using The Debug Log

    USING THE DEBUG LOG 10 February 2005 5.10 USING THE DEBUG LOG This machine provides a Save Debug Log feature that allows the Customer Engineer to save and retrieve error information for analysis. Every time an error occurs, debug information is recorded in volatile memory but this information is lost when the machine is switched off and on.
  • Page 336 10 February 2005 USING THE DEBUG LOG 4. Next, select the target destination where the debug information will be saved. Under “5857 Save Debug Log”, touch “2 Target”, enter “2” with the operation panel key to select the hard disk as the target destination, then press . COPY : SP-5-857-002 Save Debug Log Target (2:HDD 3:SD)
  • Page 337 USING THE DEBUG LOG 10 February 2005 6. Next, select the one or more memory modules for reading and recording debug information. Touch “5859”. Under “5859” press the appropriate key item for the module that you want to record. Enter the appropriate 4-digit number, then press . NOTE: Refer to the two tables below for the 4-digit numbers to enter for each key.

  • Page 338: Retrieving The Debug Log From The Hdd

    2. Enter the SP mode and execute SP5857-009 (Copy HDD to SD Card (Latest 4 MB)) to write the debugging data to the SD card. 3. Use a card reader to copy the file and send it for analysis to your local Ricoh representative by email, or just send the SD card by mail.

  • Page 339: Recording Errors Manually

    USING THE DEBUG LOG 10 February 2005 5.10.3 RECORDING ERRORS MANUALLY Since only SC errors and jams are recorded to the debug log automatically, for any other errors that occur while the customer engineer is not on site, please instruct customers to perform the following immediately after occurrence to save the debug data.

  • Page 340: New Debug Log Codes

    10 February 2005 USING THE DEBUG LOG 5.10.4 NEW DEBUG LOG CODES SP5857-015 Copy SD Card-to-SD Card: Any Desired Key This SP copies the log on an SD card (the file that contains the information written directly from shared memory) to a log specified by key number. The copy operation is executed in the log directory of the SD card inserted in the same slot.

  • Page 342: Detailed Section Descriptions

    10 February 2005 OVERVIEW 6. DETAILED SECTION DESCRIPTIONS 6.1 OVERVIEW 6.1.1 MECHANICAL COMPONENTS B156D001.WMF 1. Scanner HP sensor 12. Paper transfer roller unit 2. ADF exposure glass 13. Image transfer belt waste toner bottle 3. Exposure glass 14. Image transfer belt unit 4.

  • Page 343: Paper Path

    OVERVIEW 10 February 2005 6.1.2 PAPER PATH B156V101.WMF 1. Registration sensor (ARDF) 17. Transfer belt sensor 2. Original exit sensor (ARDF) 18. Registration sensor 3. Original set sensor (ARDF) 19. Exit sensor (Duplex unit) 4. Original trailing edge sensor (ARDF) 20.

  • Page 344: Drive Components

    10 February 2005 OVERVIEW 6.1.3 DRIVE COMPONENTS Layout B156D002.WMF 1. Fusing unit motor 11. Paper size switch 1 2. Image transfer belt cleaning clutch 12. Paper size switch 2 3. Image transfer belt cleaning contact 13. Development clutch - M solenoid 14.

  • Page 345: Drive Power Path

    OVERVIEW 10 February 2005 Drive Power Path [D] [E] K, C Y, M B156V108.WMF Motor (Type) Drives ... • Scanner motor gear [C] Scanner [B] (Stepper) K&C K, C Development [I • Development clutches [H ] → Development unit for K and C (DC brushless) Y&M Y, M...

  • Page 346: Electrical Components

    10 February 2005 OVERVIEW 6.1.4 ELECTRICAL COMPONENTS Scanner Unit B156D003.WMF 1. Anti-condensation heater 6. Original length sensor 2 2. Scanner HP sensor 7. SBU (sensor board unit) 3. Platen cover sensor 8. Original width sensor 4. Lamp stabilizer 9. Operation panel 5.

  • Page 347: Image Transfer

    OVERVIEW 10 February 2005 Image Transfer B156D004.WMF 1. Charge corona wire cleaner motor 10. Transfer belt sensor 2. Quenching lamp 11. Pressure roller thermofuse 3. ID sensor 12. Pressure roller thermistor 4. Belt mark sensor 13. Heating roller thermistor 5. T/B waste toner bottle switch 14.

  • Page 348: Paper Path

    10 February 2005 OVERVIEW Paper Path B156D005.WMF 1. Right cover switch 11. Paper end sensor 2 2. Interlock switch 12. Paper end sensor 1 3. Paper overflow sensor 13. Tray heater (optional) 4. Fusing exit sensor 14. Mechanical counter 2 5.

  • Page 349: Development Units

    OVERVIEW 10 February 2005 Development Units B156D006.WMF 1. Rear development board 6. Memory chip I/F Board 2. Laser synch. detection board 7. Memory chip M 3. Front development board 8. Memory chip Y 4. Polygonal mirror motor 9. Memory chip C 5.

  • Page 350: Boards

    10 February 2005 OVERVIEW Boards B156D007.WMF 1. Scanner I/O board 9. PSU fan 1 2. CSS board 10. Breaker 3. Development fan 11. Controller fan 4. I/O board 12. Temperature/humidity sensor 5. BICU board 13. Controller board 6. Power supply unit 14.

  • Page 351: Board Structure

    BOARD STRUCTURE 10 February 2005 6.2 BOARD STRUCTURE 6.2.1 BLOCK DIAGRAM Printer Memory Options : Standard : Option Printer/ Controller Scanner Fax Options Fax Unit Xenon Lamp Lamp Operation Scanner Stabilizer Panel Motor Polygon Motor Scanner IOB ARDF BICU Thermistors LD Units Fusing Lamps Paper...
  • Page 352 10 February 2005 BOARD STRUCTURE 1. Controller (Main Board) Controls the memory and the fax/scanner/printer options. 2. BICU (Base Engine and Image Control Unit) This is the scanner and engine control board. It controls the following functions: • Engine sequence •...

  • Page 353: Controller

    BOARD STRUCTURE 10 February 2005 6.2.2 CONTROLLER OPTION PS3/ 2.5" HDD Printer/ DATA (40 GB) SD Card Scanner Overwite (256 MB) Security Unit SDRAM SD Slot 1 SD Slot 2 SD Slot 3 DIMM Local BUS System On-board NVRAM ASIC Flash ROM SDRAM (128 kB)
  • Page 354 10 February 2005 BOARD STRUCTURE 4. SDRAM (on-board): 768 MB SDRAM (512MB + 256MB) 5. SD Card Slots: Three slots are provided for three SD cards. Slot 1 is for the printer and scanner applications (standard). Slot 2 is for the PostScript 3 or the Data Overwrite Security applications (optional).

  • Page 355: Copy Process

    COPY PROCESS 10 February 2005 6.3 COPY PROCESS B156D008.WMF 1. Development unit 6. Quenching lamp 2. OPC belt 7. OPC belt cleaning unit 3. Image transfer belt cleaning unit 8. Charge corona unit 4. Image transfer belt 9. Polygonal mirror 5.
  • Page 356 10 February 2005 COPY PROCESS 1. Drum Charge The corona wire gives the drum a negative charge. 2. Black (K) Image Creation a) Laser Exposure The laser diode (LD) emits two laser beams. The laser beams create a latent image on the OPC surface. b) Development The development roller transfers negatively charged toner to the latent image.

  • Page 357: Process Control

    PROCESS CONTROL 10 February 2005 6.4 PROCESS CONTROL 6.4.1 OVERVIEW The copier adjusts the following process control parameters: • Development bias (V • Charge corona grid voltage (V These 2 parameters maintain a consistent gamma for the engine. NOTE: This copier uses only the ID sensor. (There is no TD or potential sensor.) 6.4.2 PROCESS CONTROL STEPS Six Steps Depending on the machine’s condition, some or all of the following steps may...

  • Page 358: Process Control Steps

    10 February 2005 PROCESS CONTROL Event Condition Steps K toner cartridge This is done after clearing the K toner near-end state ➀ ➂ ➃ or K development (i.e., when a new K development unit is added). The unit replacement machine idles and when the development roller stops for 10 seconds, indicating that idling is over, process control occurs.
  • Page 359 PROCESS CONTROL 10 February 2005 development bias values are fine-tuned to correct for any changes in the machine or temperature/humidity since the last full process control. This step always has to be done when installing a new development unit. The toner amount carried by a development roller varies with each unit.

  • Page 360: Scanning

    10 February 2005 SCANNING 6.5 SCANNING 6.5.1 OVERVIEW B156D009.WMF 1. Scanner HP sensor 6. 1st scanner (1st carriage) 2. ADF exposure glass 7. Scanner motor 3. Exposure glass 8. Sensor board unit (SBU) 4. 2nd scanner (2nd carriage) 9. Original length sensors 5.

  • Page 361: Scanner Drive

    SCANNING 10 February 2005 6.5.2 SCANNER DRIVE B156D010.WMF Scanner drive: Scanner motor [A] " Scanner drive pulley [B and C], and scanner drive shaft [D] " Scanner wires [E and F] " 1st [G] and 2nd [H] scanners Book Mode The scanner I/O board controls the scanner motor.

  • Page 362: Original Size Detection

    10 February 2005 SCANNING 6.5.3 ORIGINAL SIZE DETECTION B156D011.WMF The original width sensors [A] detect the original width, and the original length sensors [B] detect the original length. The on/off signals received from the sensors are used to detect the original size. The SBU board checks each sensor signal at the following times: •...
  • Page 363 SCANNING 10 February 2005 B156D012.WMF Width SP4-301 Original Size Length Sensor Sensor display Metric Inch 11" x 17" 10" x 14" 8.5" x 14" (8" x 13") A4-L 8.5" x 11" B5-L A4-S 11" x 8.5" B5-S A5-L, A5-S 5.5" x 8.5", 8.5" x 5.5" NOTE: L: Lengthwise, S: Sideways, O: Paper present, X: Paper not present For other combinations, “Cannot detect original size.”...

  • Page 364: Image Processing

    10 February 2005 IMAGE PROCESSING 6.6 IMAGE PROCESSING 6.6.1 OVERVIEW BICU LD Board (Option) Controller Printer Memory Scanner B156D512.WMF The CCD (Charge-Coupled Device) generates three analog video signals. The SBU (Sensor Board Unit) converts the three analog signals to 10-bit digital signals. It sends these signals to the BICU board.

  • Page 365: Sbu Block Diagram

    IMAGE PROCESSING 10 February 2005 6.6.2 SBU BLOCK DIAGRAM R(B) 10 bit 10 bit Analog Amplifier Field 8 bit A/D Converter Memory 10 bit 10 bit Analog Amplifier Field 8 bit ASIC A/D Converter Controller Memory B(R) 10 bit 10 bit Analog Amplifier 8 bit A/D Converter...

  • Page 366: Black Level Correction

    10 February 2005 IMAGE PROCESSING Black Level Correction • Improves image reproduction for high-density areas. • Reads the black video level at black elements on the CCD. These pixels are masked off, and should produce a pure black signal. • This is subtracted from the value of each pixel. •...

  • Page 367: Image Processing

    IMAGE PROCESSING 10 February 2005 6.6.3 IMAGE PROCESSING • Shading correction • Color conversion • Image rotation • Picture element correction • Main scan magnification • Image sort • Scanner line correction • Printer gamma correction • Scanner gamma correction •...

  • Page 368: Scanner Gamma Correction (Rgb Gamma Correction)

    10 February 2005 IMAGE PROCESSING Scanner Gamma Correction (RGB Gamma Correction) The RGB video signals from the CCD are sent to the ASIC1 chip on the BICU board. This signal is proportional to the intensity of light reflected from the original image (Fig. 1). Scanner gamma correction inverts the video signals.

  • Page 369: Acs (Auto Color Selection)

    IMAGE PROCESSING 10 February 2005 Image Separation The original image is classified into the text and photo (dot screen) areas. Edge Separation • Used to locate text and line diagrams • Locates areas of strong contrast. • Looks for continuity of black or colored pixels. •...

  • Page 370: Main Scan Magnification

    10 February 2005 IMAGE PROCESSING Color Conversion Transparency for each color toner is not ideal. Color conversion compensates for the differences between the ideal and actual characteristics. A matrix converts the RGB video signals into CMYK video signals while the original is scanned once. Conversion Matrix The following color conversion table is an example of the results from the matrix operation.

  • Page 371: Printer Gamma Correction

    IMAGE PROCESSING 10 February 2005 Printer Gamma Correction Fig. 2 Fig. 1 B156D019.WMF B156D020.WMF Ideally, the gamma curves for Yellow, Magenta, Cyan, and Black should be identical, as shown in figure 1. However, slight variations in the electrical components can result in varying gamma curves, as shown in figure 2. •...
  • Page 372 10 February 2005 IMAGE PROCESSING ID Max. This mode adjusts the total image density as shown in figure 3. Fig. 3 B156D021.WMF Shadow (High ID) The High ID mode adjusts the image density between Level 6 and Level 9 of the color gradation scale on the C-4 test chart (figure 4).

  • Page 373: Error Diffusion

    IMAGE PROCESSING 10 February 2005 Auto Color Calibration Test Pattern The test pattern has eight 17-step gradation scales for each color (CMYK), including background white, for Text and Photo modes. ACC automatically calibrates the printer Dark Light gamma curve. The user starts the ACC process.

  • Page 374: Photoconductor Unit (Pcu)

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) 6.7 PHOTOCONDUCTOR UNIT (PCU) 6.7.1 OVERVIEW B156D352.WMF 1. Ground brush 16. Image transfer belt cleaning unit 2. ID sensor 17. Image transfer belt mark sensor 3. OPC belt 18. OPC belt cleaning brush 4. Bias brush 19.

  • Page 375: Charge Corona Unit

    PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 6.7.2 CHARGE CORONA UNIT Power Supply [A]: High voltage supply [B]: Charge corona unit [C]: Harness B156D026.WMF High voltage supply [A] " Harness [C] " Charge corona unit [B] (negative charge) (☛ ! Photocopying Processes – Charge – Corona Charge – Scorotron Method) Grid and Wire Cleaning [A]: Motor [B]: Screw...

  • Page 376: Quenching

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) The counter for “development counts” counts up as shown in the table. Black & White Color A4 (LT) LEF (or smaller) 1 count 4 counts Others 2 counts 8 counts NOTE: 1) The counter always increases as shown in the table. These values are not adjustable.

  • Page 377: Opc Belt Drive

    PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 6.7.3 OPC BELT DRIVE [A]: OPC belt [B]: Main motor [C]: Fly wheels [D]: Bottom shaft B156D309.WMF Main motor [B] " Gear " Bottom shaft [D] " OPC belt [A] The flywheels [C] ensure that the OPC belt moves smoothly. NOTE: The OPC belt and transfer belt contact each other.

  • Page 378: Waste Toner Collection

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) Waste Toner Collection The cleaning brush [B] and the cleaning blade [J] removes the toner remaining on the OPC belt [K] surface. (☛ ! Photocopying Processes – Cleaning – Counter Blade + Brush) Toner collection auger 1 [G] moves this toner to the front side, where it is collected in the waste toner bottle [I].

  • Page 379: Image Transfer Belt Unit

    PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 6.7.5 IMAGE TRANSFER BELT UNIT Drive [A]: Main motor [B]: Image transfer belt [C]: Bottom shaft (rubber coated) B156D314.WMF Main motor [A] " Gears " Bottom shaft [C] The bottom shaft can drive the transfer belt because of the friction between the belt [B] and the rubber coating on the shaft [C].

  • Page 380: Transfer Roller

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) Transfer Roller [A]: Transfer roller [B]: High voltage supply board [C]: Terminal plates B156D031.WMF The transfer roller [A] attracts toner from the OPC belt to the image transfer belt by using a positive charge. The terminal in the middle of the PCU contacts the terminal on the transfer roller shaft when the image transfer belt unit is installed in the PCU.

  • Page 381: Image Transfer Belt Cleaning Unit

    PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 6.7.6 IMAGE TRANSFER BELT CLEANING UNIT [A]: Cleaning blade [B]: Toner collection auger 1 [C]: Image transfer belt [D]: Toner conduit [E]: Waste toner sensor feeler [F]: Waste toner bottle switch [G]: Actuator [H]: Waste toner full sensor [I]: Waste toner bottle [J]: Transfer roller [K]: Toner collection auger 2...

  • Page 382: Contact Mechanism

    10 February 2005 PHOTOCONDUCTOR UNIT (PCU) Contact Mechanism REAR VIEW B156D034.WMF B156D033.WMF [A]: Image transfer belt cleaning contact solenoid [B]: Half-turn clutch [C]: Lever [D]: Cam [E]: Fusing unit motor The fusing unit motor [E] drives the image transfer belt cleaning unit and the contact mechanism.

  • Page 383: Power Supply

    PHOTOCONDUCTOR UNIT (PCU) 10 February 2005 Power Supply [A]: Cleaning brush [B]: Cleaning roller [C]: High voltage supply [D]: Contact spring [E]: Contact spring [F]: Contact spring B156D035.WMF The cleaning roller [B] charges the cleaning brush, and attracts toner from it. The high voltage supply [C] supplies positive charge to the cleaning roller via the harness and contact springs (leaf springs) [D, E, and F].

  • Page 384: Laser Exposure

    10 February 2005 LASER EXPOSURE 6.8 LASER EXPOSURE 6.8.1 OVERVIEW B156D037.WMF 1. LD Unit 7. W-Toroidal lens (WTL) 2. Synchronization Detector 8. Fθ Lens 3. Synchronization Detector Mirror 9. 1st Mirror 4. Dust Shield Glass 10. 2nd Mirror 5. 3rd Mirror 11.

  • Page 385: Polygon Mirror Motor Unit

    LASER EXPOSURE 10 February 2005 6.8.2 POLYGON MIRROR MOTOR UNIT Speed The polygon mirror motor rotates at about 21,024 rpm. 6.8.3 SYNCHRONIZATION DETECTOR The synchronization detector is on the rear side of the laser unit. The synchronization detector simultaneously checks 2 laser beams. 6.8.4 LD UNIT Two laser diodes in the LD unit emit 2 main-scan laser-beams.

  • Page 386: Ld Safety Switch

    10 February 2005 LASER EXPOSURE 6.8.5 LD SAFETY SWITCH Front Door The LD safety switch is on the upper end of the front door. This switch is linked to the following covers: Front door Right cover The switch prevents laser emission if any of the above covers is opened (when, for example, you remove jammed paper or replace a consumable).

  • Page 387: Operation Panel Display And Switch Mechanism

    LASER EXPOSURE 10 February 2005 Operation Panel Display and Switch Mechanism The front cover switch [A], right cover switch [B], and interlock switch [C] detect the positions of the front and right covers. When either or both covers are open, the message, “Open Cover”, appears with an illustration indicating which covers are open.

  • Page 388: Development

    10 February 2005 DEVELOPMENT 6.9 DEVELOPMENT 6.9.1 OVERVIEW B156D351.WMF K: black, Y: yellow, C: cyan, M: magenta 1. Memory chip 6. Toner supply roller 2. Toner cartridge 7. Development roller 3. Toner cartridge agitators 8. Doctor roller 4. Development agitator 9.

  • Page 389: Development Unit

    DEVELOPMENT 10 February 2005 6.9.2 DEVELOPMENT UNIT Replacing Units Each new development-unit spare part contains an empty dummy toner cartridge. The dummy toner cartridge does not have a memory chip. When you replace the development unit with a new spare part development unit, the machine cannot detect the toner cartridge because the dummy toner cartridge does not contain a memory chip.

  • Page 390: Toner Supply Mechanism

    10 February 2005 DEVELOPMENT 6.9.3 TONER SUPPLY MECHANISM B156D301.WMF [A]: Development motor for K, C [I]: Toner supply roller [B]: Development motor for Y, M [J]: Development roller [C]: Development clutch [K]: Toner cartridge agitators [D]: Lever [L]: Mylar sheet [E]: Cam (built into the gear) [M]: Toner cartridge [F]: Development roller gear...

  • Page 391: Rollers And Agitators

    DEVELOPMENT 10 February 2005 Rollers and Agitators Each toner cartridge contains two toner cartridge agitators [K]. They are equipped with several mylar sheets [L], which agitate the toner and send it to the development unit agitator [G]. The development unit agitator agitates the toner and sends it to the toner supply roller [I].
  • Page 392 10 February 2005 DEVELOPMENT 6.9.4 TONER END DETECTION Mechanism [A]: Optic fiber [B]: Light emission [C]: Gap An optic fiber [A] in each development unit except the one for black detects toner end. Light is emitted from the rear end [B] of the unit.

  • Page 393: Toner End Detection

    DEVELOPMENT 10 February 2005 Toner End Detection When any one of the following conditions occurs, toner end is indicated. 1. If near-end was detected by pixel count: The remaining pixel count reaches 0. 2. If near-end was detected by toner end sensor: Either 100 developments or 100 prints at 5% coverage are made since near- end was detected.
  • Page 394 10 February 2005 DEVELOPMENT The three toner-end-recovery modes operate as shown in this table. Toner End Recovery Procedure Total Time 0.8s on/0.8s off, for Quick (default) 5s on/1s off, for 30s 5s on/1s off, for 30s Approx. 3 minutes Long (quiet) On/off timing same as for normal printing 5s on/1s off, for 15s Approx.

  • Page 395: Development Unit Contact Mechanism

    DEVELOPMENT 10 February 2005 6.9.5 DEVELOPMENT UNIT CONTACT MECHANISM Mechanism Each development unit has an independent clutch. When a development clutch turns on, a gear under the development unit moves the development unit into contact with the OPC belt. When the clutch turns off, two springs (one at the front and one at the rear) detach the development unit from the OPC belt.

  • Page 396: Reverse Rotation

    10 February 2005 DEVELOPMENT Reverse Rotation The gears reverse every development to prevent toner from clumping. There are two development motors in this model. While one motor is used to develop a color, the other is used to clean another development unit. This parallel action reduces the idle time.

  • Page 397: Power Source

    DEVELOPMENT 10 February 2005 6.9.6 POWER SOURCE [A]: Development unit [B]: Rear-side terminal [C]: Development roller [D]: Bias terminal [E]: Harness terminal [F]: High voltage supply [G]: Doctor roller B156D041.WMF Development, Toner Supply, and Doctor Rollers When a development unit [A] comes into contact with the OPC belt, the bias terminal [D] comes into contact with the harness terminal [E].

  • Page 398: Paper Feed

    10 February 2005 PAPER FEED 6.10 PAPER FEED 6.10.1 OVERVIEW B156D042.WMF 1. Registration roller 8. Base plate (Tray 1) 2. Path from duplex unit 9. Base plate (Tray 2) 3. Vertical transport roller 10. Paper end fence (Tray 2) 4. By-pass tray 11.

  • Page 399: Transport Speed

    PAPER FEED 10 February 2005 Transport Speed Until the registration roller, the paper travels at 240 mm/s. This high initial speed ensures that the first output time is as short as possible. From the registration roller to the exit, the paper travels at the following speeds: 178 mm/s (plain paper) 89 mm/s (thick paper or OHP films) Friction Pad...

  • Page 400: Paper Lift

    10 February 2005 PAPER FEED 6.10.3 PAPER LIFT Lift Mechanism The spring under the bottom plate [A] presses the plate upward. When you press the bottom plate as far down as possible, the hook on lever [C] holds the plate. The lever releases the bottom plate when it is pressed by the protruding part on the right tray rail;...

  • Page 401: Paper Size Detection

    PAPER FEED 10 February 2005 6.10.4 PAPER SIZE DETECTION Mechanism [A]: Tray set switch [B]: Paper size switch [C]: Paper size switch [D]: Paper size switch [E]: Actuator [F]: Lever [G]: End fence B156D046.WMF The end fence [G] moves the lever [F], which moves a different set of notches on the actuator [E] into contact with the paper size switches [B]∼[D].

  • Page 402: Paper Transfer And Separation

    10 February 2005 PAPER TRANSFER AND SEPARATION 6.11 PAPER TRANSFER AND SEPARATION 6.11.1 OVERVIEW B156D401.WMF 1. Image transfer belt 5. Paper transfer roller 2. Discharge plate 6. Registration roller 3. Separation lever 7. Transfer belt sensor 4. Spring 8. Fusing entrance sensor Jammed Paper Release When you open the right cover, the units release the paper.

  • Page 403: Contact/Separation Mechanism

    PAPER TRANSFER AND SEPARATION 10 February 2005 6.11.2 CONTACT/SEPARATION MECHANISM FRONT VIEW REAR VIEW B156D048.WMF B156D047.WMF [A]: Fusing unit motor [B]: Half-turn clutch [C]: Paper transfer solenoid [D]: Contact/separation lever [E]: Cam Timing When transferring toner to paper, the paper transfer roller unit contacts the image transfer belt.

  • Page 404: Power Supply

    10 February 2005 PAPER TRANSFER AND SEPARATION 6.11.3 POWER SUPPLY Circuit High voltage supply [A] → Terminal [B] → Paper transfer roller shaft [C] [A]: High voltage supply [B]: Terminal [C]: Paper transfer roller shaft [D]: Temperature-humidity sensor (inside the rear-right cover) [E]: Discharge plate (negative charge) B156D049.WMF...

  • Page 405: Roller Cleaning

    PAPER TRANSFER AND SEPARATION 10 February 2005 Roller Cleaning The paper transfer roller is cleaned at the following times: • After the user clears a paper jam • After the user closes the front cover • Just after the main power has been switched on After paper passes the paper transfer roller, the paper transfer solenoid releases the paper transfer roller from the image transfer belt.

  • Page 406: Image Fusing And Paper Exit

    10 February 2005 IMAGE FUSING AND PAPER EXIT 6.12 IMAGE FUSING AND PAPER EXIT 6.12.1 OVERVIEW B156D050.WMF 1. Hot roller 9. Heating roller 2. Metal cleaning roller 10. Fusing belt 3. Pressure roller 11. Oil overflow sensor 4. Pressure roller fusing lamp 12.

  • Page 407: Drive

    IMAGE FUSING AND PAPER EXIT 10 February 2005 6.12.2 DRIVE B156D051.WMF [A]: Hot roller [B]: Pressure roller gear [C]: Cover disengagement gear [D]: Fusing unit motor [E]: Drive gear [F]: Fusing belt [G]: Heating roller [H]: Oil supply roller [I]: Oiling roller The fusing unit motor [D] drives the fusing unit through gears [C] and [E].

  • Page 408: Fusing Unit Components

    10 February 2005 IMAGE FUSING AND PAPER EXIT 6.12.3 FUSING UNIT COMPONENTS [A]: Fusing belt [B]: Heating roller [C]: Lamp (770 W) [D]: Thermostat [E]: Thermistor [F]: Pressure roller [G]: Lamp (350 W) [H]: Thermistor [I]: Thermofuse [J]: Pawl B156D052.WMF Fusing Belt This machine uses a fusing belt [A].

  • Page 409: Fusing Bias

    IMAGE FUSING AND PAPER EXIT 10 February 2005 [A]: High voltage supply [B]: Terminal [C]: Fusing belt [D]: Hot roller [E]: Heating roller [F]: Pressure roller [G]: Oiling roller B156D053.WMF Fusing Bias The high voltage supply [A] provides the fusing bias in a new fusing unit until 2K prints are made.

  • Page 410: Oil Supply

    10 February 2005 IMAGE FUSING AND PAPER EXIT 6.12.4 OIL SUPPLY Oil Supply ☛! Photocopying Processes – Fusing – Oil Supply [A]: Oil tank [B]: Air inlet [C]: Oil pump [D]: Oil pipe [E]: Fusing unit B156D054.WMF [F]: Oil reservoir [G]: Felt [H]: Oil supply unit [I]: Oil supply roller...
  • Page 411 IMAGE FUSING AND PAPER EXIT 10 February 2005 Oil Supply [A]: Oil end sensor [B]: Oil overflow sensor B156D056.WMF The oil end sensor [A] controls the supply of oil from the oil tank in the bottom of the machine, via the oil pump, to the reservoir in the oil supply unit. The oil end sensor detects oil by emitting a beam through the protruding part of the tank bottom (the bottom is transparent).

  • Page 412: Oil End Detection And Recovery

    10 February 2005 IMAGE FUSING AND PAPER EXIT Oil End Detection and Recovery If the oil tank at the bottom of the machine has no oil in it, the following occurs: 1) The oil pump operates for 50 milliseconds and waits for 150 milliseconds. If the oil end condition still exists, this step is repeated.

  • Page 413: Temperature Control

    IMAGE FUSING AND PAPER EXIT 10 February 2005 6.12.5 TEMPERATURE CONTROL The table lists default settings and variable ranges for temperature control. More than 15°C ~ External temperature 15°C or lower 30°C or higher (*1) less than 30°C Roller Heating Press.

  • Page 414: Energy Saver Modes

    10 February 2005 IMAGE FUSING AND PAPER EXIT 6.12.6 ENERGY SAVER MODES Overview Stand-by Mode Operation Sw. Off -or- Auto Off Timer (1 min. to 240 min. / Default: 45 min.) Energy Saver Key ON -or- Panel Off Timer (10 s to 999 s / Default: 60 s) Key Operation Panel-Off Mode Operation Sw.

  • Page 415: Panel Off Mode

    IMAGE FUSING AND PAPER EXIT 10 February 2005 Panel Off Mode Entering the panel off mode The machine enters the panel off mode when one of the following is done. • The panel off timer runs out. • The Clear Mode/Energy Saver Key is held down for one second. If the value specified in the panel off timer is larger than the value specified in the energy saver timer, the machine goes into the low power mode without going into the panel off mode.

  • Page 416: Low Power Mode

    10 February 2005 IMAGE FUSING AND PAPER EXIT Low Power Mode Entering the low power mode The machine enters the low power mode when the energy saver timer runs out. What happens in low power mode When the machine enters the low power mode, the fusing lamps are kept at the temperatures indicated in the table, and the operation panel indicators are turned off except for the Energy Saver LED and the Power LED.

  • Page 417: Auto Off Mode

    IMAGE FUSING AND PAPER EXIT 10 February 2005 Auto Off Mode There are two Auto Off modes: Off Stand-by mode and Off mode. The difference between Off Stand-by mode and Off mode is the machine’s condition when it enters the Auto Off mode. Entering off stand-by and off modes The machine enters the Off Stand-by mode or Off Mode when one of the following is done.

  • Page 418: Paper Exit

    10 February 2005 IMAGE FUSING AND PAPER EXIT 6.12.7 PAPER EXIT [A]: Interface gear [B]: Pressure roller gear [C]: Drive gear (fusing unit) [D]: Cover disengagement gear [E]: Fusing unit motor [F]: Fusing exit sensor feeler [G]: Turning direction of the fusing exit sensor feeler [H]: Fusing exit sensor [I]: Paper exit sensor...

  • Page 419: Print Data Processing

    PRINT DATA PROCESSING 10 February 2005 6.13 PRINT DATA PROCESSING 6.13.1 RPCS DRIVER Printer Host Controller Engine ICM Engine/ ICM profile ICM Profile CMYK Gray Correction RPCS Driver Matching Corrected UCR/BG RCM profile γ γ γ γ Correction CMYK Toner Limitation CMYK 8 bits CMYK...

  • Page 420: Ps3 Driver

    10 February 2005 PRINT DATA PROCESSING 6.13.3 PS3 DRIVER CMYK Color CIE ABC 8 bit Matching PS Driver CMYK CMYK CMYK CMYK 1 bit Fine Fine Super CMYK BG/UCR 8 bit Vivid (RGB Super Vivid Correction) None CMM/ ICC/ICM Profile B529D564.WMF CMS (Color Management System) CMS optimizes the color print quality using a color profile that is based on the...

  • Page 421: Toner Limitation

    PRINT DATA PROCESSING 10 February 2005 Toner Limitation Toner limitation prevents toner from being scattered around text or printed lines. Maximum values have been prepared independently for text and photo. They can be adjusted with controller SP mode (Toner Limit). •...

  • Page 422: File Format Converter (Mlb)

    10 February 2005 FILE FORMAT CONVERTER (MLB) 6.14 FILE FORMAT CONVERTER (MLB) In previous models (such as A-C2, R-C2), DeskTopBinder V2 could retrieve copy and print jobs from the document server and convert them to TIFF. However, this software-based conversion was slow for many users. So, for this machine, this conversion has been made hardware-based, using the optional File Format Converter.

  • Page 423: Data Overwrite Security Unit (B735)

    DATA OVERWRITE SECURITY UNIT (B735) 10 February 2005 6.15 DATA OVERWRITE SECURITY UNIT (B735) 6.15.1 AUTO ERASE MEMORY A document scanned in the copier or scanner mode, or data sent from a printer driver for printing, is stored temporarily on the hard disk of the machine. Even after the copy or print job is completed, it remains in the hard disk as temporary data.

  • Page 424: Specifications

    (excluding by-pass tray): Printing Speed Plain Model Thick (A4/8.5" x 11" LEF): Paper Color 10 cpm 4 cpm 2 cpm TH-C1b Black & White 24 cpm 6.5 cpm 3.2 cpm Color 10 cpm 4 cpm 2 cpm TH-C1c Black & White 32 cpm 6.5 cpm...
  • Page 425 SPECIFICATIONS 10 February 2005 Zoom: 25% to 400% in 1% steps (Platen mode) 25% to 200% in 1% steps (ADF mode) Scanning System: 3-line 1-chip CCD sensor (600 dpi) Light Source: 1 xenon lamp Photoconductor: OPC belt Charging: Corona wire with grid plate Print System: Two laser beam, 600 dpi Development System:...

  • Page 426: System Components

    10 February 2005 SPECIFICATIONS 2. MACHINE CONFIGURATION 2.1 SYSTEM COMPONENTS B156V500.WMF Spec-3...
  • Page 427 SPECIFICATIONS 10 February 2005 Machine Common Version Item Code with Copier TH-C1b B156 TH-C1c B220 ARDF (Optional B810 NOTE 2) NOTE 1) Platen Cover (Optional) B484 U-C1 Paper Tray Unit (Optional) B456 U-C1 LCT (Optional) B457 U-C1 1-bin Tray (Optional)
  • Page 428 10 February 2005 SPECIFICATIONS I/F Card Slot File Format Converter Option SD Card Slot Option Option Service B156I402.WMF Machine Item Remarks Code USB 2.0: — Standard Ethernet: — Standard File Format Converter: [A] B609 IEEE 802.11b: [B] G813 Bluetooth: [C] B736 You can only install one of these at the same time.

  • Page 429: Optional Equipment

    SPECIFICATIONS 10 February 2005 2.2 OPTIONAL EQUIPMENT ARDF Original Size: Standard sizes Single-sided mode: A3 to A5, DLT to HLT Double-sided mode: A3 to A4, DLT to LT Non-standard sizes (Single-sided mode only) Max. width 297 mm Min. width 105 mm Max.

  • Page 430: By-Pass Tray Unit

    10 February 2005 SPECIFICATIONS By-pass Tray Unit Paper Size: Standard sizes A6 lengthwise to A3 HLT to DLT Non-standard sizes Width: 90 to 305 mm (3" to 12") Length: 148 to 457.2 mm (5.83" to 18") Paper Weight: 60 g/m to 163 g/m , 16 lb to 43.6 lb Dimensions (W x D x H):...

  • Page 431: Lct

    SPECIFICATIONS 10 February 2005 A4 sideways/LT sideways Paper Size: Paper Weight: 60 g/m to 128 g/m , 16 lb to 34 lb Tray Capacity: 2,000 sheets (80 g/m , 20lb) Remaining Paper Detection: 5 steps (100%, 75%, 50%, 25%, Near end) Power Source: DC 24 V, 5 V (from copier/printer) Power Consumption:...

  • Page 432: 1-Bin Tray Unit

    10 February 2005 SPECIFICATIONS 1-Bin Tray Unit Paper Size: Standard Size: A5 Lengthwise to A3 HLT Lengthwise to DLT Non-standard Size: Paper Width: 90 to 297 mm Paper Length: 148 to 432 mm Paper Weight: 60 ~ 105 g/m², 16 ~ 28 lbs. Tray Capacity: 125 sheets (80 g/m², 20 lbs.) Power Source:...

  • Page 433: 1000-Sheet Finisher

    SPECIFICATIONS 10 February 2005 1000-sheet Finisher Upper Tray Paper Size: A3 to A6 DLT to HLT Paper Weight: 60 to 157 g/m (16 to 42 lb) Paper Capacity: 250 sheets (A4 sideways/LT sideways or smaller: 80 , 20lb) 50 sheets (A3, B4, DLT, LG: 80 g/m , 20 lb) Lower Tray Paper Size:...

This manual is also suitable for:

Th-c1c

Table of Contents