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LP142CNHT
Ricoh LP142CNHT Manuals
Manuals and User Guides for Ricoh LP142CNHT. We have
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Ricoh LP142CNHT manual available for free PDF download: Service Manual
Ricoh LP142CNHT Service Manual (790 pages)
GESTETNER, LANIER, SAVIN
Brand:
Ricoh
| Category:
Printer
| Size: 14.01 MB
Table of Contents
Table of Contents
13
Product Information
21
Read this First
23
Important Safety Notices
23
Lithium Batteries
26
Prevention of Physical Injury
29
Health Safety Conditions
29
Observance of Electrical Safety Standards
30
Laser Safety
31
Product Information
33
Specifications
35
Machine Configuration
36
Overview
37
Mechanical Component Layout
37
Paper Path
38
Drive Layout
39
Installation
41
Installation Requirements
43
Environment
43
Machine Level
43
Machine Space Requirements
44
Power Requirements
44
Optional Unit Combinations
45
Machine Options
45
Controller Options
46
Printer Installation
47
Installation Procedure
47
Unpacking
47
Installing the Toner
50
Loading Paper
52
Selecting the Panel Display Language
54
Turning Power on
54
Meter Click Charge
55
Printing the Test Page
55
Settings Relevant to the Service Contract
55
Moving the Machine
58
Transporting the Machine
58
Paper Feed Unit (M384)
59
Caster Table (M393)
61
Accessory Check
61
For Installing the Caster Table (M393) Only
62
Installation Procedure
62
For Installing with the Paper Feed Unit (M384)
66
Tray Heater
69
Component Check
69
Tray Heater (Mainframe)
70
Tray Heater (Optional Unit)
71
Component Check
74
For Installing the Tray Heater in M384
75
For Installing the Securing Bracket
80
Controller Options
83
I/F Card Slots
83
Overview
83
Outline of SD Card Appli Move
84
Overview
84
Sd Card Appli Move
84
SD Card Slots
84
Move Exec
85
Undo Exec
86
Preventive Maintenance
87
Maintenance Tables
89
Replacement and Adjustment
91
Before You Start
93
Special Tools
94
Tools
94
Exterior Covers
95
Left Cover
95
Right Cover
96
Rear Cover
97
When Reinstalling the Rear Cover
97
Top Cover
98
When Reinstalling the Top Cover
99
Operation Panel
100
Inner Left Upper Cover
101
Inner Left
102
Inner Left Lower Cover
103
Inner Left Rear Cover
103
Inner Right
104
Inner Right Rear Cover
105
Laser Optics
106
Before Removing the Old Laser Unit
106
Caution Decal Locations
106
Laser Unit
106
Recovery Procedure for no Replacement Preparation of Laser Unit
107
Removing the Laser Unit
108
After Installing a New Laser Unit
109
Laser Unit Fan
110
When Installing the Laser Unit Fan
110
Ldu Shutter Motor
111
Image Creation
112
Pcdu (Photo Conductor and Development Unit)
112
Waste Toner Bottle
114
When Installing a New PCDU
114
Toner Supply Tube
115
Toner Supply Motor
121
Toner Collection Motor
122
Waste Toner Bottle Full Sensor
124
Waste Toner Bottle Set Sensor
125
Rfid Cpu Board
126
Rfid Board
127
Development Fan
128
When Installing the Development Fan
129
Image Transfer
130
Itb (Image Transfer Belt) Unit
130
Image Transfer Belt
132
When Installing the Image Transfer Belt
136
Itb Contact Motor
137
Itb Contact Sensor
138
ID Sensor Board
140
After Installing a New ID Sensor Board
141
Paper Transfer
142
Ptr (Paper Transfer Roller) Unit
142
When Installing the PTR Unit
142
Ptr Contact Motor
143
Ptr Contact Sensor
145
Temperature/Humidity Sensor
146
Drive Unit
147
Gear Unit
148
When Installing the Gear Unit
153
Toner Supply Fan
154
Toner Supply Fan Base
154
When Installing the Toner Supply Fan
154
Drum Motor: Cmy
155
Development Motor: Cmy
156
Itb Unit/ Drum-K/ Development-K Motor
157
Development Clutch: K
158
Fusing/Paper Exit Motor
158
Front Door Sensor
159
Motors with Bracket
160
Registration Motor
161
Paper Feed Motor
162
Vertical Transport Motor
162
Drum Phase Sensor: Cmy
163
Drum Phase Sensor: K
164
Drive Unit Fan
165
When Installing the Drive Unit Fan
165
Fusing
166
Cleaning Unit
166
Fusing Unit
166
When Installing the Fusing Unit
166
Pressure Roller Fusing Lamp
167
Pressure Roller
170
When Reinstalling the Pressure Roller
171
Heating Roller Fusing Lamp
172
Fusing Belt
176
Fusing, Heating and Tension Roller
178
When Reinstalling the Fusing Roller
178
Heating Roller Thermostat
179
Heating Roller Thermistor
180
Pressure Roller Thermistor
181
Pressure Roller Thermostat
182
Thermopile
183
Paper Feed
184
Separation Roller
184
Pick-Up and Paper Feed Rollers
185
Paper Feed Unit
186
Registration Sensor
188
Vertical Transport Sensor
189
Paper Height Sensor 1
190
Paper Height Sensor 2
191
Paper Lift Sensor
192
Paper End Sensor
193
Paper Feed Sensor
194
Tray Lift Motor
195
Tray 1 Set Sensor
197
Cleaning the Paper Dust Container
198
Paper Size Sensor Board
198
Paper Exit
199
Paper Exit Unit
199
Paper Exit Sensor
201
Inverter Sensor
203
Fusing Exit Sensor
204
Paper Overflow Sensor
204
Inverter Motor
205
Fusing Cooling Fan
206
When Installing the Fusing Cooling Fan
206
Upper Cover Sensor
207
Duplex Unit
208
Duplex Unit
209
By-Pass Tray Unit
210
Duplex Entrance Sensor
212
Duplex Exit Sensor
214
Fusing Entrance Sensor
215
Duplex/By-Pass Motor
216
By-Pass Paper End Sensor
220
By-Pass Feed Roller, Friction Pad
221
Hvps: D
224
Fusing Fan
225
When Installing the Fusing Fan
225
Electrical Components
226
Boards
226
Hdd
228
Disposal of HDD Units
229
Reinstallation
229
Controller Fan
230
When Installing the Controller Fan
230
Controller Board
231
When Installing a New HDD Unit
232
When Installing the New Controller Board
232
Bridge Board
233
Psu
233
Controller Box
235
Bcu
237
When Installing the New BCU
238
Removing the BCU with Bracket
239
Hvps: Cb Board
240
Hvps: T1T2 Board
240
NVRAM on the BCU
242
NVRAM on the Controller
242
Nvram Replacement Procedure
242
Adjustments
244
Gamma Adjustment
244
Summary
244
Adjustment Procedure
246
System Maintenance Reference
249
Service Program Mode
251
Accessing the Required Program
251
Inputting a Value or Setting for a Service Program
251
Service Mode Operation
251
Sp Tables
251
Display on the Control Panel Screen
252
Exiting Service Mode
252
Remarks
252
Bit Switch Programming
255
Firmware Update
256
Type of Firmware
256
Before You Begin
257
File Arrangement
258
Updating Firmware
258
Update Procedure
259
Address Book Upload/Download
260
Download
260
Error Handling
260
Power Failure
260
Upload
261
Error Message Table
262
Handling Firmware Update Errors
262
Controller Self-Diagnostics
264
Overview
264
Nvram Data Upload/Download
265
Uploading Nvram Data
265
Downloading Nvram Data
266
Using the Debug Log
267
Switching on and Setting up Save Debug Log
267
Debug Log Codes
270
Retrieving the Debug Log from the Hdd
270
SP5857-015 Copy SD Card-To-SD Card: any Desired Key
270
SP5857-016 Create a File on HDD to Store a Log
271
SP5857-017 Create a File on SD Card to Store a Log
271
Dip Switches
272
Controller Board
272
Troubleshooting
273
Service Call Conditions
275
Process Control Error Conditions
276
Troubleshooting Guide
277
Image Problems
278
Overview
278
Jam Detection
279
Electrical Component Defects
280
Energy Saving
281
Energy Saver Modes
283
Recommendation
284
Return to Stand-By Mode
284
Timer Settings
284
Energy Save Effectiveness
285
Paper Save
287
Combine Mode
287
Duplex
287
Effectiveness of Duplex/Combine Function
287
Duplex + Combine
288
How to Calculate the Paper Reduction Ratio
288
M065/M066 Appendices
291
1 Appendix: Specifications
295
Specifications
295
General Specifications
297
Supported Paper Sizes
300
Software Accessories
302
Printer Drivers
302
Optional Equipment
303
Paper Feed Unit (M384)
303
Utility Software
304
2.Appendix: Preventive Maintenance Tables
307
User Maintenance Items
307
Mainframe
307
Replacement Items
307
Cleaning Items
308
Optional Units
308
Paper Feed Unit
308
3 Appendix: Service Call Conditions
309
Sc Tables
311
Service Call Conditions
311
Summary
311
Sc1Xx: Scanning
312
Sc 2Xx: Exposure
313
Sc3Xx: Image Processing - 1
321
Sc4Xx: Image Processing - 2
327
Sc5Xx: Paper Feed and Fusing
333
Sc6Xx: Device Communication
347
Sc8Xx: Overall System
354
Sc9Xx: Miscellaneous
367
4 Appendix: Process Control Error Conditions
375
Process Control Results
375
Developer Initialization Result
375
Process Control Self-Check Result
377
Vsg Adjustment Result
379
Line Position Adjustment Result
380
5 Appendix: Troubleshooting Guide
383
Troubleshooting Guide
383
Blank Print
383
All-Black Print
384
Missing Cmy Color
384
Light Print
385
Repeated Spots or Lines on Prints
386
Dark Vertical Line on Prints
387
White Horizontal Lines or Bands
387
Dirty Background
388
Missing Parts of Images
388
Partial Cmy Color Dots
388
Cmy Color Irregular Streaks
389
Dark Irregular Streaks on Prints
389
Ghosting
389
Unfused or Partially Fused Prints
389
Image Skew
390
Background Stain
391
No Printing on Paper Edge
391
Image Not Centered When It Should be
392
6 Appendix: Jam Detection
393
Jam Detection
393
Jam Codes and Display Codes
395
Paper Jam Display
395
Paper Size Code
397
7 Appendix: Electrical Component Defects
401
Electrical Component Defects
401
M065/ M066
401
Sensors
401
Optional Paper Feed Unit
407
Blown Fuse Conditions
408
Leds
408
Power Supply Unit
408
8 Appendix: Sp Mode Tables
409
System Service Mode
411
Service Mode Table
411
Sp1-XXX (Feed)
411
SP2-XXX (Drum)
439
Sp3-XXX (Process)
582
Sp5-XXX (Mode)
640
Sp7-XXX (Data Log)
685
Sp8-XXX: Data Log
715
Input Check Table
743
Table 1: Paper Size Switch (Tray)
747
Table 2: Paper Height Sensor
748
Output Check Table
749
Test Pattern Printing
756
Printer Service Mode
758
Sp1-XXX (Service Mode)
758
Paper Feed Unit Pb
770
M384 (Paper Feed Unit Pb 1020)
772
External Covers
776
Left Cover
776
Right Cover
776
Replacement and Adjustment
776
Pick-Up, Paper Feed and Separation Rollers
777
Separation Roller
777
Pick-Up and Paper Feed Rollers
778
Electrical Components
779
Paper Feed Motor
779
Drive Board
780
Cooling Fan
781
When Installing the Cooling Fan
781
Paper Feed Clutch
782
Tray Lift Motor
783
Paper Size Sensor Board
784
Tray Set Sensor
784
Paper Feed Sensor
785
Vertical Transport Sensor
786
Paper End Sensor
787
Paper Height Sensor 1
788
Paper Lift Sensor
789
Paper Height Sensor 2
790
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