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EPI 054
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Manuals and User Guides for Minolta EPI 054. We have
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Minolta EPI 054 manual available for free PDF download: User Manual
Minolta EPI 054 User Manual (339 pages)
Brand:
Minolta
| Category:
All in One Printer
| Size: 9.14 MB
Table of Contents
Cotnents
2
Table of Contents
2
1 Specifications
3
L - L . Specifications of EP2030
3
L-2. Specifications of EP1085
6
L-3. Specifications of EP1054
9
2 Precautions for Installation
12
3 Precautions for Use
13
4 Handling of the Consumables
14
System Options
15
System Options of EP1085
16
System Options of EP1054
16
Ep1054/Ep1085/Ep2030 Dis/Reassembly
18
Service Instructions
20
INSTRUCTIONS for HANDLING the Pwbs with MOS Ics
20
L-2. HANDLING of the PC DRUM
20
L-3. PARTS WHICH MUST NOT be TOUCHED
23
Other Screws
23
Screws
23
Variable Resistors on Board
23
Disassembly/Reassembly
24
2-L. DOORS, COVERS, and EXTERIOR PARTS: IDENTIFICATION and REMOVAL PROCEDURES
24
REMOVAL of Pwbs
27
Belt Installations
29
Paper Take-Up/Transport Sections
30
Removal of the Paper Take-Up Unit
30
Cleaning of the Paper Take-Up Rolls
31
Removal of the Paper Take-Up Rolls
31
Removal of the Suction Unit
31
Disassembly of the Suction Unit
32
Replacement of the Paper Lifting Springs (2Nd Drawer): 23 Cpm Copier Only
33
Disassembly of the Multi Bypass Table (15/L 8 Cpm Copier: OPTION)
34
Optical Section
39
Removal of the Lens Drive Cable
39
Winding of the Lens Drive Cable
40
Removal of the Scanner Drive Cable
41
Winding of the Scanner Drive Cable
44
Cleaning of the Exposure Lamp
48
Removal of the Scanner
48
Cleaning of the Lens and 4Th Mirror
49
Cleaning of the Lst/2Nd/3Rd Mirrors
49
Cleaning of the Optical Section Cooling Fan Filter (15/L 8 Cpm Copier Only
49
Imaging Unit
50
Cleaning of the Image Erase Lamp
54
Cleaning of the Main Erase Lamp
54
The Imaging Unit
54
Pc Drum Charge Corona/Image Transfer Corona Unit
56
Cleaning of the PC Drum Charge Corona Housing
56
Cleaning of the Comb Electrode
57
Cleaning of the Image Transfer/Paper Separator Coronas Wires
57
Cleaning of the PC Drum Charge Corona Grid Mesh
57
Cleaning of the Lower Pre-Image Transfer Guide Plate
58
Housing
58
Replacement of the Ozone Filter
58
Fusing Unit
59
Removal of the Fusing Unit
59
Cleaning of the Pre-Fusing Guide Plate
60
Removal of the Upper Fusing Roller
60
Cleaning of the Fusing Thermistor
62
Cleaning of the Upper Fusing Roller
62
Cleaning of the Upper Paper Separator Fingers
62
Removal of the Lower Fusing Roller
62
Cleaning of the Lower Fusing Roller
63
Cleaning of the Lower Paper Separator Fingers
63
Disassembly of the Exit/Duplex Switching Unit (Option
64
Adjustment
68
Jigs and Tools Used
68
Adjustment Requirements List
69
Adjustment of Switches
70
Adjustment of Front Door Interlock Switch S21
70
Electrical/Image Adjustments
71
Adjustment of the Optimum Exposure Setting in the Manual Mode
74
Adjustment of the Optimum Exposure Setting in the Auto Mode
75
Adjustment of the ATDC Sensor
76
Adjustment of the Aperture Blades
77
Adjustment of the Multi Bypass Table Reference Position
78
Cpm Copier Only
78
Adjustment of the Leading Edge Registration
81
Adjustment of the Image Leading Edge Erase Width
85
Adjustment of the Image Erase Lamp Position
87
Other Adjustments
88
Adjustment of the Scanner/Mirrors Carriage Position
88
Adjustment of the Gap between the Doctor Blade and Sleeve Roller
89
Adjustment of the Original Size Detecting Board
90
Miscellaneous
91
4-L. INSTALLATION of the PLUG-IN COUNTER MOUNTING BRACKET (OPTION)
91
Cotnents
93
Cross-Sectional View
95
L - L . Cross-Sectional View of 23 Cpm Copier
95
I-2. Cross-Sectional View of I8 Cpm Copier
95
L-3. Cross-Sectional View of 15 Cpm Copier
95
Copy Process
98
Drive System
100
Sequential Explanation
101
Imaging Unit
106
5-L. Imaging Unit Drive
107
Imaging Unit Toner Recycling
108
Imaging Unit Fuse
108
Pc Drum
109
Drum Charging
110
Image Erase Lamp
111
Optical Section
114
9-I. Exposure Lamp
115
AE Sensor
116
Lamp Reflectors
117
Aperture Plates
117
Scanner and 2Nd/3Rd Mirror Carriage Movement
118
4Th Mirror Movement
120
Lens Movement
121
Original Size Detecting Sensors
122
Sensor Locations
123
4. Size Detection
124
5. Original Size Detection Timing
125
I O-6. Original Cover Angle Detection (23 Cpm Copier Only
126
Development
127
11-L. ATDC Sensor
128
I I-2. Magnet Roller
130
I L-3. Developing Bias
131
I I-4. Doctor Blade
132
5. Sleeve/Magnet Roller Lower Filter
132
Toner Hopper
133
12-L. Toner Hopper Locking/Unlocking
133
Toner Replenishing
133
Shutter
134
Toner Hopper Home Position Detection
134
Toner Bottle Vibration
135
Toner Replenishing Control
136
Paper Take-Up/Feed Section
137
Copier Only
137
13-I .Edge Guide and Trailing Edge Stop
138
13-2.Drawer Positioning
139
13-3.Paper Lifting Plate
139
13-4.Drawer-In-Position Detection
140
13-6.Paper Empty Detection
142
13-7.Paper Separating Mechanism
143
13-9.Paper Take-Up Retry Control
145
13-Lo.vertical PAPER TRANSPORT
146
Multi Bypass Table
147
Paper Take-Up Mechanism
148
14-2.Paper Take-Up Retry Control
149
14-3.Paper Separating Mechanism
150
14-4.Paper Empty Detection
150
Synchronizing Rollers
151
15-L .Upper Synchronizing Roller Positioning
151
15-2.Paper Dust Remover
152
15-3.Synchronizing Roller Control
153
Image Transfer and Paper Separation
154
Main Erase Lamp
156
Paper Separator Fingers
157
Cleaning Unit
158
19-L .Cleaning Bias
159
Paper Transport
160
Fusing Unit
161
Fusing Temperature Control
162
21-2.Fusing Rollers Pressure Mechanism
163
21-3.Cleaning Roller
163
Exit Unit
164
22-L .Upper/Lower Separator Fingers
164
22-2.Paper Exit Sensor
165
Exit/Duplex Switching Unit (Option
166
Dehumidifying Switch (Option
167
Cooling Fan
168
Optical Section Cooling Fan
169
Memory Backup
170
Other Precautions
228
Ep1054/Ep1085/Ep2030 Switches on Pwbs/
231
PRECAUTIONS for HANDLING the Pwbs
232
1-L. Precautions for Transportation and Storage
232
Precautions for Replacement and Inspection
232
Control Panel Keys and Indicators
233
Cpm Copier
235
FUNCTIONS of SWITCHES and OTHER PARTS on Pwbs
239
3-L. PWB Location
239
Tech. Rep. Setting Switches Board
239
User Mode
241
4-L. Functions Available from the User Mode
241
User Mode Setting Procedure
241
User Mode Setting Details
242
Service Mode
247
Service Mode Function Tree
247
Entering the Service Mode
248
Settings in the Service Mode
249
Test
250
Tech. Rep. Choice
251
Altering Fixed Zoom Ratios (for 23 Cpm Copier Only
256
PM Counter and Ports/Options Counter
256
Paper Size Counter
257
Misfeed Counter
258
Malfunction Counter
259
Parts/Supplies Life Counter
260
Paper Size Input (for 23 Cpm Copier Only
261
(Io) Adjust Mode
262
6-L. Functions Available in the Adjust Mode
262
Entering the Adjust Mode
262
Settings in the Adjust Mode
263
Function Setting Requirements at Replacement of Parts
265
Troubleshooting
266
Ep1054/Ep1085/Ep2030
267
Introduction
269
General Precautions
269
L-2. How to Use this Book
269
L-3. Reading the Text
269
I/O Port Check
270
Controlled Parts Check Procedure
270
Port Check List
271
Paper Transport Failure
279
3-L. Paper Misfeed
279
Misfeed Detected Types and Detection Timings
281
Misfeed Clearing Procedures
283
Copier Take-Up Misfeed
283
Take-Up Misfeed (23 Cpm Copier
286
Take-Up Misfeed (23 Cpm Copier
288
Bypass Port Misfeed
290
Transport/Separator Misfeed
292
Fusing/Exit Misfeed
294
Duplex Unit Vertical Transport/Storage Misfeed (23 Cpm Copier
296
Duplex Unit Take-Up Misfeed (23 Cpm Copier
299
Malfunctions
301
Troubleshooting Procedures
307
C0994: Main Tray Elevator M26S Failure to Turn
319
C099A: Shifter Return Failure
321
C099B: Shifter Transfer Failure
321
C0996: 3Rd Drawer Lock Release Failure
323
COF79: Paper Empty Sensor Failure
323
Cod20: Duplex Unit Trailing Gate Unit Home Position Detection Failure Cod50: Duplex Unit Drive Motors Failure to Turn Cod51: Duplex Unit Drive Motor Turning at Abnormal Timing
325
Detection Failure
325
COF30: ATDC Sensor Malfunction
327
COF02: Original Size Detection Error (Defective CPU) COFE2 to COFFE: Original Size Detecting Sensor Failure
328
Power Is Not Turned on
329
5-L. Image Failure Troubleshooting
332
Image Failures
332
Initial Checks
332
Troubleshooting Procedures Classified by Image Failures
333
Blank Copy
334
Black Copy
334
Low Image Density
335
Foggy Background
336
Black Streaks or Bands
337
Black Spots
337
Blank Streaks or Bands
338
Void Areas
339
Smear on Back
339
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