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EP1054
Minolta EP1054 General Instructions
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EP1054/EP1085/EP2030
GENE
RAL
2
Table of Contents
Section 1
2
Default Chapter
2
Table of Contents
2
1 Specifications
3
Specifications of EP2030
3
Specifications of EP1085
6
Specifications of EP1054
9
2 Precautions for Installation
12
3 Precautions for Use
13
4 Handling of the Consumables
14
5 System Options
15
System Options of EP2030
15
System Options of EP1085
16
System Options of EP1054
16
Section 2
18
1 Cross-Sectional View
20
Cross-Sectional View of 23 Cpm Copier
20
Cross-Sectional View of 18 Cpm Copier
21
Cross-Sectional View of 15 Cpm Copier
22
2 Copy Process
23
3 Drive System
25
4 Sequential Explanation
26
5 Imaging Unit
31
Imaging Unit Drive
32
Imaging Unit Toner Recycling
33
Imaging Unit Fuse
33
6 Pc Drum
34
7 Drum Charging
35
8 Image Erase Lamp
36
9 Optical Section
39
Exposure Lamp
40
AE Sensor
41
Lamp Reflectors
42
Aperture Plates
42
Scanner and 2Nd/3Rd Mirror Carriage Movement
43
4Th Mirror Movement
45
Lens Movement
46
10 ORIGINAL SIZE DETECTING SENSORS (23 Cpm COPIER ONLY
47
Original Size Detecting Sensors
47
Original Size Detecting Operation
47
Sensor Locations
48
Size Detection
49
Original Size Detection Timing
50
Original Cover Angle Detection (23 Cpm Copier Only
51
11 Development
52
ATDC Sensor
53
Magnet Roller
55
Developing Bias
56
Doctor Blade
57
Sleeve/Magnet Roller Lower Filter
57
12 Toner Hopper
58
Toner Hopper Locking/Unlocking
58
Toner Replenishing
58
Shutter
59
Toner Hopper Home Position Detection
59
Toner Bottle Vibration
60
Toner Replenishing Control
61
13 PAPER TAKE-UP/FEED SECTION (2ND DRAWER: 23 Cpm COPIER ONLY
62
13-1.Edge Guide and Trailing Edge Stop
63
13-2.Drawer Positioning
64
13-3.Paper Lifting Plate
64
13-4.Drawer-In-Position Detection
65
13-6.Paper Empty Detection
67
13-7.Paper Separating Mechanism
68
13-9.Paper Take-Up Retry Control
70
13-10.Vertical Paper Transport
71
14 Multi Bypass Table
72
14-1.Paper Take-Up Mechanism
72
14-2.Paper Take-Up Retry Control
74
14-3.Paper Separating Mechanism
75
14-4.Paper Empty Detection
75
15 Synchronizing Rollers
76
15-1.Upper Synchronizing Roller Positioning
76
15-2.Paper Dust Remover
77
15-3.Synchronizing Roller Control
78
16 Image Transfer and Paper Separation
79
17 Main Erase Lamp
81
18 Paper Separator Fingers
82
19 Cleaning Unit
83
19-1.Cleaning Bias
84
20 Paper Transport
85
21 Fusing Unit
86
Fusing Temperature Control
87
21-2.Fusing Rollers Pressure Mechanism
88
21-3.Cleaning Roller
88
22 Exit Unit
89
22-1.Upper/Lower Separator Fingers
89
22-2.Paper Exit Sensor
90
23 Exit/Duplex Switching Unit (Option
91
24 Dehumidifying Switch (Option
92
25 Cooling Fan
93
26 Optical Section Cooling Fan
94
27 Memory Backup
95
Switches on Pwbs/ Tech. Rep. Settings
97
1 PRECAUTIONS for HANDLING the Pwbs
98
Precautions for Transportation and Storage
98
Precautions for Replacement and Inspection
98
2 Control Panel Keys and Indicators
99
Cpm Copier
101
Cpm Copier
103
3 FUNCTIONS of SWITCHES and OTHER PARTS on Pwbs
105
PWB Location
105
Tech. Rep. Setting Switches Board
105
4 User Mode
107
Functions Available from the User Mode
107
User Mode Setting Procedure
107
User Mode Setting Details
108
5 Service Mode
113
Service Mode Function Tree
113
Entering the Service Mode
114
Settings in the Service Mode
115
Test
115
Tech. Rep. Choice
117
Altering Fixed Zoom Ratios (for 23 Cpm Copier Only
122
PM Counter and Ports/Options Counter
122
Paper Size Counter
123
Misfeed Counter
124
Malfunction Counter
125
Parts/Supplies Life Counter
126
Display
127
Paper Size Input (for 23 Cpm Copier Only
127
6 Adjust Mode
128
Functions Available in the Adjust Mode
128
Entering the Adjust Mode
128
Settings in the Adjust Mode
129
7 Function Setting Requirements at Replacement of Parts
131
Dis/Reassembly, Adjustment
133
1 Service Instructions
135
INSTRUCTIONS for HANDLING the Pwbs with MOS Ics
135
Handling of the Pc Drum
135
Parts Which Must Not be Touched
138
Other Screws
138
Screws
138
Variable Resistors on Board
138
2 Disassembly/Reassembly
139
Doors, Covers, and Exterior Parts: Identification and Removal Procedures
139
REMOVAL of Pwbs
142
Belt Installations
144
Paper Take-Up/Transport Sections
145
Removal of the Paper Take-Up Unit
145
Cleaning of the Paper Take-Up Rolls
146
Removal of the Paper Take-Up Rolls
146
Removal of the Suction Unit
146
Disassembly of the Suction Unit
147
Replacement of the Paper Lifting Springs (2Nd Drawer): 23 Cpm Copier Only
148
Disassembly of the Multi Bypass Table (15/18 Cpm Copier: OPTION
149
Optical Section
154
Removal of the Lens Drive Cable
154
Winding of the Lens Drive Cable
155
Removal of the Scanner
156
Removal of the Scanner Drive Cable
156
Cleaning of the Exposure Lamp
163
Cleaning of the 1St/2Nd/3Rd Mirrors
164
Cleaning of the Lens and 4Th Mirror
164
Cleaning of the Optical Section Cooling Fan Filter (15/18 Cpm Copier Only
164
Imaging Unit
165
Disassembly, Cleaning, Replacement and Starter Changing of the Imaging Unit
165
Cleaning of the Image Erase Lamp
169
Cleaning of the Main Erase Lamp
169
Pc Drum Charge Corona/Image Transfer Corona Unit
171
Cleaning of the PC Drum Charge Corona Housing
171
Cleaning of the Comb Electrode
172
Cleaning of the Image Transfer/Paper Separator Coronas Wires
172
Cleaning of the PC Drum Charge Corona Grid Mesh
172
Cleaning of the Image Transfer/Paper Separator Coronas Housing
173
Cleaning of the Lower Pre-Image Transfer Guide Plate
173
Replacement of the Ozone Filter
173
Fusing Unit
174
Removal of the Fusing Unit
174
Cleaning of the Pre-Fusing Guide Plate
175
Removal of the Upper Fusing Roller
175
Cleaning of the Fusing Thermistor
177
Cleaning of the Upper Fusing Roller
177
Cleaning of the Upper Paper Separator Fingers
177
Removal of the Lower Fusing Roller
177
Cleaning of the Lower Fusing Roller
178
Cleaning of the Lower Paper Separator Fingers
178
Disassembly of the Exit/Duplex Switching Unit (Option
179
3 Adjustment
183
Jigs and Tools Used
183
Adjustment Requirements List
184
Adjustment of Switches
185
Adjustment of Front Door Interlock Switch S21
185
Electrical/Image Adjustments
186
Adjustment of the Maximum Exposure Lamp Voltage for the Manual Mode
186
Adjustment of the Optimum Exposure Setting in the Manual Mode
189
Adjustment of the Optimum Exposure Setting in the Auto Mode
190
Adjustment of the ATDC Sensor
191
Adjustment of the Aperture Blades
192
Adjustment of the Multi Bypass Table Reference Position
193
Adjustment of the 1St/2Nd (23 Cpm Copier Only) Drawer Reference Position
194
Adjustment of the Paper Lifting Plate Springs (2Nd Drawer): 23 Cpm Copier Only
195
Adjustment of the Leading Edge Registration
196
Adjustment of the Image Leading Edge Erase Width
200
Adjustment of the Image Erase Lamp Position
202
Other Adjustments
203
Adjustment of the Scanner/Mirrors Carriage Position
203
Adjustment of the Gap between the Doctor Blade and Sleeve Roller
204
Adjustment of the Original Size Detecting Board
205
4 Miscellaneous
206
Installation of the Plug-In Counter Mounting Bracket (Option
206
Troubleshooting
208
1 Introduction
210
General Precautions
210
How to Use this Book
210
Reading the Text
210
2 I/O Port Check
211
Controlled Parts Check Procedure
211
Port Check List
212
3 Paper Transport Failure
220
Paper Misfeed
220
Misfeed Detected Types and Detection Timings
222
Misfeed Clearing Procedures
224
Copier Take-Up Misfeed
224
Take-Up Misfeed (23 Cpm Copier
227
Take-Up Misfeed (23 Cpm Copier
229
Bypass Port Misfeed
231
Transport/Separator Misfeed
233
Fusing/Exit Misfeed
235
Duplex Unit Vertical Transport/Storage Misfeed (23 Cpm Copier
237
Duplex Unit Take-Up Misfeed (23 Cpm Copier
240
4 Malfunctions
242
Self-Diagnostic Function
242
C0000: Main Drive Motor's Failure to Turn C0001: Main Drive Motor Turning at Abnormal Timing
242
C0010: PC Drive Motor's Failure to Turn C0011: PC Drive Motor Turning at Abnormal Timing
249
C004C: Cooling Fan Motor's Failure to Turn
250
C0070: Toner Replenishing Motor's Failure to Turn C0071: Toner Replenishing Motor Turning at Abnormal Timing
251
C0400: Exposure Lamp's Failure to Turn on C0410: Exposure Lamp Turning on at Abnormal Timing
252
C0500: Warm-Up Failure C0510: Abnormally Low Fusing Temperature C0520: Abnormally High Fusing Temperature
254
C0600: Scanner Motor Malfunction C0610: Lens Motor Malfunction C0620: Mirror Motor Malfunction
256
C0904: 3Rd Drawer Paper Lift-Up Motor Malfunction
258
C0950: 4Th Drawer Paper Lift-Up Sensor Malfunction
258
C0954: 4Th Drawer Paper Lift-Up Motor Malfunction
258
C0991: Main Tray Downward Motion Failure
260
C0992: Main Tray Downward Motion Failure
260
C0993: Main Tray Upward Motion Failure
260
C0994: Main Tray Elevator M26'S Failure to Turn
260
C0999: Shifter Return Failure
262
C099A: Shifter Return Failure
262
C099B: Shifter Transfer Failure
262
C099C: Shifter Motor M27'S Failure to Turn
262
C099E: Shift Gate Position Detecting Failure C099F: Shift Gate Position Detecting Failure C0996: 3Rd Drawer Lock Release Failure C0F79: Paper Empty Sensor Failure
264
C0D20: Duplex Unit Trailing Gate Unit Home Position Detection Failure C0D50: Duplex Unit Drive Motor's Failure to Turn C0D51: Duplex Unit Drive Motor Turning at Abnormal Timing
266
Detection Failure
266
C0F10: Faulty AE Sensor Level C0F30: ATDC Sensor Malfunction
268
C0F02: Original Size Detection Error (Defective CPU) C0FE2 to C0FFE: Original Size Detecting Sensor Failure
269
Power Is Not Turned on
270
E1, E2
272
5 Image Failures
273
Image Failure Troubleshooting
273
Initial Checks
273
Troubleshooting Procedures Classified by Image Failures
274
Black Copy
275
Blank Copy
275
Low Image Density
276
Foggy Background
277
Black Spots
278
Black Streaks or Bands
278
Blank Streaks or Bands
279
Smear on Back
280
Void Areas
280
Other manuals for Minolta EP1054
Operator's Manual
96 pages
Service Manual
193 pages
5
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Minolta EP1054 Specifications
General
Max Paper Size
A3
Type
Digital
Resolution
400 dpi
Zoom Range
50% - 200%
Power Consumption
1, 500 W
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