Minolta EP1052 Specifications Page 121
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Interleaf EP1052 DIS/REASSEMBLY, ADJUSTMENT
96.11.01
D-2
1139SBD0102A
1-2. INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs
The following precautions must be observed when handling P.W. Boards with MOS (Metal Oxide
Semiconductor) ICs.
During Transportation/Storage:
D During transportation or when in storage, new P.W. Boards must not be indiscriminately removed from
their protective conductive bags.
D Do not store or place P.W. Boards in a location exposed to direct sunlight.
D When it becomes absolutely necessary to remove a Board from its conductive bag or case, always place
it on its conductive mat in an area as free as possible from static electricity.
D Do not touch the pins of the ICs with your bare hands.
During Replacement:
D Before unplugging connectors from the P.W. Boards, make sure that the power cord has been unplugged
from the outlet.
D When removing a Board from its conductive bag or conductive case, do not touch the pins of the ICs or
the printed pattern. Place it in position by holding only the edges of the Board.
D Before plugging connectors into the Board, make sure that the power cord has been unplugged from the
power outlet.
During Inspection:
D Avoid checking the IC directly with a multimeter; use connectors on the Board.
D Never create a closed circuit across IC pins with a metal tool.
D When it is absolutely necessary to touch the ICs and other electrical components on the Board, be sure
to ground your body.
1151SBD0103A
1-3. HANDLING OF THE PC DRUM
During Transportation/Storage:
D Use the specified carton whenever moving or storing the PC Drum.
D The storage temperature is in the range between –20°C and +40°C.
D In summer, avoid leaving the PC Drum in a car for a long time.
Handling:
D Ensure that the correct PC Drum is used.
D Whenever the PC Drum has been removed from the copier, store it in its container or protect it with a Drum
Cloth.
D The PC Drum exhibits greatest light fatigue after being exposed to strong light over an extended period
of time. Never, therefore, expose it to direct sunlight.
D Use care not to contaminate the surface of the PC Drum with oil-base solvent, fingerprints, and other for-
eign matter.
D Do not scratch the surface of the PC Drum.
D Do not apply chemicals to the surface of the PC Drum.
D Do not attempt to wipe clean the surface of the PC Drum.
- GENERAL 1
- MECHANICAL/ 1
- ELECTRICAL 1
- SAFETY INFORMATION 5
- SPECIFICATIONS1 7
- L: Lengthwise; C: Crosswise 8
- PRECAUTIONS FOR INSTALLATION2 10
- PRECAUTIONS FOR USE3 11
- HANDLING OF THE CONSUMABLES4 12
- SYSTEM OPTION5 13
- CROSS-SECTIONAL VIEW1 15
- COPY PROCESS2 16
- DRIVE SYSTEM3 18
- SEQUENTIAL EXPLANATION4 19
- Fusing Heater Lamp H1 20
- D The Start Key is pressed 21
- E Paper is taken up 21
- F A scan motion is completed 22
- PC DRUM5 24
- IMAGING UNIT6 25
- 6-1. Imaging Unit Drive 26
- Toner Recycling Path 27
- Toner Supply Port 27
- Toner Recycling Coil 27
- Bevel Gears 27
- DEVELOPMENT7 28
- Magnet Roller 32
- Bias Terminal 32
- CLEANING UNIT8 34
- 8-1. Cleaning Bias 35
- TONER HOPPER9 36
- 9-5. Toner Bottle Vibration 38
- DRUM CHARGING10 40
- IMAGE ERASE LAMP11 41
- :ON; y:OFF 42
- LA3 PWB-A PJ17A-4 ~ 9 L H 2-F 43
- OPTICAL SECTION12 44
- Auxiliary Reflector 47
- Main Reflector 47
- Exposure Lamp LA1 47
- Aperture Plate 47
- M7 PWB-A PJ16A-2 L H 19-I 50
- PC86 PWB-A PJ20A-2 L H 20-M 50
- M6 PWB-A PJ16A-1 L H 19-I 51
- PC90 PWB-A PJ20A-5 L H 20-M 51
- MAIN ERASE LAMP14 52
- PAPER SEPARATOR FINGERS16 55
- SL1 PWB-A PJ14A-2 L H 14-A 56
- PAPER TAKE-UP/FEED SECTION17 57
- Trailing Edge Stop Edge Guide 58
- Lock Lever 58
- Drawer Side 58
- <Control> 60
- 1158SBM1705A 61
- 1151M003AA 61
- Paper Take-Up Roll 63
- Separator Finger 63
- SL2 PWB-A PJ7A-9 L H 25-C 65
- PC55 PWB-A PJ7A-2 H L 25-B 65
- VERTICAL PAPER TRANSPORT18 66
- SYNCHRONIZING ROLLERS19 67
- CL1 PWB-A PJ6A-4 L H 2-N 69
- PC54 PWB-A PJ18A-2 L H 14-D 69
- PAPER TRANSPORT20 70
- FUSING UNIT21 71
- EXIT UNIT22 74
- 22-2. Paper Exit Sensor 75
- D H2, H3 ON/OFF Conditions 76
- Feed Roll 80
- Separator Roll 80
- 25-3. Paper Empty Detection 81
- COOLING FAN27 82
- OPTICAL SECTION COOLING FAN28 83
- MEMORY BACKUP29 84
- EP1052_GM 85
- SWITCHES ON PWBs/ 86
- TECH. REP. SETTINGS 86
- 1151SBS0100A 88
- 1151SBS0101A 88
- 1151SBS0102A 88
- 1158SBS0200A 89
- 3-1. PWB Location 91
- USER MODE4 93
- [User Mode] 94
- SERVICE MODE5 96
- 1151SBS0502A 97
- [Service Mode " Test] 98
- 2. Tech. Rep. Choice 100
- 1158SBS050303A 104
- 4. Paper Size Counter 105
- 5. Misfeed Counter 105
- 6. Malfunction Counter 106
- 1158SBS050307A 107
- 8. Display 108
- [Service Mode " Display] 108
- ADJUST MODE6 109
- 1151SBS0603A 110
- 1151SBS0700A 112
- EP1052_S 113
- MINOLTA CO., LTD 113
- DIS/REASSEMBLY 114
- ADJUSTMENT 114
- 1151SBD0000A 115
- CONTENTS 117
- SERVICE INSTRUCTIONS1 120
- 1-3. HANDLING OF THE PC DRUM 121
- (1) Screws 123
- (3) Other Screws 123
- DISASSEMBLY/REASSEMBLY2 124
- 2-2. REMOVAL OF PWBs 127
- 2-3. BELT INSTALLATIONS 129
- 1158D021AA 130
- 1142D007AA 130
- 1158D024AA 130
- 1158D022AA 130
- 1158D023AA 130
- 1151D029AA 131
- 1151D030AA 131
- 1151D004AA 131
- 1151D005AA 132
- 1151D006AA 132
- 1151D009AA 132
- 1151D018AA 134
- 2-5. OPTICAL SECTION 137
- 1151D032AA 140
- 1151D033AA 142
- (5) Removal of the Scanner 143
- 2-6. Imaging Unit 145
- 1151D034AA 149
- 1151D035AA 149
- 1151D036AA 150
- 1151D037AA 151
- 2-8. Fusing Unit 153
- 1151D011AA 155
- 1151D012AA 155
- 1151D013AA 155
- 1151D014AA 155
- 1151D039AA 156
- 96.11.01 158
- 2. Remove the front bushing 158
- ADJUSTMENT3 159
- 3-3. ADJUSTMENT OF SWITCHES 161
- Microswitches 161
- 1139D270AA 166
- <OPTION> 170
- Full Size 172
- Enlargement 174
- Reduction 175
- 3-5. OTHER ADJUSTMENTS 179
- MISCELLANEOUS4 182
- EP1052_D 183
- TROUBLESHOOTING 184
- INTRODUCTION1 187
- I/O PORT CHECK2 188
- 2-2. Port Check List 190
- (Copier) 190
- PAPER TRANSPORT FAILURE3 193
- 1158SBT030101A 196
- 1-2. Copier Take-Up Misfeed 197
- 1-3. Bypass Port Misfeed 200
- 1158SBT030104A 202
- 1151C24TAA 202
- 1-5. Fusing/Exit Misfeed 205
- 2. Wrinkles in Paper 207
- 3. Double Feed 207
- 4. Skewed Feed 208
- MALFUNCTIONS4 209
- 1151SBT040101A 211
- 1151C18TAA 211
- 1151SBT040102A 213
- 1151C17TAA 213
- 1151C16TAA 215
- 1151SBT040103A 215
- 1151SBT040104A 217
- 1151C09TAA 217
- 1151SBT040105A 219
- 1151C03TAA 219
- 1151SBT040106A 221
- 1151C14TAA 221
- C0610: Lens Motor malfunction 223
- 1158SBT040084A 225
- 1151C10TAA 225
- 1158SBT040109A 227
- 2. Power is not Turned ON 229
- 3. E1, E2 231
- EP1052_T 233
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