SERVICE MANUAL - O. Rensch OHG

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2DC 2-1-2 Original scanning system The scanner unit consists of the image scanning unit (ISU) for main-direction scanning, and drive part for traveling the ISU unit to sub-direction. 2 5 % ^ & ⁄ * 1 $ 4 ! ( ¤ 9 # @ 8 › )‹ 6 7 3 0 Figure 2-1-4 Scanner unit 1 Original holder 2 Scanner upper frame 3 Scanner lower frame 4 Contact glass 5 DP Contact glass 6 Scanner rail 7 Scanner motor mount 8 Tension pulley mount 9 Scanner belt 0 Scanner motor ! Tension pulley @ Scanner gear 45/18 # Scanner gear 39/22 $ Scanner shaft % ISU housing ^ CCD image sensor & Exposure lamp * Exposure lamp mount ( CCD board ) ISU lens ⁄ Mirror A ¤ Mirror B ‹ Mirror A › Scanner home position sensor 2-1-4
2DC Scanner unit Original ISU unit Exposure lamp Inverter board LAMP YC2-2 CCD image sensor CCD board YC1-4 YC1-5 YC1-14 YC1-12 YC1-10 YC1-8 YC1-6 YC1-18 YC1-20 YC1-22 Scanner board SW SWN CCDCLKN CCDCLK RSN CPN SH CCDG(O) CCDB(E) CCDR Main board YC1-2 YC1-3 YC1-4 YC1-5 YC1-8 YC1-10 YC1-12 YC1-16 YC1-18 YC1-20 Scanner home position sensor YC1-29, 30 YC6-2, 1 YC3-4 YC3-3 YC3-2 LAMP LAMPHI LAMPLOW Engine board YC11-10 YC11-11 YC11-12 Scanner motor CN11-1– CN11-4 CN10-4 Figure 2-1-5 Scanner control circuit block diagram 2-1-5
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KM-1500 SERVICE MANUAL Published in
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Safety precautions This booklet pro
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1. Installation Precautions WARNING
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• Do not pull on the AC power cor
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2DC (8) The eraser lamp does not tu
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2DC 1-1-1 Specifications Type......
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2DC (2) Operation panel * ⁄ ( ^ @
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2DC 1-3-1 Unpacking and installatio
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CAUTIONS • Be sure to hold both t
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2DC 3. Remove the nine tapes, the t
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2DC 3. Remove the process unit from
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2DC 9. Hold the process unit stable
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2DC Connect the power cord. 1. Conn
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2DC 4) Press down on the stopper ex
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2DC 1-3-2 Installing the document p
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2DC CAUTION Be sure to tighten the
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2DC 1-4-1 Maintenance mode The copi
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2DC Section Fixing and cleaning Ope
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2DC Maintenance item No. U005 U019
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2DC Maintenance item No. U087 Descr
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2DC 1-5-1 Paper misfeed detection (
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Section Jam code Description Condit
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Problem Causes/check procedures Cor
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2DC • DP Problem Causes/check pro
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2DC Code Contents Causes Remarks Ch
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2DC Code Contents Causes Remarks Ch
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2DC 1-5-3 Image formation problems
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2DC (3) Image is too light. Causes
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2DC (9) Black dots appear on the im
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2DC (15)Fixing is poor. Causes 1. W
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Problem Causes Check procedures/cor
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2DC 1-5-5 Mechanical problems Probl
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2DC 1-6-2 Removing the process unit
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2DC (2) Removing the right cover 1.
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2DC 1-6-5 Removing the MP feed roll
Page 93 and 94: 2DC 1-6-6 Removing the transfer rol
Page 95 and 96: 2DC (2) Removing the main board 1.
Page 97 and 98: 2DC (3) Removing the power supply b
Page 99 and 100: 2DC 1-6-8 Removing the main motor a
Page 101 and 102: 2DC 10. Remove the main board (See
Page 103 and 104: 2DC 1-6-9 Removing and splitting th
Page 105 and 106: 2DC (1) Removing the separation cla
Page 107 and 108: 2DC (3) Removing the heat roller WA
Page 109 and 110: 2DC (4) Removing the thermistor 1.
Page 111 and 112: 2DC (6) Removing the press roller W
Page 113 and 114: 2DC 4. Remove the two screws. 5. Sl
Page 115 and 116: 2DC 6. Remove three screws. 7. Remo
Page 117 and 118: 2DC 1-6-12 Removing the ISU unit 1.
Page 119 and 120: 2DC 1-6-13 Removing the exposure la
Page 121 and 122: 2DC 1-6-14 Removing the scanner mir
Page 123 and 124: 2DC 7. Remove three screws and then
Page 125 and 126: 2DC 1-6-16 Removing the main charge
Page 127 and 128: 2DC (2) Adjusting the center line o
Page 129 and 130: 2DC (4) Adjusting the amount of sla
Page 131 and 132: 2DC (6) Adjusting magnification of
Page 133 and 134: 2DC (8) Adjusting the scanner cente
Page 135 and 136: 2DC (10) Adjusting the DP magnifica
Page 137 and 138: 2DC (12) Adjusting the DP trailing
Page 139 and 140: 2DC (14) Adjusting the margins for
Page 141 and 142: 2DC 2-1-1 Paper feeding system The
Page 143: 2DC (2) Paper feeding mechanism Dri
Page 147 and 148: 2DC 2-1-3 Electrophotographic syste
Page 149 and 150: 2DC (2) Main charging (2-1) Photo c
Page 151 and 152: 2DC (3) Exposure The charged surfac
Page 153 and 154: (3-2) Drum surface potential The la
Page 155 and 156: (5) Transfer The image developed by
Page 157 and 158: 2DC (6-1) Fuser unit mechanism 0 !
Page 159 and 160: 2DC 2-2-1 Electrical parts layout (
Page 161 and 162: 2DC 2-3-1 Main board +5V ASIC debug
Page 163 and 164: (1) Eraser lamp control circuit The
Page 165 and 166: The AC power for the heater is appl
Page 167 and 168: (3) Polygon motor control circuit T
Page 169 and 170: 2DC 2-3-4 Bias board The bias board
Page 171 and 172: (1) Interlock switch The interlock
Page 173 and 174: 2DC 2-3-7 Operation board The opera
Page 175 and 176: 2DC Timing chart No. 1 Continuous c
Page 177 and 178: 2DC Timing chart No. 3 Continuous c
Page 179: KYOCERA MITA EUROPE B.V. Hoeksteen
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SERVICE MANUAL - O. Rensch OHG

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