SERVICE MANUAL - O. Rensch OHG

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2DC (2) Paper misfeed detection conditions ; ; sensor Exit Registration sensor Figure 1-5-2 1-5-2
Section Jam code Description Conditions System 00 No paper feed 2DC When the main switch is turned on, the machine detects activation of the registration sensor or the exit sensor. 04 Cover open JAM A cover open state is detected during copying. 05 Secondary paper feed timeout When the machine waits for secondary paper feed, 30 s or more have elapsed. Paper feed section 10 No paper feed from the MP tray The registration sensor does not turn on within 1350 ms of the MP feed clutch turning on; the clutch is then successively held off for 1 s and turned back on once, but the sensor again fails to turn on within 1350 ms. 11 No paper feed from the drawer Registration sensor does not turn on within 1120 ms of the feed clutch turning on; the clutch is then successively turned off for 1 s and turned back on once, but the sensor again fails to turn on within 1120 ms. 12 No paper feed from the optional drawer Registration sensor does not turn on within 1160 ms of the feed clutch turning on; the clutch is then successively turned off for 1 s and turned back on once, but the sensor again fails to turn on within 1160 ms. 20 Multiple sheets in the MP tray The registration sensor does not turn off within 5055 ms of the registration clutch turning on (when paper is fed from the MP tray). 21 Multiple sheets in the drawer The registration sensor does not turn off within 5055 ms of the registration clutch turning on (when paper is fed from the drawer). 22 Multiple sheets in the optional drawer The registration sensor does not turn off within 5055 ms of the registration clutch turning on (when paper is fed from the optional drawer). Fixing section 40 Misfeed in the fixing section The exit sensor does not turn on within 2765 ms of the registration clutch turning on. Exit section 50 Misfeed in the exit section The exit sensor does not turn off within 2765 ms of the registration sensor turning off. DP 70 No original feed When the main switch is turned on, the machine detects activation of the DP timing switch. The machine cannot detect activation of the DP timing switch even after 600 ms elapses since the start of primary paper feed and cannot detect it at the same timing even after four times of retry. 71 An original jam in the original conveying section The machine cannot detect deactivation of the DP timing switch even after 4100 ms elapses since the start of secondary paper feed. 1-5-3
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KM-1500 SERVICE MANUAL Published in
Page 3 and 4:
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......
Page 13 and 14: 2DC (2) Operation panel * ⁄ ( ^ @
Page 15 and 16: 2DC 1-3-1 Unpacking and installatio
Page 17 and 18: CAUTIONS • Be sure to hold both t
Page 19 and 20: 2DC 3. Remove the nine tapes, the t
Page 21 and 22: 2DC 3. Remove the process unit from
Page 23 and 24: 2DC 9. Hold the process unit stable
Page 25 and 26: 2DC Connect the power cord. 1. Conn
Page 27 and 28: 2DC 4) Press down on the stopper ex
Page 29 and 30: 2DC 1-3-2 Installing the document p
Page 31 and 32: 2DC CAUTION Be sure to tighten the
Page 33 and 34: 2DC 1-4-1 Maintenance mode The copi
Page 35 and 36: 2DC Section Fixing and cleaning Ope
Page 37 and 38: 2DC Maintenance item No. U005 U019
Page 43 and 44: 2DC Maintenance item No. U087 Descr
Page 63: 2DC 1-5-1 Paper misfeed detection (
Page 67 and 68: Problem Causes/check procedures Cor
Page 69 and 70: 2DC • DP Problem Causes/check pro
Page 71 and 72: 2DC Code Contents Causes Remarks Ch
Page 73 and 74: 2DC Code Contents Causes Remarks Ch
Page 75 and 76: 2DC 1-5-3 Image formation problems
Page 77 and 78: 2DC (3) Image is too light. Causes
Page 79 and 80: 2DC (9) Black dots appear on the im
Page 81 and 82: 2DC (15)Fixing is poor. Causes 1. W
Page 83 and 84: Problem Causes Check procedures/cor
Page 85 and 86: 2DC 1-5-5 Mechanical problems Probl
Page 87 and 88: 2DC 1-6-2 Removing the process unit
Page 89 and 90: 2DC (2) Removing the right cover 1.
Page 91 and 92: 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
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2DC 6. Remove three screws. 7. Remo
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2DC 1-6-12 Removing the ISU unit 1.
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2DC 1-6-13 Removing the exposure la
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2DC 1-6-14 Removing the scanner mir
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2DC 7. Remove three screws and then
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2DC 1-6-16 Removing the main charge
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2DC (2) Adjusting the center line o
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2DC (4) Adjusting the amount of sla
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2DC (6) Adjusting magnification of
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2DC (8) Adjusting the scanner cente
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2DC (10) Adjusting the DP magnifica
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2DC (12) Adjusting the DP trailing
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2DC (14) Adjusting the margins for
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2DC 2-1-1 Paper feeding system The
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2DC (2) Paper feeding mechanism Dri
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2DC Scanner unit Original ISU unit
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2DC 2-1-3 Electrophotographic syste
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2DC (2) Main charging (2-1) Photo c
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2DC (3) Exposure The charged surfac
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(3-2) Drum surface potential The la
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(5) Transfer The image developed by
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2DC (6-1) Fuser unit mechanism 0 !
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2DC 2-2-1 Electrical parts layout (
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2DC 2-3-1 Main board +5V ASIC debug
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(1) Eraser lamp control circuit The
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The AC power for the heater is appl
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(3) Polygon motor control circuit T
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2DC 2-3-4 Bias board The bias board
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(1) Interlock switch The interlock
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2DC 2-3-7 Operation board The opera
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2DC Timing chart No. 1 Continuous c
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2DC Timing chart No. 3 Continuous c
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KYOCERA MITA EUROPE B.V. Hoeksteen
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SERVICE MANUAL - O. Rensch OHG

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