SERVICE MANUAL - O. Rensch OHG

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2DC Maintenance Description item No. U203 Operating DP separately Description Simulates the original conveying operation separately in the DP. Purpose To check the DP. Method 1. Press the start key. 2. Place an original in the DP if running this simulation with paper. 3. Select the item to be operated using the copy exposure adjustment keys. Display (copy exposure indicator) Operation d-P (exp. 1) With paper d-n (exp. 2) Without paper (continuous operation) 4. Press the start key. The operation starts. 5. To stop continuous operation, press the stop/clear key. Completion Press the stop/clear key when the operation stops. The indication for selecting a maintenance item No. appears. U207 Checking the operation panel keys Description Checks operation of the operation panel keys. Purpose To check operation of all the keys and LEDs on the operation panel. Method 1. Press the start key. 2. “1” appears on the copy quantity display and the leftmost LED on the operation panel lights. 3. As the keys on the operation panel are pressed in order from the left to right, the figure shown on the copy quantity display increases in increments of 1. If there is an LED corresponding to the key pressed, the LED will light. 4. When all the keys on the operation panel have been pressed, all the LEDs light for up to 10 seconds. 5. When the LEDs go off, press the start key. All the LEDs light for 10 seconds again. Completion Press the stop/clear key. The indication for selecting a maintenance item No. appears. • After this check starts, the operation cannot be canceled until all the keys are checked. U243 Checking the operation of the DP motors Description Turns the motors in the DP on. Purpose To check the operation of the DP motors. Method 1. Press the start key. 2. Select the motor to be operated using the copy exposure adjustment keys. 3. Press the start key. The operation starts. Indication (copy exposure indicator) Operation F-0 (exp. 1) Drives the original feed system. C-0 (exp. 2) Drives the original conveying system. 4. To turn each motor off, press the stop/clear key. Completion Press the stop/clear key when operation stops. The indication for selecting a maintenance item No. appears. 1-4-20
2DC Maintenance item No. U244 Description Checking the DP switches Description Displays the status of the switches in the DP. Purpose To check if switches in the DP operate correctly. Method 1. Press the start key. "-S-" appears. 2. Manually turn on and off each switch to check the status. When the on-status of a switch is detected, the image mode LED corresponding to the operated switch lights. Image mode LEDs Description DP original detection switch DP timing switch DP open/close switch DP original cover switch U252 : Off, : On Completion Press the stop/clear key. The indication for selecting a maintenance item No. appears. Setting the destination Description Switches the operations and screens of the machine according to the destination. Purpose To return the destination setting to its default setting after initializing the backup RAM by running maintenance item U020. Method Press the start key. Setting 1. Select the destination using the zoom +/– keys. Display Description Inc Inch (North America) specifications EUP Metric (Europe) specifications ASA Metric (Asia Pacific) specifications 2. Press the start key. The setting is set, and the machine automatically returns to the same status as when the power is turned on. Completion To exit this maintenance item without changing the current count, press the stop/clear key. The indication for selecting a maintenance item No. appears. 1-4-21
Page 1 and 2: KM-1500 SERVICE MANUAL Published in
Page 3 and 4: Safety precautions This booklet pro
Page 5 and 6: 1. Installation Precautions WARNING
Page 7 and 8: • Do not pull on the AC power cor
Page 9 and 10: 2DC (8) The eraser lamp does not tu
Page 11 and 12: 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 51: 2DC Maintenance item No. U162 U163
Page 63 and 64: 2DC 1-5-1 Paper misfeed detection (
Page 65 and 66: Section Jam code Description Condit
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
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 and 144:
2DC (2) Paper feeding mechanism Dri
Page 145 and 146:
2DC Scanner unit Original ISU unit
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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