Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-44
C02## Corona Malfunction 1156SBT040102A
* Code Description Detection Timing
C0200
PC Drum Charge, Image Transfer, Pa-
per Separator Corona malfunction
The leak signal (SCD) turns ON after the PC
Drum Charge and Image Transfer/Paper Sep-
arator Corona output has been turned ON.
C03## Master Board/Harness Malfunctions 1156SBT040103A
D The copier performs a self-diagnostic sequence to determine if the microprocessor outputs a signal to
each of the IC ports on Master Board PWB-A properly. It is intended for detecting the following malfunc-
tions (C03##).
D Any malfunction is detected when “Controller Board Check” available from the “I/O Check” function of the
Tech. Rep. mode is executed.
D If the microprocessor fails to output any of these signals or if any of the electronic components on the board
(driver IC, etc.) is faulty, the copier determines that there is a faulty condition existing and shows the corre-
sponding malfunction code on the Touch Panel.
D C0350, C0351, C0352, C0353, or C0357 is displayed when there is a communication fault between the
copier and paper feeder option or Duplex Unit, and detected as an isolated malfunction when the Power
Switch is turned ON.
*
Code Description Master Board Port
C0300 Port diagnosis cannot be started. —
C0310 Drum Dehumidifying Heater H2 REM signal IC1A P45
C0311 Fusing Heater Lamp H1 REM signal IC1A P57
C0312 Exposure Lamp Regulator PWB-J REM signal IC1A P61
C0313 AE Sensor Board PWB-H PWM signal IC1A P60
C0314 Image Erase Lamp LA3 DATA IC1A P64
C0315 Image Erase Lamp LA3 MODE IC1A P65
C0316 Image Erase Lamp LA3 CLOCK IC1A P66
C0317 Image Erase Lamp LA3 STROBE IC1A P67
C0318 Copy vendor count (during copy cycle) IC3A APA1
C0319 Copy vendor count (size) IC3A APA0
C031A 2nd Drawer Paper Take-Up Motor M12 energization IC3A φ1
C031B 1st Drawer Paper Take-Up Motor M11 energization IC3A φO
C031C Original size detection IC4A APA7
C031D Original size detection, marketing area 2 IC4A APA6
C031E Original size detection, marketing area 1 IC4A APA5
C031F Scanner Motor M2 SCAN signal IC4A APC0
C0320 Scanner Motor M2 ENABLE signal IC4A APC1
C0321 Fusing Section Cooling Fan Motor M15 REM signal IC4A APC2
C0322 Separator/Developing Bias output REM signal IC4A BPA7
C0323 PC Drum Charge/Image Transfer output REM signal IC4A BPA6
C0324 Exit/Duplex Switching Solenoid SL5 IC4A BPA5
C0325 Synchronizing Roller Clutch CL2 IC4A BPA4
C0326 Paper Transport Clutch CL1 IC4A BPA3
C0327 Main Drive Motor M1 REM signal IC4A BPA2
C0328 Main Erase Lamp LA2 REM signal IC4A BPA1
C0329 Separator Solenoid SL1 REM signal IC4A BPA0
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