Minolta EP5000 General, Mechanical/Electrical page 319

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
C02## Corona Malfunction
* Code
PC Drum Charge, Image Transfer, Pa-
C0200 per Separator Corona malfunction
C03## Master Board/Harness Malfunctions
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
C0300 Port diagnosis cannot be started.
C0310 Drum Dehumidifying Heater H2 REM signal
C0311 Fusing Heater Lamp H1 REM signal
C0312 Exposure Lamp Regulator PWB-J REM signal
C0313 AE Sensor Board PWB-H PWM signal
C0314 Image Erase Lamp LA3 DATA
C0315 Image Erase Lamp LA3 MODE
C0316 Image Erase Lamp LA3 CLOCK
C0317 Image Erase Lamp LA3 STROBE
C0318 Copy vendor count (during copy cycle)
C0319 Copy vendor count (size)
C031A 2nd Drawer Paper Take-Up Motor M12 energization
C031B 1st Drawer Paper Take-Up Motor M11 energization
C031C Original size detection
C031D Original size detection, marketing area 2
C031E Original size detection, marketing area 1
C031F Scanner Motor M2 SCAN signal
C0320 Scanner Motor M2 ENABLE signal
C0321 Fusing Section Cooling Fan Motor M15 REM signal
C0322 Separator/Developing Bias output REM signal
C0323 PC Drum Charge/Image Transfer output REM signal
C0324 Exit/Duplex Switching Solenoid SL5
C0325 Synchronizing Roller Clutch CL2
C0326 Paper Transport Clutch CL1
C0327 Main Drive Motor M1 REM signal
C0328 Main Erase Lamp LA2 REM signal
C0329 Separator Solenoid SL1 REM signal
1156SBT040102A
Description
The leak signal (SCD) turns ON after the PC
Drum Charge and Image Transfer/Paper Sep-
arator Corona output has been turned ON.
Description
T-44
Detection Timing
1156SBT040103A
Master Board Port
—
IC1A P45
IC1A P57
IC1A P61
IC1A P60
IC1A P64
IC1A P65
IC1A P66
IC1A P67
IC3A APA1
IC3A APA0
IC3A φ1
IC3A φO
IC4A APA7
IC4A APA6
IC4A APA5
IC4A APC0
IC4A APC1
IC4A APC2
IC4A BPA7
IC4A BPA6
IC4A BPA5
IC4A BPA4
IC4A BPA3
IC4A BPA2
IC4A BPA1
IC4A BPA0