Minolta EP3010 Manual page 274

C03## Master Board/Harness Malfunctions
• The copier performs a self-diagnostic sequence to determine if the microprocessor out-
puts a signal to each of the IC ports on Master Board PWB-A properly. It is intended for
detecting the following malfunctions (C03##).
• Any malfunction is detected when the "Controller Board Check" available from the "I/O
Check" function of the Tech. Rep. mode is executed.
• If the microprocessor fails to output any of these signals or if any of the electronic compo-
nents on the board (driver IC, etc.) is faulty, the copier determines that there is a faulty
condition existing and shows the corresponding malfunction code on the Touch Panel.
• C0350, C0351 or C0352 is displayed when there is a communication fault between the
copier and paper feeder option or Duplex Unit, and is 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 AVR REM signal
C0313 AE Sensor Board PWB-H PWM signal
C0314 Copy vendor count (during copy cycle)
C0315 Copy vendor count (size)
2nd Drawer Paper Take-Up Motor M12 energization IC3A φ1
C0316
1st Drawer Paper Take-Up Motor M11 energization IC3A φ0
C0317
C0318 Original size detection
C0319 Original size detection marketing area 2
C031A Original size detection marketing area 1
C031B Main Drive Motor M9 REM signal
C031C Separator/Developing Bias output REM signal
C031D PC Drum Charge/Image Transfer output REM signal IC4A BPA6
C031E Exit/Duplex Switching Solenoid SL5
C031F Synchronizing Roller Clutch
C0320 Paper Transport Clutch CL2
C0321 PC Drive Motor M1 REM signal
C0322 Main Erase Lamp LA2 REM signal
C0323 Separator Solenoid SL1 REM signal
C0324 Toner Replenishing Motor M8 REM signal
C0325 2nd Drawer Paper Lift-Up Motor (–)
C0326 2nd Drawer Paper Lift-Up Motor (+)
C0327 1st Drawer Paper Lift-Up Motor (–)
C0328 1st Drawer Paper Lift-Up Motor (+)
C0329 2nd Drawer Paper Take-Up Motor M12 ENABLE IC5A APA1
C032A 1st Drawer Paper Take-Up Motor M11 ENABLE IC5A APA0
C032B Image Erase Lamp 2
C032C Image Erase Lamp 1
C032D Image Erase Lamp 0
Description
T-37
Master Board Port
—
IC1A P45
IC1A P57
IC1A P61
IC1A P60
IC3A APA1
IC3A APA0
IC4A APA7
IC4A APA6
IC4A APA5
IC4A APC2
IC4A BPA7
IC4A BPA5
IC4A BPA4
IC4A BPA3
IC4A BPA2
IC4A BPA1
IC4A BPA0
IC4A BPC3
IC5A APA7
IC5A APA6
IC5A APA5
IC5A APA4
IC5A APB7
IC5A APB6
IC5A APB5