WorkCentre Pro 423/428 2-148 CHAPTER 2 TROUBLESHOOTING
03/02 How to use the Diagnostic C/E Mode
Chain Function Part/Signal Ref. BSD
6 74 LD Quantity of Light Check (400dpi)
6 75 ROS Motor Number of Rotations (600dpi)
6 76 ROS Motor Number of Rotations (400dpi)
7 29 MSI Guide Paper Width Sensor
If the value is greater than 250, the balance after
deduction of 250 is displayed.
8 1 MAIN MOTOR ON
8 2 TTM FEED MOTOR
8 10 REGI CLUTCH
8 11 T/A ROLL CLUTCH
8 12 TRAY1 FEED CLUTCH
8 13 TRAY2 FEED CLUTCH
8 14 TRAY3 FEED CLUTCH
8 15 TRAY4 FEED CLUTCH
8 17 MSI FEED SOLENOID
8 38 DUP MOTOR (Slow)
8 39 DUP MOTOR (Fast)
8 51 EXIT GATE SOLENOID
8 60 EXIT MOTOR Test (Forward Fast)
8 61 EXIT MOTOR Test (Forward Slow)
8 62 EXIT MOTOR Test (Rear Fast)
8 63 EXIT MOTOR Test (Rear Slow)
9 1 MAIN MOTOR ON
9 20 DEVE BIAS Test (DC&AC)
9 21 DEVE CLOCK CHANGE 34
9 22 DEVE BIAS AC600 Test
9 23 BCR (AC)
9 24 BCR (DC)
926 BTR SEL
927 DTS
930 BTR DA
10 4 FUSER FAN MOTOR (High Speed)
10 6 OFFSET MOTOR Forward Run
Chain Function Part/Signal Ref. BSD
10 7 OFFSET MOTOR Backward Run
10 51 EXIT GATE SOLENOID
10 60 EXIT MOTOR Test (Forward Fast)
10 61 EXIT MOTOR Test (Forward Slow)
10 62 EXIT MOTOR Test (Rear Fast)
10 63
EXIT MOTOR Test (Rear Sow)
12 21 FINISHER TRANSFER MOTOR
12 22 FINISHER COMPILE MOTOR
12 23 FINISHER PADDLE SOLENOID
12 24 FINISHER EXIT UNIT UP/DOWN SOLENOID
12 25 FINISHER LEVER SOLENOID
12 26
FINISHER FEED MOTOR (Reverse)
(STAPLER Unit Moving)
12 27 FINISHER TRAY ELEVATOR MOTOR (Up)
12 28 FINISHER TRAY ELEVATOR MOTOR (Down)
12 29 FINISHER STAPLER MOTOR
12 30 FINISHER REVERSE MOTOR (Forward Run)
12 31 FINISHER REVERSE MOTOR (Backward Run)
12 32 FINISHER FEED MOTOR
15 1 HD Inspection and Removal of Defective Blocks
15 4 Reliability Test
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