Description: Optional paper feeder PF-60 (Top) paper feed motor error
Paper feed motor error in the top optional paper feederpap
Causes: Defective gate array U7 on the engine board (KP- 1081). Defective harness (S03022) between engine board and optional unit interface connector. Defective paper feeder PF-60.
Code: 2620
Description: Optional paper feeder PF-60 (Middle) paper feed motor error
Paper feed motor error in the middle optional paper feeder.D
Causes: Defective gate array U7 on the engine board (KP- 1081). Defective harness (S03022) between engine board and optional unit interface connector. Defective optional paper feeder PF- 60.
Code: 2630
Description: Optional paper feeder PF-60 (bottom) paper feed motor error
Paper feed motor error in the bottom optional paper feeder.D
Causes: Defective gate array U7 on the engine board (KP- 1081). Defective harness (S03022) between engine board and optional unit interface connector. Defective paper feeder PF-60.
Code: 4000
Description: Laser scanner unit (Polygon motor) error
POLRDY* does not go low within 20 seconds after POLON* goes low (When starting) or within 16 seconds after REGPAP signal goes high (during printing).
Causes: Defective gate array U7 on the engine board. Defective polygon motor. Improper connector insertion. Defective harness between laser scanner unit and engine board.
Code: 4200
Description: Laser scanner unit (Pin photo diode sensor) error
Laser beam detection failed. The pin photo diode sensor [board] (KP-1075) does not deliver a horizontal synchronous signal (PD*).
Causes: No laser beam due to the laser diode defect (PD). Soiled or defective pin photo diode sensor. Defective gate array U7 of engine board. Improper connector insertion. Defective harness between engine board and laser scanner unit.
Code: 5300
Description: Eraser lamp error
The ERADEAD* signal (delivered from the eraser lamp blown-out detection circuit on the engine board) goes low continuously more than 1 second, while eraser lamp is on.
Causes: Blown-out eraser lamp [board KP- 1067]. Defective CPU U1 on the engine board. Improper connector insertion to the eraser lamp [board KP-1067].