2K8
1-4-10
4002 Polygon motor MC error
The polygon motor MC ready input is not
given for 10 seconds during the polygon
motor MC is ON.
Defective harness
between polygon
motor MC and
engine PWB
(YC30), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective laser
scanner unit MC.
Replace the laser scanner unit MC (See
page 1-5-37).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
29).
4201 Laser output error (Black)
The pin photo signal (PDN) is not output
from PD PWB K for one second while
laser is emitted.
Defective harness
between APC
PWB K and engine
PWB (YC29), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective APC
PWB K.
Replace the laser scanner unit YK (See
page 1-5-37).
Defective PD PWB
K.
Replace the laser scanner unit YK (See
page 1-5-37).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
29).
4202 Laser output error (Cyan)
The pin photo signal (PDN) is not output
from PD PWB C for one second while
laser is emitted.
Defective harness
between APC
PWB C and engine
PWB (YC30), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective APC
PWB C.
Replace the laser scanner unit MC (See
page 1-5-37).
Defective PD PWB
C.
Replace the laser scanner unit MC (See
page 1-5-37).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
29).
4203 Laser output error (Magenta)
The pin photo signal (PDN) is not output
from PD PWB M for one second while
laser is emitted.
Defective harness
between APC
PWB M and engine
PWB (YC30), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective APC
PWB M.
Replace the laser scanner unit MC (See
page 1-5-37).
Defective PD PWB
M.
Replace the laser scanner unit MC (See
page 1-5-37).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
29).
Code Contents
Remarks
Causes Check procedures/corrective measures