4204-4600-4700 Codes; 4204 Laser Output Error (Yellow); 4600 Lsu Cleaning Motor Error; 4700 Video Asic Device Error - Kyocera FS-C5350DN Service Manual

Code
4204 Laser output error (Yellow)
The pin photo signal (PDN) is not output
from PD PWB Y for one second while
laser is emitted.
4600 LSU cleaning motor error
When the LSU cleaning motor is driven,
the LSU cleaning motor over-current
detection signal is detected continu-
ously for 50 times (5 s) at 100 ms inter-
vals.
4700 VIDEO ASIC device error
Contents
Causes Check procedures/corrective measures
Defective harness Reinsert the connector. Also check for conti-
between APC nuity within the connector harness. If none,
PWB Y and engine remedy or replace the harness.
PWB (YC29), or
improper connec-
tor insertion.
Defective APC Replace the laser scanner unit YK (See
PWB Y. page 1-5-37).
Defective PD PWB Replace the laser scanner unit YK (See
Y. page 1-5-37).
Defective engine Replace the engine PWB (See page 1-5-
PWB. 29).
Defective harness Reinsert the connector. Also check for conti-
between LSU nuity within the connector harness. If none,
cleaning motor and remedy or replace the harness.
engine PWB
(YC37), or
improper connec-
tor insertion.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem of the LSU gears. Check for broken gears and replace if
cleaning motor. any.
Defective LSU Replace the LSU cleaning motor.
cleaning motor.
Defective engine Replace the engine PWB (See page 1-5-
PWB. 29).
Faulty connection Check the installation of the main PWB and
of the connector engine PWB and reinstall them if necessary
between the main (See page 1-5-28 and 1-5-29).
PWB and engine
PWB.
Defective main Replace the main PWB (See page 1-5-28).
PWB.
Defective engine Replace the engine PWB (See page 1-5-
PWB. 29).
Remarks
2K8
1-4-11