Kyocera ECOSYS M2030dn/PN Service Manual page 134

Code Contents
3500 CPU - ASIC (CCD PWB) communi-
cation error
An error code is detected.
4000 Polygon motor (laser scanner
unit) error
The polygon motor ready input is not
given for 6 s during the polygon
motor is ON.
4200 BD error (laser scanner unit) error BD sensor does
4700 VIDEO ASIC device error
Mismatch of reading data from two
locations occurs eight times succes-
sively.
Mismatch between writing data and
reading data occurs eight times suc-
cessively.
Causes
Defective FFC Replace the image scanner unit (ISU)
between CCD (See page 1-5-21).
PWB (YC1) and
control PWB
(YC8).
Defective CCD Replace the CCD PWB.
PWB.
Defective control Replace the control PWB (See page 1-
PWB. 5-37).
Defective har- Reinsert the connector. Also check for
ness between continuity within the connector har-
polygon motor ness. If none, remedy or replace the
and control PWB harness.
(YC10), or
improper con-
nector insertion.
Defective laser Replace the laser scanner unit (See
scanner unit. page 1-5-17).
Defective control Replace the control PWB (See page 1-
PWB. 5-37).
Turn machine power off for at least 30
not detect laser minutes, then turn machine on again. If
beam due to con- not cured, replace the laser scanner
densation on the unit (See page 1-5-17).
polygon mirror.
Defective laser Replace the laser scanner unit (See
scanner unit. page 1-5-17).
Defective control Replace the control PWB (See page 1-
PWB. 5-37).
Reinsert the connector. Also check for
Defective con-
nector cable or continuity within the connector cable. If
poor contact in none, replace the cable.
the connector.
Defective control Replace the control PWB (See page 1-
PWB. 5-37).
1-4-12
2PK/2PL/2PM/2PN
Remarks
Check procedures
/corrective measures