2HA/2HB
1-4-18
C4200
BD steady-state problem
The MIC detects a BD error for 600 ms
after the polygon motor rotation has
been stabilized.
Defective laser
diode.
Replace the LSU.
Defective polygon
motor.
Replace the LSU.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C6000
Broken fuser heater wire
The temperature does not become
100
°
C/212
°
F even if 30 s pass before
secondary stabilization.
When there is no 1
°
C/1.8
°
F rise in 5 s
before secondary stabilization.
Poor contact in the
thermistor connec-
tor terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Fuser thermistor
installed incor-
rectly.
Check and reinstall if necessary.
Fuser thermostat
triggered.
Check for continuity. If none, replace the
fuser thermostat.
Fuser heater M or
S installed incor-
rectly.
Check and reinstall if necessary.
Broken fuser
heater M or S wire.
Check for continuity. If none, replace the
heater lamp.
C6020
Abnormally high fuser unit thermistor
temperature
The fuser temperature exceeds 230
°
C/
446
°
F for 40 ms.
Shorted thermistor. Measure the resistance. If it is 0
Ω
, replace
the thermistor.
Broken heater con-
trol circuit on the
power supply
PWB.
Replace the power supply PWB and check
for correct operation.
C6050
Abnormally low fuser unit thermistor
temperature
The fuser temperature remains below
90
°
C/194
°
F for 1 s.
Poor contact in the
thermistor connec-
tor terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Broken fuser ther-
mistor wire.
Measure the resistance. If it is
∞
Ω
, replace
the fuser thermistor.
Fuser thermistor
installed incor-
rectly.
Check and reinstall if necessary.
Fuser thermostat
triggered.
Check for continuity. If none, replace the
fuser thermostat.
Fuser heater M or
S installed incor-
rectly.
Check and reinstall if necessary.
Broken fuser
heater M or S wire.
Check for continuity. If none, replace the
fuser heater M or S.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Summary of Contents for d-Copia 1600
Page 1: ...SERVICE MANUAL Published in October 2005 842HB110 First Edition d Copia 1600 d Copia 2000...
Page 3: ...Revision history Revision Date Replaced pages Remarks...
Page 4: ...This page is intentionally left blank...
Page 10: ...This page is intentionally left blank...
Page 14: ...2HA 2HB 1 4 30 This page is intentionally left blank...
Page 20: ...2HA 2HB 1 4 30 This page is intentionally left blank...
Page 126: ...2HA 2HB 1 4 30 This page is intentionally left blank...
Page 162: ...2HA 2HB 1 4 30 This page is intentionally left blank...
Page 180: ...2HA 2HB 1 4 30 This page is intentionally left blank...
Page 213: ...INSTALLATION GUIDE FOR THE 300 SHEET CASSETTE...
Page 220: ...INSTALLATION GUIDE FOR THE DOCUMENT PROCESSOR...
Page 231: ...INSTALLATION GUIDE FOR THE DUPLEX UNIT...
Page 239: ...INSTALLATION GUIDE FOR THE Printing System X...
Page 242: ......