Utax LP 3335 - Page 44

2L0
1-4-5
6030 Broken fuser thermistor wire
Input from fuser thermistor is 0 (A/D
value).
Poor contact in the
fuser thermistor
connector termi-
nals.
Reinsert the connector (See page 1-5-16).
Broken fuser
thermistor wire.
Replace the fuser unit (See page 1-5-16).
Fuser thermistor
installed incor-
rectly.
Replace the fuser unit (See page 1-5-16).
Fuser thermal cut-
out triggered.
Replace the fuser unit (See page 1-5-16).
Fuser heater lamp
installed incor-
rectly.
Replace the fuser unit (See page 1-5-16).
Broken fuser
heater lamp wire.
Replace the fuser unit (See page 1-5-16).
6400 Zero cross signal error
The zero cross signal does not reach the
control PWB for specified time.
Defective harness
between high volt-
age PWB (YC202)
and control PWB
(YC311), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness (See page 1-
5-24).
Defective harness
between power
source PWB
(YC103) and high
voltage PWB
(YC201), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness (See page 1-
5-24).
Defective power
source PWB.
Replace the power source PWB (See page
1-5-22).
Defective control
PWB.
Replace the control PWB (See page 1-5-
19).
F000 Control PWB - Operation panel PWB
communication error
Defective harness
between operation
panel PWB (YC1)
and control PWB
(YC7), or improper
connector inser-
tion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness (See page 1-
5-24).
Defective opera-
tion panel PWB.
Replace the operation panel PWB.
Defective control
PWB.
Replace the control PWB (See page 1-5-
19).
F010 Control PWB checksum error Defective code
ROM (flash mem-
ory).
Turn the power switch off/on to restart the
printer. If the error is not resolved, replace
the control PWB (See page 1-5-19).
Defective control
PWB.
Replace the control PWB (See page 1-5-
19).
Code Contents
Remarks
Causes Check procedures/corrective measures