Olivetti d-Copia 284MF Service Manual page 128

2JN
Code
6030 Broken fuser thermistor wire
Input from fuser thermistor is 0 (A/D
value).
6400 Zero cross signal error
The zero cross signal does not reach the
control PWB for specified time.
7990 Waste toner full
The waste toner sensor has detected
that the waste toner reservoir (drum unit)
is full.
F000 Control PWB - Operation panel PWB
communication error
1-4-10
Contents
Causes Check procedures/corrective measures
Poor contact in the Reinsert the connector (See page 1-5-34).
fuser thermistor
connector termi-
nals.
Broken fuser ther- Replace the fuser unit (See page 1-5-34).
mistor wire.
Fuser thermistor Replace the fuser unit (See page 1-5-34).
installed incor-
rectly.
Fuser thermal cut- Replace the fuser unit (See page 1-5-34).
out triggered.
Fuser heater lamp Replace the fuser unit (See page 1-5-34).
installed incor-
rectly.
Broken fuser Replace the fuser unit (See page 1-5-34).
heater lamp wire.
Defective harness Reinsert the connector. Also check for conti-
between high volt- nuity within the connector harness. If none,
age PWB (YC202) remedy or replace the harness (See page 1-
and control PWB
5-39).
(YC23), or
improper connec-
tor insertion.
Defective connec- Reinsert the connector.
tion between
power source PWB
(YC103) and high
voltage PWB
(YC201).
Defective power Replace the power source PWB (See page
source PWB. 1-5-42).
Defective control Replace the control PWB (See page 1-5-
PWB. 39).
Waste toner reser- Turn the main power switch off/on to restart
voir (drum unit) is the machine. If the error is not resolved,
full. replace the drum unit (See page 1-5-30).
Defective waste Replace the waste toner sensor.
toner sensor.
Defective control Replace the control PWB (See page 1-5-
PWB. 39).
Defective harness
Reinsert the connector. Also check for conti-
between operation nuity within the connector harness. If none,
panel PWB (YC1) remedy or replace the harness.
and control PWB
(YC7), or improper
connector inser-
tion.
Defective opera- Replace the operation panel PWB.
tion panel PWB.
Defective control Replace the control PWB (See page 1-5-
PWB. 39).
Service Manual
Remarks
Y111030-4