2H9
1-4-8
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 1-5-30).
Broken fuser ther-
mistor wire.
Replace the fuser unit (See page 1-5-30).
Fuser thermistor
installed incor-
rectly.
Replace the fuser unit (See page 1-5-30).
Fuser thermal cut-
out triggered.
Replace the fuser unit (See page 1-5-30).
Fuser heater lamp
installed incor-
rectly.
Replace the fuser unit (See page 1-5-30).
Broken fuser
heater lamp wire.
Replace the fuser unit (See page 1-5-30).
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
(YC23), 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-
5-30).
Defective connec-
tion between
power source PWB
(YC103) and high
voltage PWB
(YC201).
Reinsert the connector.
Defective power
source PWB.
Replace the power source PWB (See page
1-5-38).
Defective control
PWB.
Replace the control PWB (See page 1-5-
35).
7990
Waste toner full
The waste toner sensor has detected
that the waste toner reservoir (drum unit)
is full.
Waste toner reser-
voir (drum unit) is
full.
Turn the main power switch off/on to restart
the printer. If the error is not resolved,
replace the drum unit (See page 1-5-26).
Defective waste
toner sensor.
Replace the waste toner sensor.
Defective control
PWB.
Replace the control PWB (See page 1-5-
35).
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.
Defective opera-
tion panel PWB.
Replace the operation panel PWB.
Defective control
PWB.
Replace the control PWB (See page 1-5-
35).
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Содержание KM-2810
Страница 1: ...SERVICE MANUAL Published in May 2009 2H9SM060 First Edition KM 2810 ...
Страница 3: ...Revision history Revision Date Replaced pages Remarks ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 18: ...2H9 1 1 6 This page is intentionally left blank ...
Страница 22: ...2H9 1 2 4 5 Remove nine tapes Figure 1 2 5 Tape Tapes Tapes Tapes Tapes ...
Страница 24: ...2H9 1 2 6 This page is intentionally left blank ...
Страница 105: ...2H9 1 5 15 7 Unhook four hooks and then remove the scanner unit Figure 1 5 19 Scanner unit Hooks Hooks ...
Страница 138: ...2H9 1 5 48 This page is intentionally left blank ...
Страница 157: ...2H9 2 1 17 Figure 2 1 24 Paper exit section block diagram EXITN YC19 3 Fuser unit Exit sensor Control PWB ...
Страница 162: ...2H9 2 2 4 This page is intentionally left blank ...
Страница 174: ...2H9 2 3 12 This page is intentionally left blank ...
Страница 178: ...2H9 2 4 4 This page is intentionally left blank ...
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