Laser
Service Manual
Table 5-3. Symptoms and Reference Table (Continued)
Symptom
Printer Condition
Reference
Table
SERVICE REQ.
The LCD displays SERVICE REQ.
5-17
SERVICE REQ.
The LCD displays SERVICE REQ.
5-18
SERVICE REQ.
The LCD displays SERVICE REQ.
5-19
SERVICE REQ.
The LCD displays SERVICE REQ.
5-20
SERVICE REQ.
The LCD displays SERVICE REQ.
5-21
SERVICE REQ.
The LCD displays SERVICE REQ.
5-22
SERVICE REQ. Cl 110
The LCD displays SERVICE REQ. Cl 110.
5-23
The LCD displays SERVICE REQ. Cl 120, and
SERVICE REQ. Cl 120
the 4M EPROM is inserted into IC7 on the C108
5-24
MAIN board.
SERVICE REQ. Cl 130
The LCD displays SERVICE REQ. Cl 130, and
the
ROM-B board is used.
5-25
The LCD displays SERVICE REQ. Cl 140, and
SERVICE REQ. Cl 140
the
chip option or the
language ROM is
5-26
inserted into
on the Cl 08 MAIN board.
SERVICE REQ. Cl 114
The LCD displays SERVICE
REQ.
Cl 114.
5-27
Other SERVICE REQ. displayed.
The LCD displays another SERVICE REQ. error
5-28
code.
Table 5-4. The Printer Does Not Operate at All
Cause
Step
Finding
Solution
Connector
on the
board maybe
1
Is connector
on the
Yes
Connect
on
disconnected.
board disconnected?
board.
The fuse on the
2
Is fuse blown on the
board may be
board?
Replace the fuse.
Connector
on
Is connector
on the
Connect
on
board may be disconnected.
board disconnected?
board.
With the power on, is there an
board maybe dead.
4
output of +5 VDC between pin
Replace the
8 (+)
and pin
5 (-)
for
on
board.
board?
board maybe dead.
5
—
Replace the
—
board.
Rev. A
5-3
