Service Manual
Troubleshooting
Table 5-2. Symptoms and Reference Tables (Continued)
Symptom
Printer Condition
Reference
Table
SERVICE REQ. Cl 160
The LCD displays SERVICE REQ. Cl 160.
5-30
SERVICE REQ. Cl 170
The LCD displays SERVICE REQ. Cl 170.
5-31
SERVICE REQ. Cl 180
The LCD displays SERVICE REQ. Cl 180.
5-32
SERVICE REQ. Cl 190
The LCD displays SERVICE REQ. Cl 190.
5-33
SERVICE REQ.
or
The LCD displays SERVICE REQ.
or
5-34
SERVICE REQ.
The LCD displays SERVICE REQ.
5-35
SERVICE REQ.
The LCD displays SERVICE REQ.
5-36
SERVICE REQ.
The LCD displays SERVICE REQ.
5-37
Other SERVICE REQ. displayed.
The LCD displays SERVICE REQ. error code
other than these above.
5-38
Table 5-3. The Printer Does Not Operate at All
The
unit maybe bad.
2
The
board may
be bad.
Checkpoint
Finding
Solution
Is connector
1 on the
Connect
1 on
board
Yes
the
disconnected?
board.
With the power on, is there an
output of +5 VDC between pin
Replace the
6 (+) and pin 7 (-) for
unit.
the
board?
Replace the
—
—
board.
Table 5-4. The Printer Does Not Start RAM Check
cause
Step
Checkpoint
Finding Solution
The video controller board
If you change the
MAIN
MAIN board) maybe
1
board, does the printer start
Yes
Replace the
bad.
the RAM check?
MAIN board.
The control panel may be
I
I
Replace the
—
control
Table 5-5. The LCD Displays PRINTER OPEN
Cause
Step
Checkpoint
Finding
Solution
The link assembly position
,
Is the interlock switch on
No
Reset the link
may be bad.
when the cover is closed?
assembly.
The
unit maybe
2
—
Replace the
bad.
—
unit.
Table 5-6. The LCD Displays PAPER OUT (1)
I
1
1
Cause
Step
Checkpoint
Finding
Solution
The paper-empty sensor
—
Replace the
the
tray maybe bad.
—
empty sensor.
Rev.
