Laser
Service Manual
Troubleshooting
Table 5-9.
LCD Displays FEED JAM
Cause
Step
Checkpoint
Finding
Solution
Connector for paper take-up
solenoid may be
1
Is connector disconnected?
Yes
Connect it.
disconnected.
Disconnect connector
on the
board and
check coil resistance
between pin 7 and pin 8 on
the disconnected cable side
No
Replace the paper
of the connector using a
solenoid.
Is the resistance
approximately 80 ohms?
If the coil is shorted, check
the solenoid drive circuit
The paper take-up solenoid
using the procedure below:
coil may be open or shorted.
1. Set the
for
voltage.
2. Place the (-) terminal of
the
on pin 7
Replace the paper
of connector
on the
Yes
take-up solenoid
board.
and the
3. Place the
terminal of
board.
the
on pin 5
With power on, does the
detect any
current?
Paper take-up sensor
Is paper take-up sensor flag
Yes
Reseat the paper
position may be incorrect.
position incorrect?
take-up sensor flag
paper take-up roller
be
—
Replace the paper
bad.
—
take-up roller.
Rev.
5-5
