Specifications

Interleaf EP1052 TROUBLESHOOTING
96.11.01
T-3
<Controlled Part Check Procedure by Changing Input Port Data>
Example: When a paper misfeed occurs in the paper take-up section of the copier, Paper Take-Up
Sensor PC55 is considered to be responsible for it.
<Procedure>
1) Remove the sheet of paper misfed.
2) From the I/O port check list, it is found that the H/L input signal to PC55 is supplied from PWB-A
(IC4A) APA1.
3) Select the I/O Check function from the Service mode menu and, using the Paper Select key,
show the status of PWB-A (IC4A) APA1 on the control panel.
4) Check that the second LED from the right of the Exposure Information Display lights up (sensor
being unblocked).
· Zoom Ratio Indicator
· Multi-Copy Display
· Exposure Information Display
5) Move the PC55 actuator to block the sensor.
6) Check at this time that the LED goes out.
ON: PC55 is faulty. OFF: PC55 is operational.
XAPA
4A
7 6 5 4 3 2 1 0