Table 6-10 Error Code F4-31 - Xerox DOCUPRINT N4525 Service Quick Reference Manual

RAP 6-7
Error Code F4-31
There is a problem at the Finisher Input Path Sensor.
Logic Control on the Print Engine Controller Board sensed that the Finisher Input Path
Sensor was not deactuated within a specified time after it was actuated.

Table 6-10 Error Code F4-31

Step Actions and Questions
1 PATH LOCATION INSPECTION
Inspect the position of the sheet of paper exiting the
Finisher Input Path Sensor.
Has the trail edge of the sheet of paper cleared
the Finisher Input Path Sensor?
FINISHER INPUT PATH SENSOR TEST
2
1. Enter Diagnostics Mode.
2. From the Main Menu, select Comp Input Test / Finisher
Unit / Input Path Sen.
3. Press [4] to start, [0] to stop.
4. Repeatedly insert a sheet of paper into the Finisher
Input Path Sensor and remove it.
Does the Control Panel display "with paper"
when you insert the paper into the Finisher
Input Path Sensor, and "without paper" when
you remove it?
3 FINISHER INPUT PATH SENSOR
REPLACEMENT
1. Replace the Finisher Input Path Sensor (RRP 6-29).
2. Repeat the Finisher Input Path Sensor Test in Step 2
above.
Does the Control Panel display "with paper"
when you insert the paper into the Finisher
Input Path Sensor, and "without paper" when
you remove it?
FINISHER MAIN BOARD REPLACEMENT
4
1. Replace the Finisher Main Board (RRP 6-84).
2. Repeat the Finisher Input Path Sensor Test in Step 2
above.
Does the Control Panel display "with paper"
when you insert the paper into the Finisher
Input Path Sensor, and "without paper" when
you remove it?
5 PATH PAPER INSPECTION
Inspect the Drive Rollers in the Finisher, especially the
Input Rollers and the Registration Rollers.
Are all of the Drive Rollers in the Horizontal
Transport and Finisher input area clean and
free of obvious wear and damage?
Volume 6 / Finisher - Error Codes & Messages
Paper Jam
Clear Area F
Yes
Go to step 2
Go to step 4
Problem
solved
Problem
solved
Go to step 6
No
Go to step 5
Go to step 3
Go to step 4
Replace the
Print Engine
Controller
Board (RRP
1-72) &
retest. If still
NO, go to
step 8.
Replace the
suspect Drive
Rollers. If
problem still
exists, go to
step 6.
6-667