Table 6-5 Error Code F4-12 - Xerox DOCUPRINT N4525 Service Quick Reference Manual

Table 6-5 Error Code F4-12 (cont'd.)
Step Actions and Questions
5 HORIZONTAL TRANSPORT INPUT PATH
SENSOR TEST
1. Enter Diagnostics Mode.
2. From the Main Menu, select Comp Input Test / Finisher
Unit / H Trans Input P.
3. Press [4] to start, [0] to stop.
4. Repeatedly insert and remove a sheet of paper into the
Horizontal Transport Input Path Sensor and observe
the display.
Does the Control Panel display "with paper"
when you insert the paper into the Horizontal
Transport Input Path Sensor, and "without
paper" when you remove it?
6 HORIZONTAL TRANSPORT INPUT PATH
SENSOR REPLACEMENT
1. Replace the Horizontal Transport Input Path Sensor
(RRP 6-11).
2. Repeat the Horizontal Transport Input Path Sensor Test
in Step 5 above.
Does the Horizontal Transport In-Gate open
when you actuate the "Pull" test, then close
when you actuate the "Push" test?
7 HORIZONTAL TRANSPORT IN-GATE
SOLENOID REPLACEMENT
1. Replace the Horizontal Transport In-Gate Solenoid
(RRP 6-7).
2. Repeat the Horizontal Transport In-Gate solenoid Test
in Step 2 above.
Does the Horizontal Transport In-Gate open
when you actuate the "Pull" test, then close
when you actuate the "Push" test?
8 The following Finisher components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one at
a time, until you isolate and solve the problem.
Horizontal Transport In-Gate Solenoid (RRP 6-7)


Horizontal Transport Input Path Sensor (RRP


6-11)
Print Engine Controller Board (RRP 1-72)


Wiring and connectors linking the components.


6-658 DocuPrint N4525 Network Laser Printer - Service Guide
Yes No
Go to step 7 Go to step 6
Problem Go to step 8
solved
Problem Go to step 9
solved