Inoperative Offset - Epson EPL-N4000 Service Manual

EPSON EPL-N4000/EPL-N4000+

3.3.8 Inoperative Offset

The Offset function does not work or does not work correctly.
Table 3-25. Inoperative Offset
Step Actions and Questions
SUSPECT COMPONENTS
The following components are
associated with this specific problem.
One or more of these components may
have failed partially or completely. If you
cannot isolate the problem using this FIP,
replace each component listed below,
one at a time, until the problem
disappears.
• Wiring and connectors linking the
components.
• LVPS Assembly
1 MAIN DRIVE ASSEMBLY INSPECTION
1. Remove the Rear Cover Assembly
Does the Main Motor run and do the
gears of the Drive Assembly rotate
normally?
2 EXIT DRIVE TEST
1. Remove the Fuser Full Cover.
Does the Exit Motor run forward
during 10-6 and reverse during 10-7?
Rev.B
Yes No
Go to step 2 Go to FIP
Inoperative
Main Drive
Assembly
Go to step 3 Replace the
Exit Drive
Assembly.
Table 3-26. Inoperative Offset
Step Actions and Questions
3 OFFSET TEST
Does the Offset Roll shift away from
the Exit Motor during 10-6 and
toward the Motor during 10-7?
MCU PWB REPLACEMENT
4
Replace the MCU PWB
Does Offset work correctly?
Chapter 3 Troubleshooting
Yes No
Go to step 4 Replace the
Offset Unit
Assembly.
Problem Go to Suspect
solved Components
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