Epson EPL-N1600 Service Manual page 69

EPSON EPL-N1600
1.5 ERROR MESSAGE "PRINTER OPEN"
Check if the above error displayed even if the Cover Assy. Exit is
closed.
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.
• Interlock Switch actuating mechanism
• Interlock Switch (on HPS)
• HPS
• PWBA Hotaru
• C258MAIN Board
Rev. A
1
Yes No
2
3
Step Actions and Questions
INTERLOCK SWITCH ACTUATOR
TAB ON COVER ASSEMBLY EXIT
Is the actuator tab in place on the Cover
Assembly Exit; not damaged nor
deformed?
INTERLOCK SWITCH ACTUATING
MECHANISM
Press down on the Actuator Interlock
Switch directly by a small-diameter
screwdriver through the inside hole of
the Spring Actuator.
Is there a small clicking sound of
actuation of the Interlock Switch when
you press down on the Actuator Interlock
Switch, and is there a slow spring-action
return when you release the Actuator
Interlock Switch?
INTERLOCK SWITCH ACTUATING
MECHANISM
1. Remove the Link Interlock Switch &
Cam Interlock Switch.
2. Inspect the Actuator Interlock Switch,
Cam Actuator, Spring Cam, and Link
Interlock Switch for disengagement or
breakage.
3. Also check the Interlock Switch by a
Digital Multi Meter.
-Is there continuity between terminals 1
and 2 of the Interlock Switch when you
press the hinged arm of the Interlock
Switch? If not, replace the HPS.
-Reinstall the Actuator Assembly
Interlock Switch replacing broken parts
with new one, if any.
Does this error message still appear?
Chapter 3 Troubleshooting
Yes No
Go to step 2. Replace the
Cover
Assembly Exit.
Go to step 3. Replace the
HPS with new
one.
Replace the Problem
C258MAIN solved.
Board.
71