Epson EPL-N1600 Service Manual page 79

EPSON EPL-N1600
2.3 ELECTRICAL NOISE
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.
• Duplex Unit
• Lower Cassette Unit
• Drive Assembly Main
• Solenoid Feed
• Solenoid MBF
1 EXTERNAL NOISE
1. Check if there is other electrical
equipment, such as electrical
generators, radio transmitters, or
devices using electrical motors, near
the printer.
2. Shut off the other electrical
equipment, or relocate the printer
away from the other devices.
Is the electrical noise problem still
present?
2 AC GROUND
Check the AC wall outlet.
Is the AC wall outlet correctly wired and
grounded?
3 IMAGING CARTRIDGE
Replace the Imaging Cartridge.
Is the electrical noise problem still
present?
Rev. A
Yes No
Go to step 2. Permanently
relocate either
the printer or
the problem
devices.
Go to step 3. Repair the AC
wall outlet.
Go to step 4. Problem
solved.
Step Actions and Questions
4 PLATE CONTACTS
Inspect Plate-Heat Roll and Plate
Contacts RTN, CR, BTR, DB, and DTS.
Are all of these Plate Contacts in place,
not bent or deformed, and does each
Plate Contact make secure contact with
the associated HPS terminal (DB, CR,
etc.)?
5 HPS
Replace the HPS.
Is the Electrical Noise problem still
present?
C258MAIN Board
6
Replace the C258MAIN.
Is the Electrical Noise problem still
present?
7 Fuser Assy.
Replace the Fuser Assembly.
Is the Electrical Noise problem still
present?
Chapter 3 Troubleshooting
Yes No
Go to step 5. Repair the
damaged Plate
Contact.
Go to step 6. Problem
solved.
Go to step 7. Problem
solved.
Go to other Problem
suspect solved.
Components.
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