Print Quality Problems - Epson EPL-9000 Service Manual

Troubleshooting
5.3.2 Troubleshooting
This section describes how to isolate print quality problems from their possible causes and remedy
them, as shown in Table 5-39.
Possible Cause
Symptom
Low image
Improper
charging
PRINTER
PRINTER
Window of
unit is
.
Poor image
transfer
Blank print
Window of optical
unit is dirty.
Poor
development
-
Poor image
transfer
Black print
Improper
charging
band
Window of optical
unit is dirty.
Poor image
transfer
"ER
OPC
S-14

Print Quality Problems

Table 5-39. Print Quality Problems
Part Name
Paper
Imaging
cartridge
board
Optical unit
Imaging
Cartridge
board
board
board
Imaging
cartridge
Optical unit
roller
Imaging
cartridge
En-= Service
Check Item
Check to see if the
paper is moist.
—
—
Check the
the optical
—
—
— cartridge.
—
board.
—
board.
—
Replace the
—
board.
Replace the imaging
—
cartridge.
Clean the window.
—
Replace the
—
Replace the imaging
—
Remedy
Replace the paper.
Replace the imaging
the
board.
Replace the roller
the window.
Replace the imaging
Replace the
Replace the
Replace the roller
roller.
Rev.