Epson C11C605001 - DFX 9000 B/W Dot-matrix Printer Service Manual page 135

Troubleshooting
Table 5-39. Print Quality Problems (Continued)
Symptom
Areas of missing
print
Poor image
transfer
Dirt on
roller
Paper problem
Black specks or
dots
Poor image
transfer
PRINTER
-
Dirt on the fusing
roller
Erase lamp is
Ghost
bad.
Poor image
transfer
-
Dirt on the f~ing
-
roller
Erase lamp is
bad.
Improper
charging
S-16
Part Name
Cause
Imaging
cartridge
the
Paper
Imaging
cartridge
Fusing roller
Erase lamp
Imaging
cartridge
Fining ~ler
Erase lamp
Imaging
Check kern
—
— cartridge.
—
—
—
Replace the imaging
— cartridge.
Replace the fusing
—
roller.
Replace the erase
—
lamp.
— Replace the BTR"rolie~
Replace the imaging
— cartridge.
Replace the fusing
—
roller.
Replace the erase
—
lamp
Replace the HVPS
—
board.
— cartridge.
Replace the BTR rollel
Replace the imaging
Replace the fusing
roller.
replace the paper.
Replace the BTR rollei
Rev. A