Epson ColorPage EPL-C8000 Service Manual page 447

EPSON EPL-C8000
FIP-3.6 Black/Color Spots
Phenomenon: Black/Color spots appear in the output.
Perform the preliminary inspection.
Parts to inspect:
DRUM CARTRIDGE, HVPS, 2ND BTR ASSY, FUSER ASSY, (HEAT ROLL/PRESSURE ROLL)
Item Check Points
Damp paper
1
Replace the paper with new one.
l
Has the problem been solved?
Improper Charging/Development
During the image transfer, turn the printer off and
examine the toner image on the drum surface
2
(point before the transfer) visually.
l
Is the toner image on the drum developed
properly?
Improper 1st transfer
During the image transfer, turn the printer off and
examine the image on the TRANSFER BELT ASSY
3
visually.
l
Is the image on the drum properly transferred to
the TRANSFER BELT ASSY?
HEAT ROLL, PRESSURE ROLL malfunction
l
Is the HEAT ROLL/PRESSURE ROLL in the
4
FUSER ASSY damaged, smeared, or lodged
with any foreign matter?
DRUM CARTRIDGE malfunction
5
Replace the DRUM CARTRIDGE with a new one.
l
Has the problem been solved?
Chapter 5 TROUBLESHOOTING
Remedy (When abnormal)
Replace the paper. (Instruct the
customer to store paper in a dry place.)
Refer to "FIP-2.38 "HVPS is
Defective"".
Refer to "FIP-2.38 "HVPS is
Defective"".
Clean or replace the HEAT ROLL /
PRESSURE ROLL in the FUSER
ASSY.
Replace the DRUM CARTRIDGE.
Rev. B
SER582X
5-113