Cycle Of The Rollers - Epson AcuLaser C2800 Service Manual

AcuLaser C2800/C2800D/C3800/C3800D

3.5.2 Cycle of the Rollers

When horizontal stripes and spots appear at fixed intervals, it is
C H E C K
P O I N T
highly possible that a specific roll has caused the trouble. If this
happens, you might be able to easily solve the problem by
measuring the interval between the stripes or spots on a test print,
and checking the relationship between the pitches shown in the
table below (note that the pitch does not necessarily match the
length of the roll periphery).
Figure 3-5. Rollers
TROUBLESHOOTING
The table below shows the rolls and their diameter that have possibilities of causing
print quality troubles and the intervals of their traces which appear on printouts.
Roll
Drum
BCR
BCR Cleaner Roll
Magnet Roll (K)
Magnet Roll (Y,M,C)
BTR
Roll ESA
Drive Roll
Fuser Roll
Fuser Belt
Pinch Roll
Exit Roll
Exit Pinch Roll
Print Quality Trouble FIP
Roll Diameter
Part Name
(mm)
IMAGING CARTRIDGE 24
(K/C/M/Y)
IMAGING CARTRIDGE 9
(K/C/M/Y)
IMAGING CARTRIDGE 8
(K/C/M/Y)
IMAGING CARTRIDGE 16
(K)
IMAGING CARTRIDGE 16
(C/M/Y)
TRANSFER UNIT 12
TRANSFER UNIT 9
TRANSFER UNIT 18.1
FUSER UNIT 26.32
FUSER UNIT 30
FUSER UNIT 6
FUSER UNIT 13.75
FUSER UNIT 10
Revision C
Interval of Traces
(mm)
75.4
28.8
25.9
25.2
22.3
37.7
28.3
56.9
82.7
94.2
18.8
43.2
31.4
136
Confidential