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e-STUDIO2820C/2830C/3520C/3530C/4520C
© 2008 TOSHIBA TEC CORPORATION All rights reserved
PREVENTIVE MAINTENANCE (PM)
5 - 20
5.5.8
Developer unit (K, Y, M, and C)
Fig. 5-19
* H3: Developer material
After replacing the developer material, be sure to perform the auto-toner adjustment and then
image quality control initialization.
P.3-3 "3.1.2 Adjustment of the Auto-Toner Sensor"
P.3-5 "3.1.3 Performing Image Quality Control"
* H6: Oil seal
During replacement, coat the oil seal with grease (Alvania No.2) following the procedure below.
Also, when the developer sleeve or mixer is disassembled, clean the shaft and oil seal before
coating the oil seal with grease.
Developer sleeve
2 pc.
Mixer
4 pc.
Items to check
Cleaning
Lubri-
cation/
Coat-
ing
Replacement
Opera-
tion
check
Parts
list
<P-I>
(x 1,000
sheets)
(x 1,000 drive
counts)
H1
Whole developer unit
B
H2
Developer unit drive section
W1
H3
Developer material
56/70/70
(56/56/70)
125
H4
Front shield (unified with the
doctor blade)
B
R
R
38-26
H5
Side sheel (front, rear)
B
R
R
38-27
38-28
H6
Oil seal
AV
R
R
38-2
38-3
H7
Auto-toner sensor
B
38-31
H8
Developer filter
56/70/70
(56/56/70)
125
38-40
H9
Developer unit upper cover
B
38-25
H1
H3
H4
H5
H6
H5
H6
H6
H2
H2
H8
H9