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B. DB blade replacement (Replace every 120K copies.)
1
Remove the old DV blade from the DV cover. (Remove the duplex
tape.)
2
Attach the new DV blade with the pasteboard as shown below.
(Attach the DV blade to the reference of A and the inscribed line
(
0.2). Do not allow extrusion from the edge. Do not allow cov-
ering the inscribed line. The allowable reference shift is within
0.5mm from the inscribed line. Attach the sheet without being
wavy.
DV cover
DV blade
Remove the base pasteboard from the DV blade.
3
Note: If the pasteboard is not removed, the drum is scratched.
C. V ring attachment
Be careful of the direction of the V ring when attaching it to the MG
roller and the MX roller.
V ring
(MG roller)
Section A
Section A
V ring
(MX roller)
1
As shown above, be careful of the direction of the V ring.
2
Do not allow clearance at section (A) between the V ring and each
roller.
Attach the MG roller and the right V ring as shown in the figure.
3
+5
(3.0
)
−0
@ Note: When replacing the MG roller, attach the plate MFE.
@ Note: When attaching the MG roller, put the milled surface up.
D. Note for toner hopper drive gear (31T) and stirring
•
Plate MFE
V ring
•
+0.5
3.0
-0
V ring
Section A
6 – 21
MC-Service
Magnet fixing shaft
Do not allow contact between φ 6.5 hole in the plate MFE and the
magnet fixing shaft.
Remove oil and dirt from the attachment section.
shaft attachment
Be careful of the stirring shafts A and B attachment positions.
Stirring shaft B
Attach so that the angle between stirring shaft A and B is 90
degrees.
When attaching the toner hopper drive gear (31T), be careful of
the E-ring stop position as shown below. (If the E ring is on the
milled surface, it is apt to disengage.)
31T gear
Plate MFE
φ6.5
MAG roller
90
Stirring shaft B
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