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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
covering the inscribed line. The allowable reference shift is within
0.5mm from the inscribed line. Attach the sheet without being
wavy.
3 Remove the base pasteboard from the DV blade.
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.
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.
3 Attach the MG roller and the right V ring as shown in the figure.
(3.0
−0
+5
)
@ Note: When replacing the MG roller, attach the plate MFE.
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.
@ Note: When attaching the MG roller, put the milled surface up.
D. Note for toner hopper drive gear (31T) and stirring
shaft attachment
• Be careful of the stirring shafts A and B attachment positions.
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.)
DV cover
DV blade
3.0
+0.5
-0
Plate MFE
V ring
V ring
Section A
(MG roller)
(MX roller)
Section A
V ring
V ring
Section A
φ
6.5
Plate MFE
MAG roller
Magnet fixing shaft
90
Stirring shaft B
Stirring shaft B
31T gear
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