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.
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
6 – 21
MC-Service
