Sharp SF-1120, SF-1020 DB blade replacement Replace every 120K copies, Ring attachment

B. DB blade replacement (Replace every 120K copies.)

1Remove the old DV blade from the DV cover. (Remove the duplex tape.)

2Attach 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.

DV cover

DV blade

3Remove 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.

	Plate MFE
	V ring
V ring	3.0 -+00 .5
(MG roller)
Section A
Section A	V ring
V ring	Section A
(MX roller)

1As shown above, be careful of the direction of the V ring.

2Do not allow clearance at section (A) between the V ring and each roller.

3Attach the MG roller and the right V ring as shown in the figure. (3.0+−50 )

@ Note: When replacing the MG roller, attach the plate MFE.

Plate MFE

Magnet fixing shaft	φ6.5
	MAG roller

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. Stirring shaft B

90

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

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