DOWNLOAD Sharp MX-6500N / MX-7500N (serv.man24) Service Manual ↓ Size: 46.9 MB | Pages: 76 in PDF or view online for FREE

MX-7500N  DISASSEMBLY AND ASSEMBLY  10 – 65

2)

Check the secondary transfer reception seal.

CAUTION: When replacing the secondary transfer toner reception

seal, attach it to the attachment reference.

1)

Remove the secondary transfer belt unit.

2)

Remove the secondary transfer cleaner seal F/R.

CAUTION: When replacing the secondary transfer cleaner seals F/

R, attach them to the attachment reference. Also attach
so that the secondary transfer cleaner seals F/R are not
positioned over the secondary transfer cleaner blade.

3)

Remove the screw, and remove the secondary transfer
cleaner blade.

4)

While rotating the secondary transfer cleaning brush roller in
the arrow direction, clean the roller.

CAUTION: Do not rotate the secondary transfer cleaning brush

roller in the reverse direction, If it is rotated reverse, the
toner reception seal may be damaged.

1)

Remove the secondary transfer belt unit.

2)

Remove the spring. Remove the step screw and the spring,
and remove the gear holder. Remove the gear from the gear
holder.

3)

Remove the C-ring, and remove the shaft and the secondary
transfer idle gear.

Difference-in-level reference

0mm

0.3mm

Diff

erence-in-le

vel ref

erence

0mm

0.3mm

MM

MM

MM

MM

MM

MM

MM

MM

"LADE

"LADE

&R

AME

ORNER

EDGE

EF

ER

ENC
E

&R

AME

ORNER

EDGE

EF

ER

ENC

E

MX-7500N  DISASSEMBLY AND ASSEMBLY  10 – 66

CAUTION: Handle the fusing belt unit integrally with the fusing unit

case.

Never attach the fusing belt unit to another unit. If it
should be attached to another unit, the meandering
adjustment function of the fusing belt turns into an
unbalanced state, resulting in breakage of the belt.

1)

Clean the transport roller 18.

1)

Remove the screw, and remove the mounting plate. Discon-
nect the connector and remove the screw, and remove the fus-
ing front paper pass detector.

1)

Disconnect the connector. Remove the screw, and remove the
web unit.

2)

Remove the screws (

), and remove the rear lower paper

guide.

3)

Remove the screws (

), and remove the lower separation

pawl unit.

MX-7500N  DISASSEMBLY AND ASSEMBLY  10 – 67

4)

Remove the screw, and remove the cover.

5)

Remove the screws, and remove the web motor.

6)

Remove the screws, and remove the frame. Remove the
screw, and remove the holder.

CAUTION: When attaching the holder, adjust so that the actuator

presses over the web roller sheet.

CAUTION: Before reassembling the unit, clean the actuator with

alcohol.

7)

Remove the web guide shaft.

CAUTION: When installing, fit the web guide shaft with the D-cut of

the mounting hole in the web guide shaft.

CAUTION: Before reassembling the unit, clean the guide shaft with

alcohol.

8)

While pulling the web roller shaft, remove the web roller.

9)

Remove the spring and the web pressure roller bearing, and
remove the web pressure roller.

MX-7500N  DISASSEMBLY AND ASSEMBLY  10 – 68

10) While pulling the web roller shaft, remove the web roller.

CAUTION: After installing the web roller, turn the gear (A) in the fig-

ure below until the blue line on the web sheet becomes
visible.

CAUTION: In case using the used web roller, wind the web sheet of

clean area to the nip of the pressure roller.

Reference for the rotation: Rotate the gear 4times.

1)

Remove the web unit.

2)

Remove the lower separation pawl and the spring.

1)

Remove the web unit.

2)

Remove the screws, and remove the cover.

3)

Remove the screws, and remove the cover.

4)

Disconnect the connector from the sensor. Remove the
screws, and remove the rear transport unit.

(A)

Pressure roller

Web rollor

Web tension 
shaft