Sharp MX-M232D (serv.man3) Service Manual ▷ View online
MX-M182 DISASSEMBLY AND ASSEMBLY 10-15
11.Developing section
A. Developing box
B. Developing doctor
Adjustment:
Developing doctor gap adjustment
C. MG roller
Adjustment:
MG roller main pole position adjustment
Note:Attach it to fit with the attachment reference when replacing the DV
blade.
No.
Contents
A
Developing box
B
Developing doctor
C
MG roller
(2)
(3)
(3)
(3)
(4)
(1)
(1)
(2)
(5)
(4)
(3)
(3)
0
0.5
0
0.5
Attaching
reference
reference
DV blade
Mark-off line
Mark-off line
reference
reference
The DV blade surface must be free
from foreign materials.
from foreign materials.
Do not touch the DV blade tip.
It must be free from deflection.
It must be free from deflection.
MX-M182 DISASSEMBLY AND ASSEMBLY 10-16
12.Process section
A.Drum unit
When removing the drum, put the drum unit upside down to prevent
waste toner from spilling.
When the drum is replaced, be sure to replace the drum positioning boss
with a new one, too.
(Note for servicing the OPC drums)
1. Prevention of oily dirt attachment
[Note]
• Be careful not to attach fingerprints or oily dirt on the OPC drum
surface. (Keep the unit away from oils and dust.)
• When replacing the OPC drum, cover the OPC drum with the protection
sheet and hold the protection sheet.
If it is required to hold the OPC drum directly, use enough care not to
touch the cleaning blade area, 5mm inside from both edges of the OPC
drum. (If a fingerprint or oily dirt is attached to the cleaning blade area
of the OPC drum, the cleaning blade may flip.)
of the OPC drum, the cleaning blade may flip.)
[Countermeasures]
If a fingerprint is attached to the OPC drum surface erroneously, perform
the following countermeasures.
the following countermeasures.
1) Use dry cloth to clean and remove the dirt.
2) Apply KYNAR to prevent blade flip.
[Check method]
[Check method]
Check to confirm that the OPC drum is free from fingerprints or oily dirt
and that the cleaning blade is completely cleaned by the following
method.
method.
• Make a print of a half tone image on all the surface of A4 (11" x 8.5")
paper, and check the printed paper for any abnormality in the image.
2. Prior exposure prevention
[Note]
• Avoid servicing in a place where there is strong light.
• Avoid servicing in a place where there is strong light.
• Do not expose the unit to light for a long time.
• Cover the OPC drum with light-blocking material. (When using paper,
use about 10 sheets of paper to block light.)
[Countermeasures]
If the OPC drum is erroneously exposed to light too much (prior
exposure), perform the following countermeasures.
exposure), perform the following countermeasures.
1) Print half tone images on the whole surface of A4 (11" x 8.5") paper,
and check to confirm that there is no irregular density area in the
previously exposed section.
previously exposed section.
2) Damages due to prior exposure may be recovered by keeping the
OPC drum for several hours. If, however, image are not recovered,
replace the OPC drum.
replace the OPC drum.
B. Main charger unit
C. Cleaning blade
No.
Contents
A
Drum unit
B
Main charger unit
C
Cleaning blade
(2)
(1)
(1)
(1)
(2)
MX-M182 DISASSEMBLY AND ASSEMBLY 10-17
13.Others
A. Operation P.W.B.
[Note for installation]
When installing, engage the hole of the LCD box unit with the
positioning pin.
B. Tray interface P.W.B.
No.
Contents
A
Operation P.W.B.
B
Tray interface P.W.B.
C
2nd tray paper entry sensor / Paper empty sensor
D
2nd tray transport clutch
E
2nd tray transport roller
F
2nd tray paper feed clutch
G
Main motor
H
Paper entry sensor
I
Paper empty sensor
(3)
(4)
(3)
(1)
(2)
(5)
(5)
(5)
(6)
(7)
(5)
(2)
(1)
(1)
(3)
(1)
positioning pin
hole
(3)
(2)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(1)
(1)
(3)
MX-M182 DISASSEMBLY AND ASSEMBLY 10-18
C. 2nd tray paper entry sensor / Paper empty sensor
Disassembly:
When the second paper feed unit is detached, the screw
is removed, and the main body is lifted.
D. 2nd tray transport clutch
E. 2nd tray transport roller
F. 2nd tray paper feed clutch
G. Main motor
(2)
(3)
(5)
(1)
(4)
(1)
(2)
(1)
(3)
(2)
(1)
(1)
(2)
(3)
(4)
(1)
(2)
(1)
(2)
(3)
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