Sharp DM-2000 (serv.man8) Service Manual ▷ View online
D. Paper exit roller
Assembly: Insert the spring pin so that the waveform (A) of the spring
pin faces in the longitudinal direction of the paper exit drive
gear long hole (B).
Be sure to insert two ribs (C) into the groove (D).
gear long hole (B).
Be sure to insert two ribs (C) into the groove (D).
5. MCU/Mother board/Printer control PWB
No.
Content
A
Mother board
B
MCU
C
Printer control PWB
A. Mother board
( 3 )
( 4 )
( 6 )
( 7 )
( 5 )
( 5 )
( 1 )
( 3 )
( 2 )
( 2 )
( 4 )
( 4 )
( 5 )
( B )
( A )
( D )
( C )
( C )
( 8 )
( 6 )
( 6 )
( 7 )
( 7 )
(1)
DM-2000
11 – 6
B. MCU
Note:
● When replacing the MCU PWB, replace the EEPROM in the
MCU PWB which is to be replaced.
● When replacing the MCU PWB, check that the Flash ROM is
of the latest version. (SIM 22-14)
If the Flash ROM is not of the latest version, perform version
up according to the attached “Flash ROM version up proce-
dures (No. XXX).”
If the Flash ROM is not of the latest version, perform version
up according to the attached “Flash ROM version up proce-
dures (No. XXX).”
C. Printer control PWB
Note:
● When replacing the printer control PWB, check that the
firmware is of the latest version.
If the firmware is not of the latest version, perform the version
up procedures described later.
If the firmware is not of the latest version, perform the version
up procedures described later.
6. Optical frame unit
No.
Content
A
Optical frame unit
A. Optical frame unit
Installation: Install the optical unit in the sequence shown above.
(2)
(3)
(2)
(4)
(5)
(6)
(1)
(1)
(2)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(3)
DM-2000
11 – 7
7. LSU
No.
Content
A
LSU unit
A. LSU unit
Adjustment:
● Image lead edge position adjustment
● Image left edge position adjustment
● Paper off-center adjustment
8. Tray paper feed section/Paper
transport section
No.
Content
A
Interface frame unit
B
Drive unit
C
Solenoid (paper feed solenoid, resist roller solenoid)
D
Resist roller clutch, Resist roller
E
Paper feed clutch/Paper feed roller (Semi-circular roller)
A. Intermittent frame unit
Assembly: Do not miss the door lock pawl.
(1)
(2)
(1)
(1)
(3)
(4)
( 6 )
( 5 )
( 5 )
(1)
(1)
(2)
(2)
( 4 )
( 3 )
DM-2000
11 – 8
B. Drive unit
Assembly: Move down the clutch pawl as shown below, and avoid the
clutch and install.
C. Solenoid
(paper feed solenoid, resist roller solenoid)
D. Resist roller clutch/Resist roller
E. Paper feed clutch/Paper feed roller
(Semi-circular roller)
(1)
(2)
(1)
(2)
(2)
(3)
( 1 )
( 4 )
( 3 )
( 2 )
( 3 )
( 3 )
( 4 )
( 1 )
( 3 )
( 2 )
DM-2000
11 – 9
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