DOWNLOAD Sharp DM-2000 (serv.man4) Service Manual ↓ Size: 441.4 KB | Pages: 9 in PDF or view online for FREE

Model
DM-2000 (serv.man4)
Pages
9
Size
441.4 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / DM2000 Service Manual-Consumable Parts External Views Internal Structures
File
dm-2000-sm4.pdf
Date

Sharp DM-2000 (serv.man4) Service Manual ▷ View online

5. Sensor, switch
No.
Name
Code
Function, operation
1
Mirror home position sensor
MHPS
Detects the mirror (scanner unit) home position.
2
Document size sensor
DSIN
Paper size detection
3
Toner density sensor
TCS
Toner quantity detection
4
Paper exit sensor (paper exit side)
POD1
Detects paper exit.
5
OC open/close sensor
DOC COVER
OC and SPF open close detection
6
Right door switch
DSWR
Side door open/close detection
7
Paper full sensor
P FULL
Paper exit tray section full detection <For JOB separator>
8
Lift sensor
LFTHP
Paper feed tray lift up detection <For JOB separator>
9
Lower limit sensor
JTRAY
Job separator tray lower limit detection
10
Paper exit sensor (DUP side)
PDPX
Paper transport detection
11
Shifter home position sensor
SFTHP
Shifter home position detection
12
Thermistor
RTH
Fusing section temperature detection
13
Thermostat
Fusing section abnormally high temperature detection
14
1st tray detection switch
CSD1
1st tray detection
15
Paper in
PIN
Paper transport detection
16
2nd tray detection switch
CSD2
2nd tray detection
17
Manual sensor
MPED
Manual transport detection
18
Second cassette door open/close
sensor
DRS2
Second cassette door open/close detection
19
Second cassette paper entry sensor
PPD2
Paper transport detection
20
First tray paper empty sensor
CSS1
First tray paper empty detection
21
Second tray paper empty sensor
CSS2
Second tray paper empty detection
22
Drum reset switch
DRST
New drum detection switch
23
Power switch
MAIN SW
Turns ON/OFF the main power source.
1
2
3
6
5
4
7
8
9
10
11
13
14
12
15
16
17
18
19
20
22
23
21
DM-2000
4  –  4
6. PWB unit
No.
Name
Function, operation
1
Copy lamp Inverter PWB
Copy lamp control
2
Power PWB
AC power input/DC power control
3
High voltage PWB
High voltage control
4
Printer control PWB
Printer control
5
Network Board
Network system interface
6
CCD sensor PWB
Image scanning
7
Motor PWB
8
Main PWB (MCU)
Machine control/Image process
9
Paper exit interface PWB
Paepr exit, finishing control
10
Tray interface PWB
Paper tray control
11
Operation main PWB
Operation panel input/Display, operation panel section control
12
LCD PWB
Printer and FAX status display
1
2
3 4
9
6
5
10
7
8
12
11
DM-2000
4  –  5
7. Cross sectional view
No.
Name
Function/Operation
1
Copy lamp
Image radiation lamp
2
Copy lamp unit
Operates in synchronization with No. 2/3 mirror unit to radiate documents sequentially.
3
LSU unit
Converts image signals into laser beams to write on the drum.
4
Lens unit
Reads images with the lens and the CCD.
5
MC holder unit
Supplies negative charges evenly on the drum.
6
Paper exit roller
Used to discharge paper.
7
Transport roller
Used to transport paper.
8
Upper heat roller
Fuses toner on paper (with the teflon roller).
9
Lower heat roller
Fuses toner on paper (with the silicon rubber roller).
10
Waste toner transport roller
Transports waste toner to the waste toner box.
11
Drum unit
Forms images.
12
Transfer charger unit
Transfer images (on the drum) onto paper.
13
Resist roller
Takes synchronization between the paper lead edge and the image lead edge.
14
Manual paper feed tray
Manual paper feed tray
15
Manual paper feed roller
Picks up paper in manual paper feed.
16
Manual transport roller
Transports paper from the manual paper feed port.
17
2nd tray paper transport roller
Transports paper from the 2nd tray
18
2nd tray paper feed roller (semi-circuit
roller)
Picks up paper from 2nd tray
19
1st tray paper feed roller (semi-circular
roller)
Picks up paper from the 1st tray
20
MG roller
Puts toner on the OPC drum.
21
No. 2/3 mirror unit
Reflects the images from the copy lamp unit to the lens unit.
1
2
3
4
5
6
7
8
9
10
11
12
14
13
15
21
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17
18
19
20
DM-2000
4  –  6
7. Cross sectional view
No.
Name
Function/Operation
1
Copy lamp
Image radiation lamp
2
Copy lamp unit
Operates in synchronization with No. 2/3 mirror unit to radiate documents sequentially.
3
LSU unit
Converts image signals into laser beams to write on the drum.
4
Lens unit
Reads images with the lens and the CCD.
5
MC holder unit
Supplies negative charges evenly on the drum.
6
Paper exit roller
Used to discharge paper.
7
Transport roller
Used to transport paper.
8
Upper heat roller
Fuses toner on paper (with the teflon roller).
9
Lower heat roller
Fuses toner on paper (with the silicon rubber roller).
10
Waste toner transport roller
Transports waste toner to the waste toner box.
11
Drum unit
Forms images.
12
Transfer charger unit
Transfer images (on the drum) onto paper.
13
Resist roller
Takes synchronization between the paper lead edge and the image lead edge.
14
Manual paper feed tray
Manual paper feed tray
15
Manual paper feed roller
Picks up paper in manual paper feed.
16
Manual transport roller
Transports paper from the manual paper feed port.
17
2nd tray paper transport roller
Transports paper from the 2nd tray
18
2nd tray paper feed roller (semi-circuit
roller)
Picks up paper from 2nd tray
19
1st tray paper feed roller (semi-circular
roller)
Picks up paper from the 1st tray
20
MG roller
Puts toner on the OPC drum.
21
No. 2/3 mirror unit
Reflects the images from the copy lamp unit to the lens unit.
1
2
3
4
5
6
7
8
9
10
11
12
14
13
15
21
16
17
18
19
20
DM-2000
4  –  6
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