DOWNLOAD Sharp AR-285 (serv.man10) Service Manual ↓ Size: 546.8 KB | Pages: 11 in PDF or view online for FREE

Model
AR-285 (serv.man10)
Pages
11
Size
546.8 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR280 285 335 Service Manual-External View and Internal Structure
File
ar-285-sm10.pdf
Date

Sharp AR-285 (serv.man10) Service Manual ▷ View online

C. Operation Panel
(1) Key position
1
2-SIDED COPY key
9
COPY key
2
SPECIAL MODES key
10
OUTPUT key
3
LCD touch panel
11
REVIEW key
4
INFORMATION key
12
AUDIT CLEAR key
5
CUSTOM SETTINGS key
13
PROGRAM key
6
10-key pad
14
Clear key
7
INTERRUPT key and indicator
15
START key and indicator
8
CLEAR ALL key
1
PRINT
COPY
1
2
3
4
5
6
7
8
9
0
C
P
CLEAR
PROGRAM
AUDIT CLEAR
INTERRUPT
CA
CLEAR ALL
START
DATA ON LINE
2
3
4 5
6
7 8
9
10
11
12
13
14
15
OUTPUT
SPECIAL
MODES
2-SIDED
COPY
These keys are not 
used for the copier 
features.
REVIEW
CUSTOM
SETTINGS
INFORMATION
(2) Touch Panel
a. Copy mode
1
Message display
2
Paper size display
3
Copy quantity display
4
Original size display
5
EXPOSURE display
6
EXPOSURE key
7
PAPER SELECT display
8
PAPER SELECT key
9
COPY RATIO display
10
COPY RATIO key
1
2
3
4
5
6
7
8
9
10
READY TO COPY. 
EXPOSURE
PAPER SELECT
COPY RATIO
AUTO
100%
AUTO 8  /    11
2
2.11 17
1
1.8 /    11
2
1
8 /   11
11
2
ORIGINAL
8/ 1 1R
1
2
6 – 2
2. Copier body
A. Major parts
No.
Name
1
Copy lamp
2
No. 1 mirror
3
Laser scanning unit
4
Drum separation pawl
5
Waste toner collecting screw
6
Discharge lamp
7
CCD unit
8
Main charger
9
Developing unit magnet roller
10
Toner hopper
11
Resist roller
12
Paper transport roller
13
Manual paper feed tray separation roller
14
Manual paper feed tray paper feed roller
15
Paper transport roller
16
Upper tray paper feed roller
17
Paper transport roller 3
18
Upper tray paper separation roller
19
Lower tray paper feed roller
20
Paper transport roller 4
21
Lower tray paper separation roller
No.
Name
22
Transfer charger
23
Separation charger
24
OPC drum
25
Suction belt
26
Fusing heater lamp (Out side/inside)
27
Hard disk
28
Lower fusing roller
29
Lower fusing roller separation pawl
30
31
Lower paper exit tray gate
32
Paper exit roller 3
33
Paper exit roller 1
34
Upper paper exit tray gate
35
Paper exit roller 2
36
Upper fusing roller separation pawl
37
Upper fusing roller
38
Thermistor (Outside/inside)
39
Thermostat
40
No. 3 mirror
41
No. 2 mirror
27
1
2
3
4
5 6
7
8
9
10
11
12
13
14
15
16
17
18
21
20
19
22
23
24
25
41
40
39
38
37
35
32
34
31 29
28
26
36
33
6 – 3
B. PWB location
No.
Name
Function, operation
1
Operation key PWB L
Key input
2
LCD unit
Operation input, machine
state display
3
Operation key PWB R
Key input
4
Invertor PWB
LCD backlight control
5
Operation control PWB
Operation input, display
control
6
Fusing interface PWB
Fusing unit, PCU interface
7
Copy lamp lighting PWB
Copy lamp lighting control
8
CCD PWB
Document image input
9
Copy lamp lighting interface
PWB
Copy lamp, PCU interface
10
Document size detecting
PWB (Light emitting side)
Document size detection
11
Scanner driver PWB
Optical system scanner unit
drive
12
PCU PWB
Overall control of the copier
and options
13
AC power PWB
AC power input
No.
Name
Function, operation
14
DC power PWB
DC power supply
15
High voltage PWB
Process high voltage, bias
voltage supply
16
Lift-up motor PWB
Paper tray bottom plate lift
up
17
Paper transport sensor
PWB
Paper transport detection
18
ICU PWB
Image process, image data
communication control
19
Multi feed tray paper size
detection PWB
Document size detection
20
Drum marking sensor PWB
21
Process control PWB
22
Process thermistor PWB
Temperature detection in
the process unit
23
Document size detecting
PWB (Light receiving side)
Document size detection 
24
Discharge lamp PWB
OPC drum discharge
1
2
3
4
5
7
9
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
6
6 – 4
C. Sensor location 
No.
Signal name
Function, operation
1
OCSW
Document cover open/close detection
2
PSD
Separation detection
3
PPD2
PS paper detection
4
MPED
Manual paper feed paper empty detection
5
MPLD1
Manual paper feed paper length detection 1
6
MPLD2
Manual paper feed paper length detection 2
7
MPLS1
Manual paper fed tray pull-out detection 1
8
MPLS2
Manual paper feed tray pull-out detection 2
9
PPD1
Paper transport detection 1
10
DSWR
Right door open/close detection
11
PFD
Paper transport detection 1
12
TFD
Waste toner full warning detection
13
LUD1
Upper cassette upper limit detection
14
LUD2
Lower cassette upper limit detection
15
PED1
Upper cassette paper empty detection 
16
PED2
Lower cassette paper empty detection
17
DSWLL
Left lower door open/close detection
18
DH SW
Dehumidifier heater switch
19
MEM SW
Memory switch
20
POD3
Paper exit detection (Second paper exit)
21
DSBD
ADU reverse section detection 
No.
Signal name
Function, operation
22
POD2
Paper exit detection (ADU)
23
DSWL
Left upper door open/close detection
24
POD1
Paper exit detection (after fusing)
25
MAIN SW
Power switch
26
MHPS
No. 1 mirror home position detection 
27
DSWF
Front cover open/close detection
28
LCSPD1
No. 2 tray paper remaining detection 1
29
UCSPD1
No. 1 tray paper remaining detection 1
30
Operation
PWB
thermistor
Operation PWB peripheral temperature
detection 
31
Process
section
thermistor
Process section peripheral temperature
detection
32
Fusing
section
thermistor
(Center)
Heat roller temperature detection 
33
Fusing
section
thermistor
(Sides)
Heat roller temperature detection
25 MAIN SW
26 MHPS 27 DSWF
1 OCSW
2 PSD
3 PPD2
4 MPED 
5 MPLD1 
6 MPLD2
8 MPLS2
7 MPLS1
9 PPD1
10 DSWR
11 PFD
12 TFD
13 LUD1
15 PED1
14 LUD2
16 PED2
28 LCSPD1
29 UCSPD1
17 DSWLL
18 DH SW
19 MEM SW
20 POD3
21 DSBD
22 POD2
23 DSWL
24 POD1
32 , 33
30
31
6 – 5
Page of 11
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Sharp AR-285 (serv.man10) Service Manual ▷ Download

  • DOWNLOAD Sharp AR-285 (serv.man10) Service Manual ↓ Size: 546.8 KB | Pages: 11 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp AR-285 (serv.man10) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp AR-285 (serv.man10) Copying Equipment. Information contained in Sharp AR-285 (serv.man10) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.