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Model
MX-2300N MX-2700N MX-2300G MX-2700G MX-2300FG MX-2700FG (serv.man11)
Pages
56
Size
10.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Service Manual MX-RPX1
File
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Date
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Sharp MX-2300N / MX-2700N / MX-2300G / MX-2700G / MX-2300FG / MX-2700FG (serv.man11) Service Manual ▷ View online

MX-RPX1  EXTERNAL VIEW AND INTERNAL STRUCTURE  4 – 1
Service Manual      
 
[4] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Identification and functions of each section
A. Internal structure
No.
Name
No.
Name
1
Pick-up roller
10
Scan rear roller
2
Paper feed separation roller
11
Transport follower roller
3
Separation roller
12
SWB pass section transport roller
4
U-turn roller
13
Transport follower roller
5
PS follower roller
14
Paper exit roller
6
PS roller
15
Paper exit follower roller
7
Transport follower roller
16
SWB roller
8
Scan front roller
17
Transport follower roller
9
Platen roller
1
9
11
8
7
2
4
6
3
10
15
12
14 16 17
13
5
MX-RPX1  EXTERNAL VIEW AND INTERNAL STRUCTURE  4 – 2
B. Sensors and switches
No.
Signal
Name
Type
Function/operation
Active condition
1
SCOV
SPF cover SW
Microswitch
Detects open/close of the paper feed 
cover.
H level at cover open.
2
SPPD1
SPF paper entry detection 1 sensor 
(Commonly used for random detection)
Transmission 
type
Detects paper entry and the paper size in 
random feed.
H level when paper is detected.
3
SPPD2
SPF paper entry detection 2 sensor 
(PS front)
Transmission 
type
Detects paper in front of the PS roller.
H level when paper is detected.
4
SPPD3
SPF scan front sensor
Transmission 
type
Detects paper in front of the scan position.
H level when paper is detected.
5
SOCD
SPF open/close sensor
Transmission 
type
Detects open/close of the RSPF.
L level when the RSPF is closed.
6
SPPD5
SPF reverse rear sensor
Transmission 
type
Detects reversed paper.
H level when paper is detected.
7
SPPD4
SPF reverse gate front detection
Transmission 
type
Detects paper in front of the reverse gate. 
H level when paper is detected.
8
SPED
SPF document empty sensor
Transmission 
type
Detects paper empty on the tray.
H level when paper is detected.
9
SPWS
SPF document width sensor
Volume 
resistance
Detects the document width on the tray.
10
SPLS1
SPF document length short sensor
Transmission 
type
Detects the document length on the tray.
H level when paper is detected.
11
SPLS2
SPF document length long sensor
Transmission 
type
Detects the document length on the tray.
H level when paper is detected.
12
STMPU
SPF stamp UN installation sensor
–
Detects installation of the finish stamp unit. 
H level when the finish stamp unit is 
installed.
11
10
9
2 5
8
7
4
3
6 1
MX-RPX1  EXTERNAL VIEW AND INTERNAL STRUCTURE  4 – 3
C. Motors, clutches, solenoids, and PWB
No.
Signal
Name
Type
Function/operation
1
SPFC
SPF paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller.
2
SPRM
SPF paper feed reverse motor
–
Drives the paper feed system rollers and the SWB transport roller.
3
SPFM
SPF transport motor
–
Drives the transport roller and the PS roller. 
4
SRRC
SPF resist roller clutch
Electromagnetic clutch
Controls ON/OFF of the resist roller. 
5
STMPS
Stamp solenoid
–
Drives the finish stamp. 
6
SGS
SPF document exit gate solenoid
Electromagnetic solenoid
Reverses the paper exit gate when ON.
7
–
RSPF driver PWB
–
RSPF driver PWB
5
3
4
7
6
1
2
MX-RPX1  OPERATIONAL DESCRIPTIONS  5 – 1
Service Manual      
 
[5] OPERATIONAL DESCRIPTIONS
1. Document size detection
A. Document size detection
Size detection on the document tray
The document width is detected by the document width sensor
(SPWS), and the document length is detected by the document
length sensors (SPLS1, SPLS2). The document size is judged from
the document width and the document length as shown in the table
below.
When, however, mixed sizes of documents are loaded on the tray,
the maximum size is detected.
2. Paper feed and transport operations
A. Single face scanning
1)
Document set (Document empty sensor ON)
2)
Preliminary paper feed start (1st sheet)
The pick-up roller descends.
3)
Preliminary paper feed complete/Paper feed start (1st sheet)
4)
Resist operation (1st sheet)
5)
Scanning start (1st sheet)
6)
Preliminary paper feed start (2nd sheet)
7)
Preliminary paper feed complete (2nd sheet)
Document size
Document length sensor
SPLS1
SPLS2
AB series
A5
OFF
OFF
B5
OFF
OFF
11" x 8.5"
OFF
OFF
A4
OFF
OFF
B5R
ON
OFF
A4R
ON
OFF
8.5" x 13"
ON
ON
B4
ON
ON
A3
ON
ON
11" x 17"
ON
ON
Inch series
8.5" x 5.5"
OFF
OFF
11" x 8.5"
OFF
OFF
A4
OFF
OFF
11" x 8.5"R
ON
OFF
8.5" x 13"
ON
ON
8.5" x 14"
ON
ON
A3
ON
ON
11" x 17"
ON
ON
SPLS1
SPLS2
SPWS
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