AR-M700 (serv.man16). Details of each section - 2 Paper feed, paper transport - Sharp Copying Equipment Service Manual (repair manual). Page 10

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AR-M550/M620/M700  DETAILS OF EACH SECTION  6 - 14
B. Operational descriptions
(1) Paper feed operation
a. Preliminary operation before paper feed
1) Set paper in the tray, and insert the tray into the machine. The tray
sensor turns on. 
2) The lift-up motor operates to lift the tray. 
3) The paper upper limit sensor turns on to stop the tray at the speci-
fied position.
b. Paper feed operation
1) When copy/print operation is started, the motors (MM, FUM, VPM,
and TRM) and the clutch (TRC) are turned on to turn on the sole-
noid (T1PUS) at the timing of paper pickup. This rotates and falls
the take-up roller to pick up paper. 
2) At the same time, the paper feed roller rotates to feed paper to the
transport section. At that time, the separation roller rotates to pre-
vent against double feed of paper.
(2) Each paper feed tray paper size detection method
a. Paper feed tray 1, 2
The paper feed tray 1 is used exclusively for A4 (11 x 8.5) paper size.
The paper feed tray 2 is used for A4, 11 x 8.5, or B5 paper size.
To change the paper size, change the paper guide and change the set
value of SIM 26-2.
Code
Signal 
name
Name
Function/Operation
Type
Model
Note
T1SPD
T1SPD
Paper remaining quantity 
detector (Paper feed tray 1)
Paper remaining quantity detection 
(Paper feed tray 1)
Transmission 
type
Paper feed tray remaining 
quantity sensor
T2SPD
T2SPD
Paper remaining quantity 
detector (Paper feed tray 2)
Paper remaining quantity detection 
(Paper feed tray 2)
Transmission 
type
Paper feed tray remaining 
quantity sensor
TANSET
TANSET
Paper feed tray 1/2 (Tandem tray) 
detection signal
Paper feed tray 1, 2 (Tandem tray) 
insertion detection
Transmission 
type
Paper feed tray system 
sensor
T1PFC
T1PFC
Paper feed clutch (Paper feed 
tray 1)
Paper freed tray 1 section roller ON/
OFF control
Electromagnetic 
clutch
T2PFC
T2PFC
Paper feed clutch (Paper feed 
tray 2)
Paper freed tray 2 section roller ON/
OFF control
Electromagnetic 
clutch
T1LUM
T1LUM
Paper feed tray lift-up motor 
(Paper feed tray 1)
Drives the lift plate of the paper 
feed tray.
DC brush motor
Selection of Rotation mode/ 
Brake mode
T2LUM
T2LUM
Paper feed tray lift-up motor 
(Paper feed tray 2)
Drives the lift plate of the paper 
feed tray. 
DC brush motor
Selection of Rotation mode/ 
Brake mode
T1PUS
T1PUS
Paper pickup solenoid (Paper 
feed tray 1)
Presses the paper pickup roller 
onto paper.
Electromagnetic 
solenoid
T2PUS
T2PUS
Paper pickup solenoid (Paper 
feed tray 2)
Presses the paper pickup roller 
onto paper.
Electromagnetic 
solenoid
MM
MM
Main motor
Drives the paper feed trays 1, 2, 3, 
and 4, and the manual paper feed 
section.
DC brushless 
motor
Paper pass
T1S PWB T1S PWB Defector PWB (Paper feed tray 1) Paper tray upper limit detection and 
paper empty detection (Paper feed 
tray 1)
T2S PWB T2S PWB Defector PWB (Paper feed tray 2) Paper tray upper limit detection and 
paper empty detection (Paper feed 
tray 2)
No.
Name
Function
1
Lift wire
Transmits drive power of the paper feed tray lift motor to the paper feed tray.
2
Paper feed table
Paper is put on this table.
3
Paper feed tray unit 1, 2 regulation plates L/R
Regulates the paper width to restrict skew to the minimum.
4
Pulley
Transmits drive power of the paper feed tray lift motor to the paper feed tray.
5
Paper pickup roller
Sends paper to the paper feed roller.
6
Separation roller
Separates paper to prevent against double feed.
7
Paper feed roller
Feeds paper to the paper transport section.
8
Torque limiter
PFD2
POM2
POM1
RRC
TRM
VPM
T1PUS
T1PFC
FUM
MM
PPD
POD1
POD2
50mS
79mS
120mS
164mS
74mS
79mS
870mS
439mS
500mS
500mS
500mS
500mS
50mS
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