AR-M316 (serv.man10). ARM256 316 Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 115

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AR-M256/M257/M258/M316/M317/M318/5625/5631  DISASSEMBLY, ASSEMBLY AND MAINTENANCE 10 - 3
2. Counter clear
31 sheet model: When maintenance message is displayed, replace
consumption part reaching the number of sheets of maintenance,
then clear the replaced part's counter only.
3. List of disassembly and assembly
Item
SIM
Remarks
Maintenance cycle setting
SIM 21-1
Jam/trouble counter clear
SIM 24-1
Paper feed counter clear
SIM 24-2
Scan/Stapler/Punch/Saddle 
stitch counter clear
SIM 24-3
Maintenance counter clear
SIM 24-4 *
Developing counter clear
SIM 24-5 At developer replacement
Copy counter clear
SIM 24-6
Drum counter clear
SIM 24-7 At drum replacement
Printer, IMC, Duplex, other 
counter clear
SIM 24-9
FAX counter clear
SIM 24-10
Scanner mode counter clear SIM 24-15
Unit
Parts
A. Process unit
(1) Drum
(2) Drum section
a.  Main charger
b.
Cleaning blade
c.
Drum frame unit
d.
Moquette F/R
e.
Separation pawl
B. Developing unit
(1) Developer
(2) DV seal/side seal N/side seal N2/side 
mylar
C. Fusing unit
(1) Thermostat
(2) Thermistor
(3) Paper guide
(4) Fusing Separation Pawl (lower)
(5) Lower heat roller
(6) Heater lamp
(7) Fusing Separation Pawl (upper)
(8) Upper heat roller
D. Optical section
(1) CCD unit
(2) Lamp unit
a.
Lamp
b.
PWB
c.
Wire
d.
Mirror motor
E. Paper feed 
section
(1) Paper feed solenoid
(2) Cassette sensor PWB
(3) Manual P-in sensor/Manual empty sensor
(4) Multi manual 
paper feed
a.
Paper feed roller/
pickup roller
b.
Reverse sensor
c.
Separation sheet
d.
Clutch/solenoid
(5) Upper 500 
sheets tray 
paper feed
a.
Paper feed roller/
pickup roller
b.
Separation sheet
(6) Lower 500 
sheets tray 
paper feed
a.
Paper feed roller/
pickup roller
b.
Separation sheet
c.
Lift up unit
d.
Transport clutch
e.
Paper feed clutch
f.
Transport clutch
g.
Solenoid
h.
Sensor PWB
I.
Dehumidification 
heater
F. Side door unit
(1) Transport roller unit
(2) Transport roller
(3) DUP transport roller
(4) DUP motor
G. 1st paper exit 
unit
(1) Exit roller
(2) Cooling fan
H. 2nd paper exit 
unit
(1) Switch
(2) Sensor
(3) Roller
I. Laser unit
(1) LSU
J. Power unit
(1) Power source
K. PWB
(1) Option CN PWB
(2) IMC PWB
(3) MCU PWB
(4) Motherboard PWB
(5) Second interface PWB
L. Ozone filter
M. Drive section
(1) DUP reverse motor
(2) Main drive motor
(3) Toner motor
(4) Drive unit
(5) PS transport clutch
(6) Paper feed clutch
(7) Lift up motor
N. Transport section
(1) Transport roller
O. Operation 
section
(1) Operation section
(2) OPU PWB
(3) Key PWB
(4) LCD unit
P. Switch
(1) Power switch/
Unit
Parts
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