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