Sharp AR-M300 Service Manual ▷ View online
AR-M300N MAINTENANCE 7-1
[7] MAINTENANCE
1. Self print of set values
Use SIM 22-6 to print the set values (machine settings) and jam history.
These values must be printed before execution of maintenance or disassembly procedures.
2. Maintenance System Table
The maintenance items and positions are the same as those of the AR-M350 series.
A. Scanner / DSPF
Maintenance cycle : 100K
Note 1: Replacement reference: Same as above or 2 years.
X Check (Clean, replace, or adjust as necessary.)
O Clean
Replace
Adjust
Lubricate
Move position
Unit name
Part name
When
calling
100k
200k
300k
400k
Remark
Optical section Mirror/Lens/Reflector/Sensors
O
O
O
O
O
Table glass/OC
O
O
O
O
O
White reference sheet
O
O
O
O
O
Rails
Drive belt/Drive wire/Pulley
X
X
X
X
DSPF
Paper feed section
Take-up roller
O
Note 1
Separation pad
O
Note 1
Paper feed roller
O
Note 1
Transport section
PS roller
O
O
O
O
O
Exposure section
(Dust-proof glass)
(Dust-proof glass)
O
O
O
O
O
Paper exit section
Paper feed roller SPF
O
O
O
O
O
Other
Sensors
O
O
O
O
For cleaning, blow air.
Finish stamp section
[Option]
(Japan only)
[Option]
(Japan only)
Stamp solenoid
Stamp individual part
X
X
X
X
X
User replacement
at 10K or 1 year.
at 10K or 1 year.
! "#
AR-M300N MAINTENANCE 7-2
B. Engine section
*
For disassembly procedures, refer to the AR-P350/P450 Service Manual.
Maintenance cycle : 100K
Note 2: Replacement reference: Use the counter value of each paper feed port as the replacement reference.
Paper feed roller/Torque limiter section: 80K or 2 years
O Check (Clean, replace, or adjust as necessary.)
X Clean
Replace
Adjust
Lubricate
Move position
Unit name
Part name
When
calling
100k
200k
300k
400k
Remark
Drum peripheral
Drum
Installed when shipping
Cleaner blade
Toner reception seal
Side molt
Transfer roller
X
Discharge plate
X
TR bearing (F/R)
X
X
X
After-transfer star ring
X
X
X
TR gear
X
X
X
Screen grid
(O)X
Drum separation pawl UN
Charger case (M/C)
O
O
O
O
Charging plate
(saw teeth)
(saw teeth)
(O)X
Developing section
Developer
Supplied when installing
DV blade
DSD collar
O
O
O
O
DV side seal F
DV side seal R
Toner cartridge
Attached when installing./
EX Japan: 814g,
user replacement for every 27K.
EX Japan: 814g,
user replacement for every 27K.
Fusing section
Upper heat roller
O
O
Lower heat roller
O
O
Upper separation pawl
X
X
Lower separation pawl
X
X
Thermistor
X
X
X
X
Clean and remove paper dust.
Upper heat roller gear
X
X
Paper guides
O
O
O
O
O
Gears
Cleaning roller
X
X
CL roller collar
Filters
Ozone filter
Paper feed section
Paper feed roller
O
X
X
X
X
Note 2
Torque limiter
X
X
X
X
X
Note 2
Transport section
Paper exit reverse section
Paper exit reverse section
PS follower roller
O
O
O
O
O
Transport rollers
O
O
O
O
O
Transport paper guides
O
O
O
O
O
Paper dust remover
Drive section
Gears
(Specified position)
Belts
X
Image quality
X
X
X
X
X
Other
Sensors
X
X
X
X
$ ! "#
AR-M300N MAINTENANCE 7-3
C. Peripheral devices
Maintenance cycle : 100K
Note 3: Replacement reference: Use the counter value of each paper feed port as the replacement reference
Paper feed roller / Torque limiter section: 80K or 2 years
O Check (Clean, replace, or adjust as necessary.)
X Clean
Replace
Adjust
Lubricate
Move position
Option name
Part name
When
calling
100k
200k
300k
400k
Remark
ADU
+ Manual feed
+ Manual feed
Paper feed
separation section
separation section
Paper feed
rollers
rollers
(O)X
X
X
X
X
Note 3
Separation pad
(O)X
X
X
X
X
Note 3
Torque limiter
(O)X
X
X
X
X
Note 3
Transport section
Transport rollers
O
O
O
O
O
Transport paper
guides
guides
O
O
O
O
O
Drive section
Gears
(Specified position)
Belts
X
Other
Sensors
X
X
X
X
X
Desk
(Multi stage LCC)
Multi purpose
(Multi stage LCC)
Multi purpose
Paper feed
separation section
separation section
Paper feed
rollers
rollers
(O)X
X
X
X
X
Note 3
Torque limiter
(O)X
X
X
X
X
Note 3
Transport section
Transport roller
O
O
O
O
O
Transport paper
guides
guides
O
O
O
O
O
Drive section
Gears
(Specified position)
Belts
X
Other
Sensors
X
X
X
X
X
Finisher
Transport section
Transport rollers
O
O
O
O
O
De-curler roller
(O)X
X
X
X
X
Transport paper
guides
guides
O
O
O
O
O
Drive section
Gears
(Specified position)
Belts
X
Other
Sensors
X
X
X
X
X
Discharge brush
X
X
X
X
X
Staple unit
Replace Unit
at 100K staple.
at 100K staple.
Staple cartridge
User replacement
for every 3000pcs.
for every 3000pcs.
Mail-bin
stacker
stacker
Transport section
Transport roller
O
O
O
O
O
Transport paper
guides
guides
O
O
O
O
O
Drive section
Gears
(Specified position)
Belts
X
Other
Sensors
X
X
X
X
X
Discharge brush
X
X
X
X
X
Saddle finisher
Transport section
Transport roller
O
O
O
O
O
Transport paper
guides
guides
O
O
O
O
O
Drive section
Gears
(Specified position)
Belts
X
Other
Sensors
X
X
X
X
X
Discharge brush
X
X
X
X
X
Staple Unit
Replace Unit at 100K staple
(including the staple UN and
the holder section).
(including the staple UN and
the holder section).
Staple cartridge
User replacement
for every 5000 pcs.
for every 5000 pcs.
% ! "#
AR-M300N ADJUSTMENTS 8-1
[8] ADJUSTMENTS
1. Process section
A. High voltage output adjustment
(1) Developing bias output check and setup
1) Remove the rear cabinet to allow checking of the high voltage
monitor output pin.
2) Execute the simulation of the target high voltage.
(See the table below.)
3) Select the mode to be set with 10-key, and press START key.
4) Enter the set value with 10-key and press START key. The set value
is outputted for 30 sec.
5) Apply a high voltage tester between the measurement pin and the
frame.
Note: Take care not to short the measuring pin to the frame.
6) The unit stops after 30 sec of output.
2. Engine section
A. Resist quantity setup
•This adjustment requires a high level of accuracy.
We recommend using the default setting.
This adjustment is performed in the following cases:
•When the void quantity is changed by the paper feed tray.
•When the void quantity is changed by the paper feed tray.
•When paper is skewed.
Complete the following adjustments before performing resist quantity
setup.
•LSU right angle adjustment
•Print magnification ratio adjustment
•Print magnification ratio adjustment
•Print off-center setup
•Void area setup
1) Execute SIM 51-2.
2) Adjust the resist quantity so that paper transport is stable.
<Factory setup value>
Default
Set range
Measurement
pin
High voltage
probe
impedance
Monitor output
voltage
Set value
MC grid MAIN GRID
(SIM 8-2)
(SIM 8-2)
AUTO
AE mode
-650V±5V
645
200~900
CN2-7
100M
Ω
CHARACTER Text mode
-650V±5V
645
200~900
MIX
Text/Photo
mode
mode
-650V±5V
645
200~900
PHOTO
Photo mode
-650V±5V
645
200~900
PRINTER
Printer mode
-650V±5V
645
200~900
FAX
Fax mode
-650V±5V
645
200~900
Transfer current THV+
(SIM 8-6)
(SIM 8-6)
FRONT
Front
45PPM : 267
31/35PPM : 220
0~620
BACK
Back
45PPM : 310
31/35PPM : 267
0~620
Developing bias DV BIAS
(SIM 8-1)
(SIM 8-1)
AUTO
AE mode
-500V±5V
485
0~745
CN2-1
100M
Ω
CHARACTER Text mode
-500V±5V
485
0~745
MIX
Text/Photo
mode
mode
-500V±5V
485
0~745
PHOTO
Photo mode
-500V±5V
485
0~745
PRINTER
Printer mode
-500V±5V
485
0~745
FAX
Fax mode
-500V±5V
485
0~745
PLUS
Positive bias
+150V±5V
150
0~255
Separation voltage SHV
(SIM 8-17)
(SIM 8-17)
FRONT
Front
+1.25V±0.1V
45PPM : 160
31/35PPM : 120
0~375
CN2-3
10M
Ω
BACK
Rear
+1.25V±0.1V
45PPM : 160
31/35PPM : 120
0~375
Transfer voltage THV
(SIM 8-17)
(SIM 8-17)
-800V±10V
780
0~1250
CN2-5
10G
Ω
45PPM
BPT
55
T1
60
T2
50
DESK
50
ADU
50
31/35PPM
BPT
60
T1
65
T2
55
DESK
55
ADU
55
!"#$%
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