Sharp AR-M256 (serv.man11) Service Manual ▷ View online
AR-M256/M257/M258/M316/M317/M318/5625/5631 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 3
C. Operation panel
No.
Name
Function/Operation
Note
1
Touch panel
The machine status, messages and touch keys are displayed on the panel. The
display will show the status of printing, copying or network scanning according
to the mode that is selected.
display will show the status of printing, copying or network scanning according
to the mode that is selected.
2
Mode select keys and indicators
Use to change modes and the corresponding display on the touch panel.
[COPY] key
Press to select copy mode.
[PRINT] key/ONLINE indicator/
DATA indicator
DATA indicator
[PRINT] key: Press to select print mode.
• ONLINE indicator: Print jobs can be received when this indicator is lit.
• DATA indicator: A print job is in memory. The indicator lights steadily while
• ONLINE indicator: Print jobs can be received when this indicator is lit.
• DATA indicator: A print job is in memory. The indicator lights steadily while
the job is held in memory, and blinks while the job is printed.
[SCAN] key/DATA indicator
[SCAN] key: Press to select network scan mode when the network scanner
option is installed.
• DATA indicator: Lights steadily or blinks while a scanned image is being sent.
When the network
scanner option is
installed.
scanner option is
installed.
[FAX] key/LINE indicator/
DATA indicator
DATA indicator
[FAX] key: Press to select fax mode when the fax function is installed.
• LINE indicator : This lights up while faxes are being sent or received.
• DATA indicator: Blinks when a fax has been received to memory and lights
• LINE indicator : This lights up while faxes are being sent or received.
• DATA indicator: Blinks when a fax has been received to memory and lights
steadily when a fax is waiting in memory for transmission.
When the fax option is
installed.
installed.
3
[JOB STATUS] key
Press to display the current job status.
4
[CUSTOM SETTINGS] key
Use to adjust various settings of the machine including the contrast of the touch
panel and key operator programs.
panel and key operator programs.
5
Numeric keys
Use to enter numeric values for various settings.
6
[ACC.#-C] key
When auditing mode is enabled, press this key after finishing a job to return the
machine to account number entry standby.
machine to account number entry standby.
7
[#/P] key
Use this key to execute a job program in copy mode. The key is also used to
dial in fax mode.
dial in fax mode.
8
[CLEAR] key
Press to clear a copy number setting or cancel a job.
9
[START] key
Press in copy mode, scanner mode, or fax mode to begin copying, network
scanning, or faxing.
This key blinks when auto power shut mode has activated. Press the key to
return to normal operation.
scanning, or faxing.
This key blinks when auto power shut mode has activated. Press the key to
return to normal operation.
10
[INTERRUPT] key
Use to perform an interrupt copy job.
11
[CLEAR ALL] key
Resets the settings to the initial settings.
COPY
PRINT
SCAN
FAX
ON LINE
DATA
DATA
DATA
LINE
JOB STATUS
CUST OM SETTINGS
AC C.#-C
9
10
11
2
3
4
5
6
7
8
1
AR-M256/M257/M258/M316/M317/M318/5625/5631 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 4
D. Job status screen (common to copy, print, network scan and fax)
This screen appears when the [JOB STATUS] key on the operation panel is pressed.
A job list showing the current job and the stored jobs or a list showing completed jobs can be displayed.
The contents of jobs can be viewed and jobs can be deleted from the queue. The following screen shows the job queue for print jobs.
A job list showing the current job and the stored jobs or a list showing completed jobs can be displayed.
The contents of jobs can be viewed and jobs can be deleted from the queue. The following screen shows the job queue for print jobs.
No.
Name
Function/Operation
Note
1
Job list
Shows stored jobs and the job currently being executed. Touch one of
keys 3 to 5 in the above illustration to select the type of job. The icon
next to each job name indicates the mode of the job as follows:
keys 3 to 5 in the above illustration to select the type of job. The icon
next to each job name indicates the mode of the job as follows:
* 1 :"PAPER EMPTY" in the job status
display
"PAPER EMPTY" in the job status display
indicates that the machine is out of the
specified size of paper. Add the specified
size of paper. If the specified size of paper
is not available and you are in printer mode,
another size of paper can be loaded in the
bypass tray to allow printing to take place.
display
"PAPER EMPTY" in the job status display
indicates that the machine is out of the
specified size of paper. Add the specified
size of paper. If the specified size of paper
is not available and you are in printer mode,
another size of paper can be loaded in the
bypass tray to allow printing to take place.
Copy mode
Printer mode
Network scanner mode
Fax mode (Send jobs)
Fax mode (Receive jobs)
The jobs in the job list appear in the form of keys. To give priority to a
job or pause or delete a job, touch the key of the job and then use the
key described in 7 or 8.
job or pause or delete a job, touch the key of the job and then use the
key described in 7 or 8.
2
Mode switching keys
Use to select the job list mode: "JOB QUEUE" (Stored/currently
executing jobs) or "COMPLETE" (Finished jobs).
"JOB QUEUE": Shows jobs that have been stored and the job that is
executing jobs) or "COMPLETE" (Finished jobs).
"JOB QUEUE": Shows jobs that have been stored and the job that is
currently being executed.
"COMPLETE" : Shows the jobs that have been finished. Note that
copy jobs do not appear in this list.
If the power is turned off, or if auto power shut-off
mode activates when there are no jobs, the jobs in
the "COMPLETE" list will be erased.
If the power is turned off, or if auto power shut-off
mode activates when there are no jobs, the jobs in
the "COMPLETE" list will be erased.
3
[PRINT JOB] key
Use to view the list of output jobs for all modes (print, copy, and fax).
4
[SCAN TO] key
Displays a network scanner job.
When the network scanner function is
installed.
installed.
5
[FAX JOB] key
This displays stored fax jobs and the fax job currently being executed.
When the fax option is installed.
6
Display switching keys
Use to change the page of the displayed job list.
7
[STOP/DELETE] key
Use to pause or delete a job currently being executed, or to delete a
stored job. Copy jobs and received faxes cannot be paused or deleted
with this key. Copy jobs can be canceled by pressing the [CLEAR] key
or [CLEAR ALL] key.
stored job. Copy jobs and received faxes cannot be paused or deleted
with this key. Copy jobs can be canceled by pressing the [CLEAR] key
or [CLEAR ALL] key.
8
[PRIORITY] key
Touch this key after selecting a stored job in this [JOB QUEUE] list to
print the job ahead of the other jobs.
print the job ahead of the other jobs.
9
[DETAIL] key
Shows information on the selected job. This cannot be used for a
received fax.
received fax.
1
2
9
3
4
5
6
7
8
AR-M256/M257/M258/M316/M317/M318/5625/5631 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 5
E. Motor, Solenoid, Clutch
F. Sensor
No.
Name
Code
Function and operation
1
Mirror motor
MIRM
Optical mirror base drive
2
Shifter motor
SFTM
Shifter drive
3
Paper exit gate
switching solenoid
switching solenoid
OGS
Paper exit gate switcher
4
Duplex motor
DPXM
Duplex paper switching
and exit motor
and exit motor
5
DUP-2 motor
Reverse pass for paper
transport
transport
6
Cooling fan
VFM
Cools the inside of the unit.
7
Main motor
MM
Main drive
8
PS clutch
RRC
Main unit paper feed
9
Paper feed clutch
CPFS1
Paper feed roller drive
10
Manual paper feed
solenoid
solenoid
MPFS
Manual paper feed
solenoid
solenoid
11
Paper feed transfer
clutch
clutch
TRC2
Paper feed transfer clutch
12
2nd cassette paper
feed clutch
feed clutch
CPFS2
13
Cassette lift-up motor
LUM1
Cassette paper lift-up
14
Cassette lift-up motor
LUM2
Cassette paper lift-up
15
2nd cassette paper
feed solenoid
feed solenoid
CPFC2
Solenoid for the paper feed
from the cassette
from the cassette
16
Paper feed solenoid
CPFC1
Solenoid for the paper feed
from the cassette
from the cassette
17
Toner motor
TM
Toner supply
18
Separation pawl
solenoid
solenoid
PSPS
Separation pawl operation
solenoid
solenoid
19
Exhaust fan motor
DCFM
Cools the inside of the unit.
20
Intake fan motor
DCFM2
21
Fusing paper exit fan
VFM2
Cools the inside of the unit.
(31 sheet model)
(31 sheet model)
1
2
6
6
3
4
5
7
8
9
8
9
10
11
19
20
12
13
14
15
16
17
18
21
21
No.
Name
Code
Function and operation
1
Mirror home position
sensor
sensor
MHPS
Mirror (scanner) home
position detection
position detection
2
Document cover
sensor
sensor
OCSW
Document cover open/close
detection
detection
3
Document size
sensor
sensor
DSIN3
Document size detection
(Inch series: PD3, 4)
(AB series: PD4, 5)
(Inch series: PD3, 4)
(AB series: PD4, 5)
4
2nd paper exit sensor
POD2
2nd paper exit detection
5
2nd paper exit full
detection sensor
detection sensor
TOPF
2nd paper exit section full
detection
detection
6
Right cabinet door
switch
switch
DSWR0 Right cabinet door open/
close detection
7
1st paper exit sensor
POD1
1st paper exit detection
8
Shifter home position
sensor
sensor
SFTHP
Shifter home position sensor
detection
detection
9
Paper exit sensor
(DUP side)
(DUP side)
PPD2
Paper exit detection
10
Thermistor
Fusing temperature
detection
detection
11
Thermostat
Abnormal high temperature
detection in the fusing section
detection in the fusing section
12
1st cassette (paper
tray) detection
tray) detection
CD1
1st cassette (paper tray)
empty detection
empty detection
13
Manual feed paper
entry sensor
entry sensor
PPD1L
Sensor of paper entry from
the manual paper feed tray,
the 2nd/multi-stage desk, or
the DUP
the manual paper feed tray,
the 2nd/multi-stage desk, or
the DUP
14
Manual paper feed
tray empty sensor 2
tray empty sensor 2
MPLS2
Manual feed tray position
detection
detection
15
Manual paper feed
tray empty sensor 1
tray empty sensor 1
MPLS1
Manual feed tray position
detection
detection
16
Manual feed length
detection sensor 1
detection sensor 1
MPLD1
Manual feed paper length
detection
detection
17
Manual feed length
detection sensor 2
detection sensor 2
MPLD2
Manual feed paper length
detection
detection
18
Manual feed paper
empty sensor
empty sensor
MPED
Manual feed paper empty
detection
detection
19
Door switch
DSWR1 Front door and side door
open/close detection
20
2nd right door switch
DSWR2 Side door open/close
detection
1
2
3
6
7
8
9
12
14
15
15
16
17
18
31
19
20
21
22
23
24
25
26
27
28
13
29
30
10
4
5
11
AR-M256/M257/M258/M316/M317/M318/5625/5631 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 6
G. PWB unit
H. Section
21
2nd cassette paper
pass sensor
pass sensor
PFD2
2nd cassette paper pass
22
2nd cassette paper
upper limit detection
sensor
upper limit detection
sensor
LUD2
2nd cassette paper upper
limit detection
limit detection
23
2nd cassette paper
empty sensor
empty sensor
PED2
2nd cassette paper empty
detection
detection
24
1st cassette paper
pass sensor
pass sensor
PPD1H
1st cassette paper pass
25
1st cassette paper
upper limit detection
sensor
upper limit detection
sensor
LUD1
1st cassette paper upper
limit detection
limit detection
26
1st cassette paper
empty sensor
empty sensor
PED1
1st cassette paper empty
detection
detection
27
Toner sensor
Toner density detection
28
Center tray paper
YES/NO sensor
YES/NO sensor
LOEMP Center tray paper YES/NO
detection
29
Main switch
PSSW
Main power switch
30
Original size sensor
DSIN0
Document size detection
(Inch series: PD1, 2)
(AB series: PD1 – 3)
(Inch series: PD1, 2)
(AB series: PD1 – 3)
31
Reverse pass paper
detection sensor
detection sensor
DUP2
Reverse pass detection
No.
Name
Function and operation
1
Inverter PWB
Copy lamp control
2
CCD PWB
For image scanning (read)
3
Option connector PWB
4
IMC PWB
Image process
5
MCU PWB
Main unit control
6
Mother board
Connection with FAX PWB and
PCL PWB
PCL PWB
7
Tray interface PWB
2nd tray control
8
DC power supply PWB
DC voltage control
9
High voltage PWB
High voltage control
10
KEY PWB
11
OPU PWB
Operation panel control
No.
Name
Code
Function and operation
1
2
3
4
5
6
7
8
9
10
11
No.
Name
Function and operation
1
Copy lamp
Image radiation lamp
2
Copy lamp unit
Operates in synchronization with
2nd/3rd mirror unit to radiate
documents sequentially.
2nd/3rd mirror unit to radiate
documents sequentially.
3
LSU unit
Converts image signals into laser
beams to write on the dum.
beams to write on the dum.
4
Lens unit
Reads images with the lens and
the CCD.
the CCD.
5
MC holder unit
Supplies negative charges evenly
on the drum.
on the drum.
6
Paper exit roller
Paper exit roller
7
Transport roller
Paper transport roller
8
Upper heat roller
Fuses toner on paper.
(with the Teflon roller)
(with the Teflon roller)
9
Lower heat roller
Fuses toner on paper.
(with the silicone rubber roller)
(with the silicone rubber roller)
10
Drum unit
Forms images.
11
DUP transport follower
roller
roller
Duplex paper transport
12
DUP transport roller
Duplex paper transport
13
Transport roller
Transfer images on the drum onto
paper.
paper.
14
Resist roller
Synchronize the paper lead edge
with the image lead edge.
with the image lead edge.
15
Manual feed tray
Manual feed paper tray
16
Manual paper feed roller
Picks up papers in manual paper
feed port.
feed port.
17
Manual feed transport
roller
roller
Transports paper from the manual
paper feed port.
paper feed port.
18
1st cassette pick-up roller
Picks up paper from the cassette.
19
1st cassette paper feed
roller
roller
Transports the picked up paper to
RESIST section.
RESIST section.
20
2nd cassette pick-up
roller
roller
Picks up paper from the cassette.
21
2nd cassette paper feed
roller
roller
Transports the picked up paper to
RESIST section.
RESIST section.
22
MG roller
Puts toner on the OPC drum.
23
2nd/3rd mirror unit
Reflects the images from the copy
lamp unit to the lens unit.
lamp unit to the lens unit.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
11
12
13
14
16
17
18
19
17
18
19
15
20
21
22
23
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