Sharp AR-M351N / AR-M451N (serv.man4) Service Manual ▷ View online
CAUTION
Cautions on laser
Wave length
785 nm
+10 nm
−
15 nm
Pulse times
North America:
35 cpm model: (6.2 µs ± 6.2 ns)/7 mm
45 cpm model: (4.8 µs ± 4.8 ns)/7 mm
Europe:
35 cpm model: (6.2 µs ± 6.2 ns)/7 mm
45 cpm model: (4.8 µs ± 4.8 ns)/7 mm
45 cpm model: (4.8 µs ± 4.8 ns)/7 mm
Output power
0.2 mW - 0.4 mW
At the production line, the output power of the scanner unit
is adjusted to 0.4 MILLIWATT PLUS 8 % and is maintained
constant by the operation of the Automatic Power Control (APC).
is adjusted to 0.4 MILLIWATT PLUS 8 % and is maintained
constant by the operation of the Automatic Power Control (APC).
Caution
This product contains a low power laser device. To ensure
safety do not remove any cover or attempt to gain access
to the inside of the product. Refer all servicing to qualified
personnel.
This product contains a low power laser device. To ensure
safety do not remove any cover or attempt to gain access
to the inside of the product. Refer all servicing to qualified
personnel.
For Europe:
CLASS 1 LASER PRODUCT
LASER KLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
CAUTION
INVISIBLE LASER RADIATION
WHEN OPEN INTERLOCKS
DEFEATED. AVOID EXPOSURE
TO BEAM.
WHEN OPEN INTERLOCKS
DEFEATED. AVOID EXPOSURE
TO BEAM.
VORSICHT
UNSICHTBARE
LASERSTRAHLUNG WENN
ABDECKUNG GEÖFFNET UND
SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT. NICHT DEM
STRAHL AUSSETZEN.
LASERSTRAHLUNG WENN
ABDECKUNG GEÖFFNET UND
SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT. NICHT DEM
STRAHL AUSSETZEN.
ADVARSEL
USYNLIG LASERSTRÅLNING
VED ÅBNING, NÅR
SIKKERHEDSBRYDERE ER
UDE AF FUNKTION. UNDGÅ
UDSAETTELSE FOR
STRÅLNING.
VED ÅBNING, NÅR
SIKKERHEDSBRYDERE ER
UDE AF FUNKTION. UNDGÅ
UDSAETTELSE FOR
STRÅLNING.
VAROITUS!
LAITTEEN KÄYTTÄMINEN
MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA
MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN
TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE
NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE.
MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA
MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN
TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE
NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE.
VARNING
OM APPARATEN ANVÄNDS PÅ
ANNAT SÄTT ÄN I DENNA
BRUKSANVISNING
SPECIFICERATS, KAN
ANVÄNDAREN UTSÄTTAS FÖR
OSYNLIG LASERSTRÅLNING,
SOM ÖVERSKRIDER GRÄNSEN
FÖR LASERKLASS 1.
ANNAT SÄTT ÄN I DENNA
BRUKSANVISNING
SPECIFICERATS, KAN
ANVÄNDAREN UTSÄTTAS FÖR
OSYNLIG LASERSTRÅLNING,
SOM ÖVERSKRIDER GRÄNSEN
FÖR LASERKLASS 1.
For North America:
SAFETY PRECAUTIONS
This Digital Equipment is rated Class 1 and complies with 21 CFR 1040.10 and 1040.11 of the
CDRH standards. This means that the equipment does not produce hazardous laser radiation. For
your safety, observe the precautions below.
CDRH standards. This means that the equipment does not produce hazardous laser radiation. For
your safety, observe the precautions below.
●
Do not remove the cabinet, operation panel or any other covers.
●
The equipment's exterior covers contain several safety interlock switches. Do not bypass any
safety interlock by inserting wedges or other items into switch slots.
safety interlock by inserting wedges or other items into switch slots.
Caution
Use of controls or adjustments or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
Use of controls or adjustments or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
CLASS 1
LASER PRODUCT
LASER KLASSE 1
CAUTION
VORSICHT
ADVARSEL
ADVERSEL
VARNING
VARO!
VORSICHT
ADVARSEL
ADVERSEL
VARNING
VARO!
INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED.
AVOID EXPOSURE TO BEAM.
AVOID EXPOSURE TO BEAM.
Laserstrahl
UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEÖFFNET UND
SICHERHEITSVERRIEGELUNG ÜBERERÜCKT. NICHT DEM STRAHL AUSSETZEN.
SICHERHEITSVERRIEGELUNG ÜBERERÜCKT. NICHT DEM STRAHL AUSSETZEN.
USYNLIG LASERSTRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER
UDE AF FUNKTION. UNDGÅ UDSAETTELSE FOR STRÅLNING.
UDE AF FUNKTION. UNDGÅ UDSAETTELSE FOR STRÅLNING.
USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS BRYTES.
UNNGÅ EKSPONERING FOR STRÅLEN.
UNNGÅ EKSPONERING FOR STRÅLEN.
OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRRAR ÄR
URKOPPLADE. STRÅLEN ÄR FARLIG. BETRAKTA EJ STRÅLEN.
URKOPPLADE. STRÅLEN ÄR FARLIG. BETRAKTA EJ STRÅLEN.
AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTÖNTÄ
LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
CONTENTS
[1]
GENERAL
1.
Note for servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
A. Cautions for servicing . . . . . . . . . . . . . . . . . . . . . .1-1
[2]
CONFIGURATION
1.
System configuration . . . . . . . . . . . . . . . . . . . . . . . . .2-1
A. Basic system . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
B. Option lineup . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
C. List of combination of peripheral devices . . . . . . .2-4
[3]
SPECIFICATIONS
1.
Basic Specification . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
A. Base Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
B. Document Feeding Equipment . . . . . . . . . . . . . . .3-2
C. Output Equipment . . . . . . . . . . . . . . . . . . . . . . . . .3-2
2.
Specific Function . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
A. Printer Function . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
B. Image send function . . . . . . . . . . . . . . . . . . . . . . .3-5
C. Copy function . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7
3.
B/W Scanner Module (DSPF). . . . . . . . . . . . . . . . . . .3-8
4.
Rack for Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
[4]
CONSUMABLE PARTS
1.
Supply system table . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
A. European Subsidiary/East Europe/Russia/
Australia/New Zealand . . . . . . . . . . . . . . . . . . . . .4-1
B. Taiwan (Aurora). . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
C. Asia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
D. Middle East/Africa/Israel/Philippines . . . . . . . . . . .4-1
E. Hong Kong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
F. China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
2.
Maintenance parts list. . . . . . . . . . . . . . . . . . . . . . . . .4-2
A. Europe/Australia/New Zealand/Taiwan . . . . . . . . .4-2
B. Agency/Asia/Middle East/Africa/Latin America . . .4-2
C. Hong Kong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
D. China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
2.
Production number identification . . . . . . . . . . . . . . . .4-4
A. Drum cartridge. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
B. Toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
C. Developer cartridge . . . . . . . . . . . . . . . . . . . . . . . .4-4
3.
Environmental conditions . . . . . . . . . . . . . . . . . . . . . .4-4
A. Operating conditions . . . . . . . . . . . . . . . . . . . . . . .4-4
B. Storage conditions. . . . . . . . . . . . . . . . . . . . . . . . .4-4
[5]
EXTERNAL VIEWS AND INTERNAL STRUCTURES
1.
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
2.
Interior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
3.
Operation panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
4.
Job status screen (common to print, copy, fax,
network scan and Internet fax) . . . . . . . . . . . . . . . . . .5-4
network scan and Internet fax) . . . . . . . . . . . . . . . . . .5-4
5.
Cross sectional view . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
A. Scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
B. Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
6.
Switch, Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
A. Scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
B. Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
7.
PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
A. Scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
B. Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
8.
Motor, Clutch, Solenoid . . . . . . . . . . . . . . . . . . . . . . . 5-8
A. Scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
B. Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
[6]
UNPACKING AND INSTALLATION
[Europe] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
1.
Installing procedure flowchart . . . . . . . . . . . . . . . . . . 6-1
2.
Note for installation place . . . . . . . . . . . . . . . . . . . . . 6-2
3.
Unpacking procedure . . . . . . . . . . . . . . . . . . . . . . . . 6-2
4.
Machine installing procedure. . . . . . . . . . . . . . . . . . . 6-3
A. Remove the locking tape . . . . . . . . . . . . . . . . . . . 6-3
B. Setting related to process . . . . . . . . . . . . . . . . . . 6-3
C. Toner cartridge settings . . . . . . . . . . . . . . . . . . . . 6-3
D. Setting related to fusing . . . . . . . . . . . . . . . . . . . . 6-4
E. Paper setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
5.
Automatic developer adjustment . . . . . . . . . . . . . . . . 6-5
6.
Print test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
7.
Attach the document scanning label . . . . . . . . . . . . . 6-5
8.
Adjuster installation and adjustment . . . . . . . . . . . . . 6-5
9.
Using the transport handle . . . . . . . . . . . . . . . . . . . . 6-5
[Except for Europe] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
1.
Installing procedure flowchart . . . . . . . . . . . . . . . . . . 6-7
2.
Note for installation place . . . . . . . . . . . . . . . . . . . . . 6-8
3.
Unpacking procedure . . . . . . . . . . . . . . . . . . . . . . . . 6-8
4.
Unpacking and installation of the desk unit . . . . . . . . 6-9
A. AR-D28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
B. AR-D27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
C. AR-MU2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
5.
Unpacking and installation of the rack. . . . . . . . . . . 6-14
6.
Unpacking and installation of the AR-EF3. . . . . . . . 6-15
7.
Machine installing procedure. . . . . . . . . . . . . . . . . . 6-16
A. Setting related to process . . . . . . . . . . . . . . . . . 6-16
B. Toner cartridge settings . . . . . . . . . . . . . . . . . . . 6-16
C. Setting related to fusing . . . . . . . . . . . . . . . . . . . 6-17
D. Paper setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
8.
Automatic developer adjustment . . . . . . . . . . . . . . . 6-17
9.
Print test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
10. Distortion adjustment. . . . . . . . . . . . . . . . . . . . . . . . 6-18
11. Attach the document scanning label . . . . . . . . . . . . 6-18
12. Adjuster installation and adjustment . . . . . . . . . . . . 6-18
13. Using the transport handle . . . . . . . . . . . . . . . . . . . 6-19
[7]
MAINTENANCE AND DETAILS OF EACH SECTION
[Maintenance System Table] . . . . . . . . . . . . . . . . . . . . . . .7-1
1.
Engine section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
2.
Scanner / DSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2
3.
Peripheral devices . . . . . . . . . . . . . . . . . . . . . . . . . . .7-3
[DETAILS OF EACH SECTION] . . . . . . . . . . . . . . . . . . . .7-4
1.
Process section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-4
[OPC drum section] . . . . . . . . . . . . . . . . . . . . . . . . . .7-6
[Transfer section] . . . . . . . . . . . . . . . . . . . . . . . . . . .7-11
[Developing section] . . . . . . . . . . . . . . . . . . . . . . . . .7-16
2.
Fusing section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-21
3.
Paper feed section . . . . . . . . . . . . . . . . . . . . . . . . . .7-26
4.
Transport section/Paper exit reverse section . . . . . .7-33
5.
Laser scanner section. . . . . . . . . . . . . . . . . . . . . . . .7-43
6.
Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-46
7.
DSPF section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-54
8.
Operation panel section . . . . . . . . . . . . . . . . . . . . . .7-62
9.
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-66
10. Drive section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-67
11. Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-69
12. PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-72
13. Fan motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-74
[8]
ADJUSTMENTS
1.
Process section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
A. Doctor gap adjustment . . . . . . . . . . . . . . . . . . . . .8-1
B. MG roller main pole position adjustment . . . . . . . .8-1
C. High voltage output adjustment. . . . . . . . . . . . . . .8-2
2.
Image check, adjustment . . . . . . . . . . . . . . . . . . . . . .8-3
A. Adjustments on the engine side . . . . . . . . . . . . . .8-3
B. Adjustment on the scanner side . . . . . . . . . . . . . .8-6
3.
Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-10
A. OC scan distortion adjustment
(MB-B rail height adjustment) . . . . . . . . . . . . . . .8-10
B. Vertical image distortion balance adjustment
(Copy lamp unit installing
position adjustment) . . . . . . . . . . . . . . . . . . . . . .8-11
position adjustment) . . . . . . . . . . . . . . . . . . . . . .8-11
C. Vertical image distortion balance adjustment
(No. 2/3 mirror base unit installing
and position adjustment) . . . . . . . . . . . . . . . . . . .8-11
and position adjustment) . . . . . . . . . . . . . . . . . . .8-11
D. Vertical (sub scanning direction) distortion
adjustment [Winding pulley position
adjustment] . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-11
adjustment] . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-11
E. Height adjustment of original detection
light emitting unit . . . . . . . . . . . . . . . . . . . . . . . . .8-12
F. Original size detection photo sensor check . . . . .8-12
G. Original size detection photo sensor
adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-12
H. Image density adjustment . . . . . . . . . . . . . . . . . .8-13
I.
DSPF width detection adjustment . . . . . . . . . . . .8-17
[9]
SIMULATION
1.
Outline and purpose . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
2.
Code-type simulation. . . . . . . . . . . . . . . . . . . . . . . . . 9-1
A. Operating procedures and operations . . . . . . . . . 9-1
B. Simulation list . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
C. Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
3.
Other related items . . . . . . . . . . . . . . . . . . . . . . . . . 9-87
[10] MACHINE OPERATION
1.
Acceptable originals . . . . . . . . . . . . . . . . . . . . . . . . 10-1
A. Size and weight of acceptable originals . . . . . . . 10-1
B. Total number of originals that can be set
in the document feeder tray . . . . . . . . . . . . . . . . 10-1
2.
Standard original placement orientations . . . . . . . . 10-1
3.
Automatic copy image rotation -
rotation copying . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
rotation copying . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
4.
Specifications of paper trays . . . . . . . . . . . . . . . . . . 10-2
A. Applicable plain paper . . . . . . . . . . . . . . . . . . . . 10-2
B. Applicable special paper . . . . . . . . . . . . . . . . . . 10-3
5.
Printing onto envelopes . . . . . . . . . . . . . . . . . . . . . . 10-3
A. Fusing unit pressure adjusting levers . . . . . . . . 10-3
[11] TROUBLE CODES
1.
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
2.
Trouble codes list . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
3.
Details of trouble codes . . . . . . . . . . . . . . . . . . . . . . 11-3
4.
Other related items . . . . . . . . . . . . . . . . . . . . . . . . 11-14
[12] ROM VERSION-UP METHOD
1.
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
2.
Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
3.
Flash ROM update procedures . . . . . . . . . . . . . . . . 12-1
A. Preliminary arrangement . . . . . . . . . . . . . . . . . . 12-1
B. Update procedure 1 (Writing with each ROM
inserted to the specified slot) . . . . . . . . . . . . . . . 12-2
C. Update procedures 2 (Writing to each ROM
by use of CN6 of the controller PWB) . . . . . . . . 12-2
D. In case of “Result: NG” . . . . . . . . . . . . . . . . . . . 12-3
E. Turning off the power during update . . . . . . . . . 12-3
F. Update window display in normal booting . . . . . 12-3
G. Update process flow . . . . . . . . . . . . . . . . . . . . . 12-3
[13] ELECTRICAL SECTION
1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
2.
Actual wiring chart . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2
3.
Signal name list . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-19
AR-M351N/M451N GENERAL 1 - 1
[1] GENERAL
1. Note for servicing
Pictogram
This Service Manual uses some pictographs to assure safe opera-
tion.
tion.
Please understand the meanings of pictographs before servicing.
CAUTION: If this CAUTION is ignored, an injury or damage to
property could occur.
A. Cautions for servicing
1) Do not touch the photoconductive drum. Scratches or
smudges on the drum will cause dirty printouts.
2) The fusing unit is extremely hot. Exercise care in this area.
3) Do not look directly at the light source of the scanner module.
Doing so may damage your eyes.
4) Five adjusters are provided on all optional stand/paper drawer
units. These adjusters should be lowered until they contact the
floor.
floor.
5) Do not make any modifications to this machine. Doing so may
result in personal injury or damage to the machine.
6) Since this machine is heavy, it is recommended that it be
moved by more than one person to prevent injury.
7) When connecting this machine to a computer, be sure to first
turn both the computer and the machine off.
8) Do not print anything which is prohibited from printing by law.
The following items are normally prohibited from printing by
national law. Other items may be prohibited by local law.
national law. Other items may be prohibited by local law.
• Money
• Stamps
• Bonds
• Stocks
• Bank drafts
• Checks
• Passports
• Driver's licenses
9) Do not throw toner or a toner cartridge into fire. Toner may be
spattered, causing a burn.
10) Store toner or toner cartridges in a hard-to-reach place for chil-
dren.
Fusing unit
Lock
Release
Adjuster