AR-275 (serv.man9). Consumable parts Unpacking and installation External view and internal structure - Sharp Copying Equipment Service Manual (repair manual). Page 10

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AR-235/275 EXTERNAL VIEW AND INTERNAL STRUCTURE - 4
6. PWB unit
7. Section
19
Door switch
SW24V
Front door and side 
door open/close 
detection
20
2nd right door switch
Side door open/close 
detection
21
2nd cassette paper 
pass sensor
2nd cassette paper 
pass
22
2nd cassette paper 
upper limit detection 
sensor
2nd cassette paper 
upper limit detection
23
2nd cassette paper 
empty sensor
2nd cassette paper 
empty detection
24
1st cassette paper 
upper limit detection 
sensor
LUD1H
1st cassette paper 
upper limit detection
25
1st cassette paper 
empty sensor
PAP1H
1st cassette paper 
empty detection
26
Center tray peper 
YES/NO sensor
TRAYPAPER
Center tray peper 
YES/NO detection
27
Right cabinet door 
switch
POUTCOV
Right cabinet door 
open/close detection
28
2nd paper exit sensor
POUT2
2nd paper exit 
detection
29
2nd paper exit full 
detection sensor
PFULL2
2nd paper exit section 
full detection
30
1st cassette paper 
pass sensor
1st cassette paper 
pass
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
7
Tray interface PWB
2nd tray control
8
KEY/LED PWB (right side)
For the copy operation
9
LCD back light PWB
LCD control
10
KEY/LED PWB (left side)
For the FAX operation
11
Power source PWB
AC power input/DC voltage 
control
No
.
Name
Code
Function and 
operation
1
2
3
4
5
6
7
8
11
10
9
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.
3
LSU unit
Converts image signals into laser 
beams to write on the dum.
4
Lens unit
Reads images with the lens and 
the CCD.
5
MC holder unitSupplies negat
ive charges evenly 
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)
9
Lower heat roller
Fuses toner on paper.
(with the silicone rubber roller)
10
Drum unitForms images.
11
DUP transport follower 
roller
Duplex paper transport
12
DUP transport roller
Duplex paper transport
13
Transport roller
Transfer images on the drum onto 
paper.
14
Resist roller
Synchronize the paper 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.
17
Manual feed transport 
roller
Transports paper from the manual 
paper feed port.
18
1st cassette pick-up 
roller
Picks up paper from the cassette.
19
1st cassette paper feed 
roller
Transports the picked up paper to 
RESIST section.
20
2nd cassette pick-up 
roller
Picks up paper from the cassette.
21
2nd cassette paper feed 
roller
Transports the picked up paper to 
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.
21
22
23
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
11
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AR-275 (serv.man20) Middle frame. Parts Guide 3 280.86 KB
AR-275 (serv.man21) Side door unit, 21 - Process Unit. Parts Guide 5 277.38 KB
AR-275 (serv.man22) Middle frame, 19 - Multi manual paper feed unit. Parts Guide 5 247.98 KB
AR-275 (serv.man23) Rear frame section. Parts Guide 3 175.59 KB
AR-275 (serv.man24) Optical Frame 2, 25 - 1st Delivery Paper Unit 1, 32 - 2nd Paper Feed Section. Parts Guide 7 274.82 KB
AR-275 (serv.man25) 14 550 cassette unit, 20 DV unit, 25 1st delivery paper unit1, 31 2nd 550 cassette unit. Parts Guide 9 407.91 KB
AR-275 (serv.man26) SPF Exteriors, 20 - DV Unit, 21 - Process Unit Parts Guide 7 335.87 KB
AR-275 (serv.man27) Update to the parts guide October 04-The following sections have been updated, 1-Exteriors, 8-Operation Panel unit, 17-Side Door, 21-Process Unit Parts Guide 8 375.44 KB
AR-275 (serv.man28) Update to the parts guide Jan 04-The following sections have been updated, 13-Middle Frame, 16-Paper Transfer Section, 19-Multi Manual Paper Feed Unit, 22-Fusing Unit 1, 29-Rear Frame Section, 33-2nd Paper Transfer Section. Parts Guide 12 814.18 KB
AR-275 (serv.man29) Engine (main) parts guide pages 1-10 Parts Guide 10 666.68 KB
AR-275 (serv.man30) Engine (main) parts guide pages 11-20 Parts Guide 10 796.7 KB
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AR-275 (serv.man32) Engine (main) parts guide pages 31-40 Parts Guide 10 378.9 KB
AR-275 (serv.man33) Engine (main) parts guide pages 41-53 Parts Guide 13 153.78 KB
AR-275 (serv.man34) Engine (main) parts guide complete Parts Guide 53 4.18 MB
AR-275 (serv.man3) IMPORTANT Handling of EEPROM's. Specification 5 203.32 KB
AR-275 (serv.man4) AR235 and AR275 Sales Brochure Specification 2 206.72 KB
AR-275 (serv.man5) AR235 and AR275 Specifications Specification 4 148.3 KB
AR-275 (serv.man57) Change in shape of gate bracket attached on rear side of 1st delivery paper unit. Technical Bulletin 2 129.96 KB
AR-275 (serv.man58) Noise from rear side of 1st delivery paper unit. Technical Bulletin 2 93.83 KB
AR-275 (serv.man59) ENHANCEMENT OF ACTUATOR RETURN FOR MANUAL FEED PAPER EMPTY DETECTION. Technical Bulletin 3 316.53 KB
AR-275 (serv.man60) Change of material for PS pressure holder and PS pressure knob. Technical Bulletin 2 241.63 KB
AR-275 (serv.man61) MODIFICATION OF PAPER FEED ROLLER HOLDER ETC. TO IMPROVE PRODUCTIVITY Technical Bulletin 5 290.28 KB
AR-275 (serv.man62) MATERIAL CHANGE PAPER FEED SHEET Technical Bulletin 4 354.66 KB
AR-275 (serv.man63) Maintenance Tool Updated to Version 4.28. Technical Bulletin 1 31.72 KB
AR-275 (serv.man64) Maintenance Tool Version Upgraded to 04.26. Technical Bulletin 1 12.95 KB
AR-275 (serv.man65) Changes in right delivery gate. Technical Bulletin 2 35.63 KB
AR-275 (serv.man66) Increase of the power holding the right delivery switching gate in the MX-TE10. Technical Bulletin 2 35.8 KB
AR-275 (serv.man67) Countermeasure against gear jumping in the 2nd delivery unit. Technical Bulletin 2 93.1 KB
AR-275 (serv.man68) EE-EL trouble code displayed when adjusting the developer. Technical Bulletin 2 43.67 KB
AR-275 (serv.man69) Disuse of two screws fixing the right door rail and rail reinforce plate. Technical Bulletin 2 82.46 KB
AR-275 (serv.man70) Countermeasure against tooth jumping of the ratchet gear in the drive unit section. Technical Bulletin 2 57.3 KB
AR-275 (serv.man71) Information of parts change (Duplex drive idle plate Copy lamp unit). Technical Bulletin 2 80.54 KB
AR-275 (serv.man72) Prevention of solid black copies. Technical Bulletin 1 325.94 KB
AR-275 (serv.man73) Parts Change. Technical Bulletin 2 30.21 KB
AR-275 (serv.man74) Supply of a service part for countermeasure against break of the boss for mounting the 2nd joint gear. Technical Bulletin 4 231.31 KB
AR-275 (serv.man75) Reinforcement of the attachment position of the FU spring to the paper exit lower paper guide. Technical Bulletin 3 59.01 KB
AR-275 (serv.man76) Countermeasures against cassette paper feed jam (TRAY1 , etc.) Technical Bulletin 4 170.26 KB
AR-275 (serv.man77) Information of parts change (Paper transfer section) Technical Bulletin 2 27.28 KB
AR-275 (serv.man78) Attachment of a high temperature Caution Label. Technical Bulletin 2 109.27 KB
AR-275 (serv.man79) 1. Change of the MX roller, 2. Material change of the roller arm, 3. Shape change of the delivery upper guide 20, 4. Change of the fusing unitconnecting plate, 5. Standardisation of the parts code for the ATC sensor. Technical Bulletin 5 112.48 KB
AR-275 (serv.man80) Change of resistor unit to comply with RoHS. Technical Bulletin 2 27.16 KB
AR-275 (serv.man81) The toner receiving sheet for the process unit is now available as a spare part. Technical Bulletin 3 2.92 MB
AR-275 (serv.man82) Information of parts changes (standardise with other models). Technical Bulletin 1 11.13 KB
AR-275 (serv.man83) Information of parts changes to Process Frame unit and Process unit. Technical Bulletin 1 11.42 KB
AR-275 (serv.man84) Information of parts change to the delivery unit making it compatible with other models. Technical Bulletin 1 63.31 KB
AR-275 (serv.man85) Replacement procedure for the polygon motor in the LSU unit. Technical Bulletin 4 310.83 KB
AR-275 (serv.man86) Information of parts change. (Operation manual, ATC sensor) Technical Bulletin 2 177.6 KB
AR-275 (serv.man87) Information of parts change (DV Side Seal) Technical Bulletin 1 24.65 KB
AR-275 (serv.man88) Countermeasure against F5-02 trouble Technical Bulletin 3 371.34 KB
AR-275 (serv.man89) Supply of polygon motor as a service part Technical Bulletin 1 30.79 KB
AR-275 (serv.man90) Countermeasure against peeling of the fusing front PG sheet Technical Bulletin 1 49.12 KB
AR-275 (serv.man91) Countermeasure against Duplex Sensor jam (DPX_TOP DPX_END) Technical Bulletin 1 249.07 KB
AR-275 (serv.man92) Correction to illustration of optical unit in parts guide. Technical Bulletin 1 80.78 KB
AR-275 (serv.man93) Countermeasure against paper jam in the 1st delivery unit Technical Bulletin 2 998.11 KB
AR-275 (serv.man94) Countermeasure against U2-40 trouble due to power Technical Bulletin 2 639.16 KB
AR-275 (serv.man95) Countermeasure against dropping of developer in the machine Technical Bulletin 3 1.81 MB
AR-275 (serv.man96) Countermeasure against defective copy (black stripes) due to dust on the optical system Technical Bulletin 2 2.24 MB
AR-275 (serv.man97) Countermeasure against black stripes on the copy image. Technical Bulletin 2 684.81 KB
AR-275 (serv.man98) Part change information (DUP Sensor) Technical Bulletin 1 8.11 KB
AR-275 (serv.man99) Change of tray detect switch to improve tray detection Technical Bulletin 1 89.66 KB
AR-275 (serv.man100) Countermeasure against damage to DV blade poor image quality Technical Bulletin 2 305.66 KB
AR-275 (serv.man101) Change of parts in DV unit (ATC sensor, harness and DV box unit) Technical Bulletin 1 68.25 KB
AR-275 (serv.man102) Increase to number of accounts for auditing mode Technical Bulletin 1 13.18 KB
AR-275 (serv.man103) Change of exterior resin to meet Nordic swan environmental regulations Technical Bulletin 2 33.88 KB
AR-275 (serv.man104) Parts chage information for duplex delivery roller transport clutch Technical Bulletin 1 13.54 KB
AR-275 (serv.man105) Countermeasure against folded corners when using duplex Technical Bulletin 1 51.3 KB
AR-275 (serv.man106) Countermeasure against noise from the paper feeding solenoid Technical Bulletin 2 826.42 KB
AR-275 (serv.man107) Countermeasure against abnormal noise from 2nd cassette when opening 1st cassette Technical Bulletin 1 17.27 KB
AR-275 (serv.man108) Change of parts to fusing unit and paper transfer units Technical Bulletin 2 202.33 KB
AR-275 (serv.man109) Countermeasure for black stripes when using SPF RSPF Technical Bulletin 1 36.31 KB
AR-275 (serv.man110) Change of fusing lower frame Technical Bulletin 1 12.52 KB
AR-275 (serv.man111) Information of parts change (shifter DV unit fuser) Technical Bulletin 1 13.66 KB
AR-275 (serv.man112) Improvement to PS transport capacity Technical Bulletin 1 429.2 KB
AR-275 (serv.man113) Parts change information (exteriors fusing unit) Technical Bulletin 2 53.31 KB
AR-275 (serv.man114) Countermeasure against incomplete closing of the side door Technical Bulletin 2 54.44 KB
AR-275 (serv.man115) Increase of the margin of the contact section on the high voltage terminal spring Technical Bulletin 2 26.87 KB
AR-275 (serv.man116) Parts change information (DV unit middle frame) Technical Bulletin 1 13.46 KB
AR-275 (serv.man117) Modification for improved latching of the front cover Technical Bulletin 1 246.34 KB
AR-275 (serv.man118) Various components parts change to improve performance Technical Bulletin 1 12.99 KB
AR-275 (serv.man119) Parts change to improve performance Technical Bulletin 2 27.24 KB
AR-275 (serv.man120) Improvement to paper feeding performance Technical Bulletin 2 1.58 MB
AR-275 (serv.man121) Detailed information of misfeed history indication Technical Bulletin 2 85.62 KB
AR-275 (serv.man122) Change of parts information (MCU IMC PWB) Technical Bulletin 1 12.7 KB
AR-275 (serv.man123) Countermeasure against white stripes generated by moisture absorption of the paper Technical Bulletin 2 72 KB
AR-275 (serv.man124) Parts change information (paper transfer section job separator unit packing materials and accessories) Technical Bulletin 1 13.61 KB
AR-275 (serv.man125) Countermeasure against paper jam due to reversal of the fusing upper claw Technical Bulletin 1 784.23 KB
AR-275 (serv.man126) Parts changes Technical Bulletin 1 12.65 KB
AR-275 (serv.man127) Change of front cover for improved latching Technical Bulletin 1 23.74 KB
AR-275 (serv.man128) Part code of the MCU-IMC connection harness Technical Bulletin 1 35.06 KB
AR-275 (serv.man129) Change addition of parts for the AR235 275 Technical Bulletin 1 18.42 KB
AR-275 (serv.man130) Parts change information (1st 2nd delivery paper unit, side door unit) Technical Bulletin 2 362.33 KB
AR-275 (serv.man131) Parts change information (exteriors delivery tray section) Technical Bulletin 1 24.01 KB
AR-275 (serv.man132) Improvement to movement of the toner cartridge shutter Technical Bulletin 1 159.58 KB
AR-275 (serv.man133) Parts change information (multi-manual paper feed unit cassette unit) Technical Bulletin 1 21.13 KB
AR-275 (serv.man134) Parts change information (process unit) Technical Bulletin 1 858.02 KB
AR-275 (serv.man135) Parts change information (fusing unit 1) Technical Bulletin 1 21.25 KB
AR-275 (serv.man136) Damage of the leading end of the paper Technical Bulletin 1 42.46 KB
AR-275 (serv.man137) Countermeasure against delivery paper jam Technical Bulletin 1 21.22 KB
AR-275 (serv.man138) Parts change information Technical Bulletin 1 21.45 KB
AR-275 (serv.man139) Countermeasure against delivery jam Technical Bulletin 1 24.38 KB
AR-275 (serv.man140) Parts change information (base plate) Technical Bulletin 1 24.02 KB
AR-275 (serv.man141) Change of the panel unit due to language change Technical Bulletin 1 21.29 KB
AR-275 (serv.man142) Prevention of abnormal noise from the manual paper feeding section Technical Bulletin 1 24.41 KB
AR-275 (serv.man143) Countermeasure against paper jam when feeding paper from the paper feed unit Technical Bulletin 1 30.32 KB
AR-275 (serv.man144) Service manual parts guide corrections and additions Technical Bulletin 3 139.68 KB
AR-275 (serv.man145) Change of parts transport transfer fuser blocks Technical Bulletin 3 187.83 KB
AR-275 (serv.man146) External auditor functionality for AR235 275 Technical Bulletin 2 30.75 KB
AR-275 (serv.man147) Operation panel failure Technical Bulletin 1 122.11 KB
AR-275 (serv.man148) Procedure for protection of machine electronic serial number on replacement of failed MCU PWB Technical Bulletin 1 20.69 KB
AR-275 (serv.man149) Firmware change (finisher) Technical Bulletin 1 19.38 KB
AR-275 (serv.man150) Printer board firmware update, for use with barcode font option Technical Bulletin 1 21 KB
AR-275 (serv.man39) Maintenance Tool Version 4.28. Driver / Update 5.32 MB
AR-275 (serv.man40) Maintenance Tool Version 04.26. Driver / Update 5.34 MB
AR-275 (serv.man41) Maintenance Tool Version 04.24. Driver / Update 5.21 MB
AR-275 (serv.man42) Maintenance Tool Version 04.22. Driver / Update 4.5 MB
AR-275 (serv.man43) Maintenance Tool Version 04.21. Driver / Update 853.9 KB
AR-275 (serv.man44) Unified Maintenance Program, for Leopard Andromeda Pegasus Jaguar II series products. Driver / Update 396.07 KB
AR-275 (serv.man45) Firmware Upgrade Unified Maintenance Program (Ver 04.14) for Leopard Andromeda Pegasus Pegasus E Jaguar II series products. See enclosed Service Information pdf for information. Driver / Update 403.12 KB
AR-275 (serv.man46) MCU firmware update (v02.05), for coin vendor and non-coin vendor versions. Please refer to firmware history for details. Archive file includes Unified Maintenance Program. Driver / Update 928.31 KB
AR-275 (serv.man47) MCU firmware update (v02.03), for coin vendor and non-coin vendor versions. Please refer to firmware history for details. Driver / Update 777.6 KB
AR-275 (serv.man48) MCU firmware update (v02.01), for coin vendor and non-coin vendor versions. Please refer to firmware history for details. Driver / Update 778.58 KB
AR-275 (serv.man49) MCU firmware update (v01.60), non-coin vendor version. Please refer to firmware history for details. Driver / Update 772.38 KB
AR-275 (serv.man50) MCU firmware update (v05.05), coin vendor version. Updates coin-vendor enabled machines to equivalent of MCU v01.50 for non coin vendor enabled models. Please refer to firmware history for details. Driver / Update 772.61 KB
AR-275 (serv.man51) MCU firmware update (v01.50), non-coin vendor version. Please refer to firmware history for details. Driver / Update 807.31 KB
AR-275 (serv.man52) MCU firmware update (v01.29), non-coin vendor version. Please refer to firmware history for details. Driver / Update 806.94 KB
AR-275 (serv.man53) MCU firmware update (v01.27), non-coin vendor version. Please refer to firmware history for details. Driver / Update 806.59 KB
AR-275 (serv.man54) ONLY REQUIRED FOR USE WITH EXTERNAL AUDIT DEVICES. Please read Technical Bulletin 005 before connecting any external devices. Driver / Update 827.02 KB
AR-275 (serv.man55) PCL firmware update, version 01.14.04. For upgrading AR-P11 firmware BEFORE installation of AR-PF1. Please refer to technical bulletins AR235 275-001, ARP11-001 or ARPF1-001 for details. Driver / Update 4.62 MB
AR-275 (serv.man56) MCU (Engine) firmware update, version V1.25 (Finisher version 1.31). Refer to bulletin AR235 275-002, ARFN5-001 or firmware history for details. Driver / Update 813.56 KB
AR-275 January 2004 Handy Guide 40 245.74 KB
AR-275 (serv.man2) AR235 and AR275 Technical Launch Pack Handy Guide 25 2.63 MB
AR-275 (serv.man36) August 04 FAQ 1 48.6 KB
AR-275 (serv.man37) Service Exchange Scheme Request Form (TP ServiceCo)- See POLICIES for details of PWB exchange scheme FAQ 1 7.68 KB
AR-275 (serv.man38) Additional information for operation of Sharp Maintenance program (AR-235 and AR-275). FAQ 1 25.7 KB
AR-275 (serv.man151) Developer MSDS F30981 Regulatory Data 4 30.97 KB
AR-275 (serv.man152) Toner MSDS F00981 Regulatory Data 4 37.37 KB
AR-275 (serv.man153) Environmental Data Sheet Regulatory Data 1 5.88 KB

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