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Model
AR-M550 (serv.man4)
Pages
127
Size
50.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / ALL DATA
File
ar-m550-sm4.pdf
Date
PREV: Sharp AR-M550 (serv.man3) Service Manual / Specification

Sharp AR-M550 (serv.man4) Service Manual ▷ View online

: Feb. 6 2004
1
AR-M550/M620/M700  DETAILS OF EACH SECTION  6 - 71
D. Maintenance and parts replacement
(1) Maintenance list
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
(2) Maintenance and parts replacement
(List of Replacement Parts)
a. Developing unit
1) Take out the developing tank.
a-1. Developer
1) Take out the developing tank. (See “a. Developing unit” in this sec-
tion)
2) Remove the DV cover.
AR-M550U/N (PM: 250K)
When 
calling 
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-M620U/N, AR-M700U/N 
(PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name  
No.
Part name
Developing 
section
1
Developer
▲
▲
▲
▲
▲
▲
▲
▲
Supply when 
installing
2
DV seal
▲
▲
▲
▲
▲
▲
▲
▲
3
MG holder F/R
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
Side seal F/R
▲
▲
▲
▲
▲
▲
▲
▲
1
4
4
3
1
2
3
No.
Unit
Parts
a
Developing unit
1
Developer
▲
2
DV seal
▲
3
MG holders F and R
❍
4
Side seals F and R
▲
5
Toner concentration sensor
a-3
a-3
a-5
a-4
a-4
a-1
a
a-2
2
1
AR-M550/M620/M700  DETAILS OF EACH SECTION  6 - 72
3) Turning the MG roller, take out the old developer.
4) Insert the new developer.
a-2. DV seal
1) Take out the developing tank. (See “a. Developing unit” in this sec-
tion)
2) Take out the old DV seal.
3) Wipe the sealing face with alcohol.
4) Affix the new DV seal at the reference position.
a-3. MG holders F and R
1) Take out the developing tank. (See “a. Developing unit” in this sec-
tion)
2) Remove the DV cover. (See “a-1. Developer” in this section)
3) Remove the doctor cover.
4) Remove the DV cover front.
5) Remove the bias line and main pole position adjusting plate and
screws.
6) Remove the MG gear and screws.
7) Remove the side seals F and R.
AR-M550/M620/M700  DETAILS OF EACH SECTION  6 - 73
8) Remove the MG roller unit.
9) Remove the doctor attaching plate.
10) Remove the MG holders F and R.
a-4. Side Seals F and R
1) Take out the developing tank.
2) Remove the doctor cover.
3) Peel off the right and left side seals.
4) Clean the peeled area.
5) Peel off the new right and left seals from the mounting paper and
affix in the designated positions.
a-5. Toner concentration sensor
1) Remove the developing tank. (See “a. Developing unit” in this sec-
tion)
2) Remove the DV cover. (See “a-1. Developer” in this section)
3) Remove the toner concentration sensor.
AR-M550/M620/M700  DETAILS OF EACH SECTION  6 - 74
[OPC drum section]
A. General
In this section, laser beams are radiated to the OPC drum surface
which was negatively charged, making electrostatic latent images.
B. Major parts and signal functions
Code
Signal 
name
Name
Function/Operation
Type
Model
Note
DMS
DMS
OPC drum marking sensor signal
OPC drum mark detection
Reflection type
Analog detector
PCS
PCS
Image density sensor
Detection of density of toner patch on the OPC 
drum
Reflection type
Analog detector
TH-CL
TH-CL
OPC drum cleaner temperature 
sensor
OPC drum cleaner peripheral temperature 
detection
Thermistor
Analog detector
DM
DM
OPC drum motor
Drives the OPC drum and the transfer section.
DC brushless 
motor
PSPS
PSPS
Drum separation pawl solenoid
Drives the OPC drum separation pawl
Solenoid
DL
DL
Discharge lamp
Discharges electric charges on the OPC drum.
Lamp
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PCS-LED
PCS
DMS-LED
DMS
/DL
/PTDL
/PSPS
HUS-TC
GND2
TH-CL
GND2
TLS
GND2
B20B-PHDSS-B
/PWM-RSV1
+24V1
+5V2
+24V1
+12V2
+12V2
CN-8
+24V-DL
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
15
14
12
11
10
PCU PWB
B18B-PHDSS-B
CN-6
GND2
GND2
/DM
DMCLK
DM-T
+5V2
GND2
/DVM
DVMCLK
DVM-T
+5V2
GND2
+5V2
/FUM
FUMCLK
FUM-T
+24V1
/VFM-BKR
AC PWB
5
4
3
2
1 GND2
/DVM
DVMCLK
DVM-T
B2PS-VH
S5B-PH-K-S
+5V2
+38V
+38V
GND1
GND1
+38V
GND1
2
1 +38V
GND1
CN-5
B16B-PADSS-1
PCS
DMS
DL
TH-CL
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
10
4
3
2
1
2
1
1
2
2
3
2
1
2
3
2
1
1
3
1
3
3
2
1
/PSPS
GND2
TH-CL
(NC)
(NC)
PCS-LED
PCS
DMS-LED
DMS
/DL
/PTDL
/PSPS
TH-CL
GND2
(NC)
(NC)
+24V1
+24V1
+24V1
S4B-PH-K-S
DRAWER
TSDR-20V-K/TSDP-20V-K
+12V2
+12V2
(NC)
(NC)
(NC)
SRA-01T-3.2
SRA-01T-3.2
GND2
+24V-DL
SMP-02V-BC/SMR-02V-B
PCS
DMS
SMR-03V-B/SMP-03V-BC
SMR-03V-B/SMP-03V-BC
+12V2
PCS-LED
+12V2
DMS-LED
PHR-3
+24V-DL
/DL
(NC)
PROCESS UNIT
DM
1
2
3
4
5
7
6
PSPS
8
9
No.
Name
Operation
1
OPC drum
Forms electrostatic latent images by laser beams.
2
Cleaning blade
Cleans remaining toner on the OPC drum.
3
CL brush roller
Cleans remaining toner on the OPC drum.
4
Sub blade (Cleaning seal)
Prevent against toner leakage from the cleaner section.
5
Side seal F, R
Prevents against toner dispersion.
6
Drum separation pawl
Separates paper from the drum.
7
Separation pawl oscillation shaft
Moves in the front and rear frame direction to install the separation pawl.
8
Waste toner transport screw
Transports toner from the cleaner unit to the waste toner transport pipe.
9
Waste toner transport pipe
Transports toner from the cleaner unit to the waste toner box in the toner cartridge front section.
Page of 127
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AR-M550 (serv.man81) ARE 896. AR-F15 F16 ROM upgrade. Service Manual / Technical Bulletin 1 27.39 KB
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AR-M550 (serv.man103) ROM Upgrade..12 Service Manual / Technical Bulletin 3 12.56 KB
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AR-M550 (serv.man142) Dragon fuser mod kit, please refer to Technical Bulletin 016 for further details. Service Manual / Technical Bulletin 4 77.18 KB
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AR-M550 (serv.man146) ROM upgrade .. (4), (5) Service Manual / Technical Bulletin 3 39.58 KB
AR-M550 (serv.man32) REF. ARE932 Energy Star ROM UPGRADE ... (18). WITH AR-P19 NON-ELEM Driver / Update 222.52 KB
AR-M550 (serv.man33) REF. ARE932 Energy Star ROM UPGRADE ... (18). WITH AR-P19 ELEM Driver / Update 197.12 KB
AR-M550 (serv.man34) REF. ARE932 Energy Star ROM UPGRADE ... (18). WITHOUT AR-P19 ELEM Driver / Update 9.72 MB
AR-M550 (serv.man35) REF. ARE932 Energy Star ROM UPGRADE ... (18). WITHOUT AR-P19 NON-ELEM Driver / Update 9.72 MB
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AR-M550 (serv.man37) ARM550 620 700 OSA Firmware V5.d51 Non ELEM Driver / Update 12.81 MB
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AR-M550 (serv.man39) P19 Firmware Update For 'U' Version Models (ELEM) Vp4.05 Driver / Update 13.15 MB
AR-M550 (serv.man40) Firmware Update For 'U' Version Models Vu4.05 Driver / Update 10.61 MB
AR-M550 (serv.man41) Firmware Update For 'U' Version Models (ELEM) Vu4.05 Driver / Update 10.62 MB
AR-M550 (serv.man42) DSK Firmware October 2007 Driver / Update 13.38 MB
AR-M550 (serv.man43) DSK Firmware October 2007 (ELEM) Driver / Update 13.38 MB
AR-M550 (serv.man44) Non-Elem type firmware. u4a.04 Driver / Update 10.72 MB
AR-M550 (serv.man45) ARM550 620 700 OSA Firmware V5.51 Non ELEM Driver / Update 13.72 MB
AR-M550 (serv.man46) ARM550 620 700 OSA Firmware V5.51 ELEM Driver / Update 13.73 MB
AR-M550 (serv.man47) Firmware Oct 2006 Elem with P19 Driver / Update 13.13 MB
AR-M550 (serv.man48) Firmware Oct 2006 Non Elem with P19 Driver / Update 13.13 MB
AR-M550 (serv.man49) Firmware Update Oct 2006 elem Models Driver / Update 13.13 MB
AR-M550 (serv.man50) Firmware Update Oct 2006 Non elem Models Driver / Update 13.13 MB
AR-M550 (serv.man51) For U version models fitted with AR-P19 - Elem type firmware.(Main up to Vp4.04, Boot up to VM5.33A, PCU up to V03.11. Upgrade Utility and change details enclosed. Driver / Update 13.31 MB
AR-M550 (serv.man52) For U version models fitted with AR-P19 - Non-Elem type firmware.(Main up to Vp4.04, Boot up to VM5.33A, PCU up to V03.11. Upgrade Utility and change details enclosed. Driver / Update 13.3 MB
AR-M550 (serv.man53) For U version models (no P19 fitted) - Elem type firmware. (Main up to Vu4.04, Boot up to VM5.33A, PCU up to V03.11. Change details enclosed. Driver / Update 10.78 MB
AR-M550 (serv.man54) For U version models (no P19 fitted) - Non-Elem type firmware.(Main up to Vu4.04, Boot up to VM5.33A, PCU up to V03.11. Change details enclosed. Driver / Update 10.77 MB
AR-M550 (serv.man55) Common PC Fax Driver (v2.3.0.110) for Andromeda, Pegasus E, Tiger, Jupiter and Dragon Products. Driver / Update 16.61 MB
AR-M550 (serv.man56) ARM550 M620 M700 P19 firmware, ROM control F01 V4p.03, includes updated PCU (v03.10) and SCN (v02.10) for machine installed with ARP19. Improvement of initial low density and halftone density. Please read tech bulletins 048 and 049 (ARM550 M620), 030 and 031 (ARM700) or 007 (ARP19) for more details. Driver / Update 13.09 MB
AR-M550 (serv.man57) ARM550 M620 M700 firmware, ROM control no. F01 Vu4.03, includes updated PCU (v03.10) and SCN (v02.10), only for 'U'version machines. Improvement of initial low denity and halftone density. Please read tech bulletins 048 (ARM550 M620) or 030 (ARM700) for more details. Driver / Update 10.56 MB
AR-M550 (serv.man58) ARM550 620 700U firmware vp4a.03 when an ARP19 is installed, compatible for halftone image quality and Batch Printing. Driver / Update 13.22 MB
AR-M550 (serv.man59) ARM550 620 700U firmware vp4.03 when an ARP19 is installed, compatible for halftone image quality. Driver / Update 13.2 MB
AR-M550 (serv.man60) ARM550 620 700U firmware vu4.03 when an ARP19 is NOT installed, compatible for halftone image quality. Driver / Update 10.67 MB
AR-M550 (serv.man61) ARM550 ARM620 ARM700 Firmware Update Tool. Driver / Update 113.84 KB
AR-M550 (serv.man2) Handy Guide ARM550 620 700 Feb2005 Handy Guide 48 535.54 KB
AR-M550 (serv.man30) Commands for selection of paper input and output trays. Including Escape codes, PJL commands and Postscript commands. FAQ 66 274.11 KB
AR-M550 (serv.man31) Aid to help fault find paper misfeeds. This flash animation describes paper feed sections in all units, main body, ARF16, ARCF2, ARLC6. FAQ 1.89 MB
AR-M550 (serv.man147) ARM550 Safety Sheet Regulatory Data 2 44.61 KB
AR-M550 (serv.man148) ARM550 MSDS sheet Regulatory Data 4 29.23 KB
AR-M550 (serv.man149) AR620ND_DV MSDS (F-31221) Regulatory Data 4 29.19 KB

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