AR-275 (serv.man70). Countermeasure against tooth jumping of the ratchet gear in the drive unit section. - Sharp Copying Equipment Technical Bulletin (repair manual)

ar-275 (serv.man70) technical bulletin
Model
AR-275 (serv.man70)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
57.3 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / Countermeasure against tooth jumping of the ratchet gear in the drive unit section.
File
ar-275-sm70.pdf
Date
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Sharp Electronics (UK) Ltd., Document Systems Support
 
 
 
 
 
 
 
 
 
Countermeasure against tooth jumping of the ratchet 
gear in the drive unit section 
1. Model Name 
AR-M256/M316, AR-M236/M276, AR-235/275 
2. Description 
For new products, the load of the ratchet spring has been increased from 4.0N to 19.0N in 
order to prevent tooth jumping or abnormal noise in the drive unit section. 
Since the ratchet gear and fusing drive gear may be worn due to increase of the ratchet 
spring's load, one poly slider has been added between ratchet spring and ratchet gear and 
between fusing drive gear and E ring respectively. 
For the above models, the same countermeasure against tooth jumping or abnormal noise 
has been taken. 
 
• Identification of the ratchet spring 
Before change: 4.0N (silver)        After change: 19.0 (blue) 
 
• Locations to mount the poly sliders 
 
 
3. Action 
Executed from the production in September, 2009 
TECHNICAL BULLETIN 
Date:  
16
th
 October 2009 
Model:  
See Below 
Ref.:  
DCE772 
Colour:  
White 
Page:  
1 of 2 
 
 
 
Sharp Electronics (UK) Ltd., Document Systems Support
 
 
 
No 
Model 
name 
Version 
P/G 
No. 
Current parts 
New parts 
Q'ty
Parts 
name 
Effec- 
tive 
time 
Inter-
change-
ability 
Note 
Parts code 
Parts code 
Price
rank 
1 
AR-M256
AR-M257
AR-M258
AR-M316
AR-M317
AR-M318
AR-5625
AR-5631
AR-M236
AR-M237
AR-M276
AR-M277
AR-185 
AR-215 
AR-235 
AR-275 
AR-N275
AR-M208
AR-M208N
AR-5127
ALL 
26 -4 
25 -4 
24 -4 
MSPRC0200QSZZ
MSPRC0200QSZ1
AB 
1 
Ratchet 
spring 
'09/9 5   
26 - 
25 - 
24 - 
- 
LX-WZ0476FCZZ AC 
Poly slider 
(
φ16.5) 
LX-WZ0407FCZZ AB 
Poly slider 
(
φ13.9) 
<Interchange> 
1. Interchangeable. 
4. Not Interchangeable. 
2. Current type can be used in place of new type. 
New type cannot be used in place of current type. 
5. Interchangeable if replaced with same types of related 
parts in use. 
3. Current type cannot be used in place of new type. 
New type can be used in place of current type. 
6. Others. 
Parts marked with "
" is important for maintaining the safety of the set. Be sure to replace these parts with specified ones 
for maintaining the safety and performance of the set. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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AR-275 (serv.man70) Service Manuals

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AR-275 (serv.man85) Replacement procedure for the polygon motor in the LSU unit. Technical Bulletin 4 310.83 KB
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AR-275 (serv.man110) Change of fusing lower frame Technical Bulletin 1 12.52 KB
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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
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AR-275 (serv.man142) Prevention of abnormal noise from the manual paper feeding section Technical Bulletin 1 24.41 KB
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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
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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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