AR-285 (serv.man164). 1.Measure To Establish Uniformity Of The Operations Control PWB. 2.Change In The Attachment Location Of The Grounding Terminal Carried Out As A Measure To Improve Operation. 3.Measure To Establish Uniformity Of The Blade Stay Used In The Photo Conductor Unit. 4.Chabge In The IC Used In The Operations Control PWB Carried Out As A Measure To Improve Productivity. 5.Change In The Screws (M4 x 8) Carried Out As A Measure To Improve Productivity. (WHITE) — Sharp Copying Equipment Technical Bulletin (repair manual)

Model
AR-285 (serv.man164)
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3 Few pages! See other manuals at the bottom of the first or last page.
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Technical Bulletin
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Device
Copying Equipment / 1.Measure To Establish Uniformity Of The Operations Control PWB. 2.Change In The Attachment Location Of The Grounding Terminal Carried Out As A Measure To Improve Operation. 3.Measure To Establish Uniformity Of The Blade Stay Used In The Photo Conductor Unit. 4.Chabge In The IC Used In The Operations Control PWB Carried Out As A Measure To Improve Productivity. 5.Change In The Screws (M4 x 8) Carried Out As A Measure To Improve Productivity. (WHITE)
File
ar-285-sm164.pdf
Date

View Sharp AR-285 (serv.man164) Technical Bulletin online

1.
MEASURE TO ESTABLISH UNIFORMITY OF THE
OPERATIONS CONTROL PWB.
2.
CHANGE IN THE ATTACHMENT LOCATION OF THE
GROUNDING TERMINAL CARRIED OUT AS A MEASURE TO
IMPROVE OPERATION.
3.
MEASURE TO ESTABLISH UNIFORMITY OF THE BLADE STAY
USED IN THE PHOTO CONDUCTOR UNIT.
4.
CHANGE IN THE IC USED IN THE OPERATIONS CONTROL
PWB CARRIED OUT AS A MEASURE TO IMPROVE
PRODUCTIVITY.
5.
CHANGE IN THE SCREWS (M4 ´ 8) CARRIED OUT AS A
MEASURE TO IMPROVE PRODUCTIVITY.
1. Measure to establish uniformity of the operations control PWB.
1.Model Name:
AR280/285/335
2.General:
A change has been made to the parts code for the new operation control pwb (units not
attached to the operation flash pwb) to allow uniformity regardless of model type or
market destination.
2. Change in the attachment location of the grounding terminal carried out as
a measure to improve operation.
1.Model Name:
AR280/285/335
2.General:
A change has been carried out in the attachment location for the grounding wire of the
desk interface harness and the grounding wire of the FAX power supply harness.
The attachmentlocation has been changed to the electrical device attachmentframe.
This action has been carried out as a measure to improve operation.
Sharp Electronics (UK) Ltd., Technical Services Group
Date:
7 July 1999
Model:
AR280/285/335
Ref:
011
Colour: White
Page:
1 of 3
TECHNICAL BULLETIN
3.Action:
From the 1st lot of 1999 January production.
3. Measure to establish uniformity of the blade stay used in the photo
conductor unit.
1.Model Name:
AR280/285/335
2.General:
A change has been carried out in the shape of a portion of the blade stay used in the photo
conductor unit. This action has been carried out as a measure to establish uniformity with
the blade stay of the photo conductor unit in model AR405.
It is important to note that the old parts and new parts are interchangeable for the models
listed above.
3.Action:
From the 1st lot of 1999 January production.
Sharp Electronics (UK)Ltd., Technical Services Group
Old
New
LSTYM0227FCZ1
LSTYM0227FCZZ
Added hole at a bending portion.
Added screw hole and changed attachment
location for the grounding terminal.
Electrical device frame L
!
4. Change in the IC used in the operations control PWB carried out as a
measure to improve productivity.
1.Model Name:
AR280/285/335
2.General:
A change has been carried out in a portion of the IC units which are used in the operations
control PWB. This action has been carried out as a measure to improve productivity.
3.Action:
Running change carried out from 1999 January production.
5. Change in the screws (M4 ´ 8) carried out as a measure to improve
productivity.
1.Model Name:
AR280/285/335
2.General:
A change has been carried out in the screws (M4 ´ 8) used in the chassis of the machine
itself. The screws have been changed from chromate (gold colored) to uni-chrome (silver
colored). This action has been carried out as a measure to improve productivity.
3.Action:
From the 1st lot of 1999 January production.
Ref.
No.
Model
name
Version
P/G No.
Current parts
New parts
Parts name
Effec-
tive
time
Inter-
change-
ability
Note
Parts code
Parts code
Price
rank
1
AR280
AR285
AR335
All
2 -2
CPWBN1258FC55
CPWBN1258FC54
BZ
Operation control PWB
1
45 -
901
2
10 -4
LFRM-0937FCZZ
LFRM-0937FCZ1
AR
Frame L
1st lot
'99/1
4
3
13 -6
LSTYM0227FCZZ
LSTYM0227FCZ1
AK
Blade stay
1
4
45 -55
VHISC908SF2V1
VHISLA907FF2L
AT
IC [IC 1]
*
5
XHBSD40P08000
XHBSE40P08000
AA
Screw (4
´
8)
1st lot
'99/1
<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.
* Running change carried out from 1999 January production.
Sharp Electronics (UK)Ltd., Technical Services Group
Page of 3
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Here you can view online or download Sharp AR-285 (serv.man164) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp AR-285 (serv.man164) Copying Equipment. Information contained in Sharp AR-285 (serv.man164) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).