ER-A310 (serv.man10). A310-010 Printer Parts Change - Sharp ECR Technical Bulletin (repair manual)

er-a310 (serv.man10) technical bulletin
Model
ER-A310 (serv.man10)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
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46.89 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
ECR / A310-010 Printer Parts Change
File
er-a310-sm10.pdf
Date

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CHANGE IN PARTS OF THE CR-510
PRINTER.
1.Model Name:
ER-A310
2.General:
A change has been carried out in the parts of the CR-510 printer.
1)
Change carried out in the live character sheet receive set.
R has been added to the base of the live characters. This action has been carried out
as a measure to improve the durability of the live character sheet rubber.
2)
Change carried out in the printed character motor yoke unit
The material has been changed to one with high durability. This action has been carried
out as a measure to improve the durability of the printed character hammer.
3)
Change carried out in the spring.
The 2 springs of the V paper guide has been changed to 1 spring (a spring with a
different spring pressure).
4)
The external tooth washer has been discontinued.
It was confirmed that there was no adverse affects if the external tooth washer was
discontinued.
5)
Change carried out in the wrapping drive pulley.
This change was carried out as a measure to establish uniformity of parts with other
models.
There has been no change carried out in the part code of the printer unit.
3.Description:
The locations of changes (1) through (5) are indicated in the figure shown below.
1/3
(1) Live character
sheet receive set.
(2) Printed character
hammer
Printed character yoke motor unit.
(3) Spring, V
paper guide 1.
(3) Spring, V paper guide 2. 
(4)External tooth
(4)External tooth
Wapping frame
(5) Wrapping drive pulley
ELECTRONIC CASH REGISTER
TECHNICAL BULLETIN
Date :
Model :
Ref :
Colour
Code :
11th January 1999
ERA310
A310-010
White
Sharp Electronics (UK) Ltd, Technical Support Group
Originators Initials_____________ Supervisors Initials_____________ Approval Date____________
(1)
A change has been carried out in the live character sheet receive set.
The change in the live character rubber portion has been carried out as described
below.
a: Location of change
(2)
A change has been carried out in the material used for the printer character hammer.
The change in the material has been carried out as described below.
Old type
New type
Material
POM
Polyethyl-ketone
Color
Black (Q’ty: 11). White (Q’ty: 1)
Brown (Q’ty: 12)
(3)
Change carried out in the spring.
The 2 springs of the V paper guide has been changed to 1 spring (a spring with a
different spring pressure).
Part name
Old type
New type
Spring, V paper guide No. 1
O (Used)
X (Discontinued)
Spring, V paper guide No. 2
O (Used)
* (Changed to new type); Newly
established. Spring, Change in
name to V paper guide.
Changed part name and changed part code.
Part name
Spring, V paper guide
Price rank
Part code
00B1040921///
AK
 1
2/3
New type
R present
Old type
R not present
First printed character yoke
0.2R
Live character sheet receive
Live character sheet
Printed character coil
Printed character return magnet
Printed character steel core
Printed character hammer
Printed character retrieve plate
Platen
Second printed character yoke
Paper
(4)
Discontinuance of the external tooth washer.
The external tooth washer has been discontinued.
(5)
A change has been carried out in the wrapping drive pulley.
The change in the shape of the wrapping drive pulley has been carried out as described
below.
1)
There has been no change carried out in the part code of the printer unit.
2)
The old printer unit (before the change was carried out) can be distinguished from the
new printer unit (after the change was carried out) by the manner described below.
(Production action)
Part code for the CR-510 printer
Printer identity code
ECR model name
Old
New
KI-OB6780RCZZ
11
11
, 12
ER-A310U/A
KI-OB6781RCZZ
05
05
, 06
ER-A310V
(The addition of the marks, “*11
, 05
” has been included in printers from the 1998 May
production lot.)
(Field service action): Printers which can accept both the old type and the new type of
live character motor control software.
Part code for the CR-510 printer
Printer identity code
ECR model name
Old
New
KI-OB6780RCSA
00
01
ER-A310U/A
KI-OB6781RCSA
00
01
ER-A310V
How to distinguish between the identity numbers.
(Example)
CR-510
###    XX
SK
∆∆∆∆
4.Action:
(For production)
From 1998 May production.
5.Other:
(Interchangeability)
The parts are interchangeable, but the new type has better durability.
The symbols # and 
 are
management numbers.
Changed identity number
A change has
been carried out
in the thickness of
this portion of the
plate.
Old type
New type
Mark
Position of the identity number display.
3/3
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