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ELECTRONIC
CASH REGISTER
MODEL ER-A320
SRV Key : LKGIM7113RCZZ
PRINTER: CR-812A
(For "U" version)
CONTENTS
CHAPTER 1. GENERAL....................................................................................1
CHAPTER 2. LIST OF OPTIONS ......................................................................1
CHAPTER 3. REMOVING THE TOP CABINET................................................2
CHAPTER 4. REMOVING THE PRINTER UNIT...............................................3
CHAPTER 5. REMOVING THE MAIN PWB......................................................3
CHAPTER 6. KEY TOP KIT: ER-11KT7/12KT7/22KT7/11DK7G/51DK7G....... 4
Parts marked with " " are im portan t fo r main tain ing t he safet y of t he set. Be sure t o replace these parts wit h specified
ones for maintaining the safety and performance of the set.
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
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CHAPTER 1. GENERA L
This manual describes the ER-A320 disassembly procedures and the
option attachment procedures. For assembly procedures, reverse the
disassembly procedures. For attachment of options which do not require special descripti ons, descriptions are omitted.
Note for operat ions
· Before operation, ground the operator’s body and perform other
necessary measures against static electricity.
· During operations, disconnect the AC cord from the outlet.
· After completion of operations, connect the connectors.
· After completion of operations, be sure to perform th e master reset.
CHAPTER 2. LIST OF OPTIONS
Master reset (All memory clear)
Used to clear all memory contents and return machine back to initial
settings.
(Returns keyboard back to the de fault keyboard layout.)
Procedure
1) Unplug the AC cord from the wall out let.
2) Set the MODE switch to the (SRV’) position.
3) Plug in the AC cord to the wall outlet.
4) While holding down JOURNAL FEED key, turn from (SRV’) position to the (SRV) position.
Note: 1. The ER-A320 display will flash the "." decimal point at the
right most position and will bee p 3 times.
2. The ER-A320 printer will cycle and print the following on the
journal
1
1. Sales options
No. NAME MODEL DESCRIPTIONS
1 COIN CASE ER-55C2 5B/5C(For "U" version)
2 KEY TOP KIT ER-11KT7 1 x 1 key top
ER-12KT7 1 x 2 key top
ER-22KT7 2 x 2 key top
ER-11DK7G 1 x 1 dummy key
ER-51DK7G 5 x 1 dummy key
2. Service options
No. NAME PARTS CODE PRICE RANK DESCRIPTIONS
1 SRV KEY
2 MODE KEYGRIP COVER
3 DRIP-PROOF KEYBOARD COVER
AK
AL OP key only
BE
3. Supplies
No. NAME PARTS CODE PRICE RANK DESCRIPTIONS
1 ROLL PAPER
2INK ROLLER
3 INK FOR STAMP
AR
AY
AK
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CHAPTER 3. REMOVING THE TO P
CABINET
1) Remove the printer cover .
2) Remove the three screws
3) Remove the screw
1
2
and grounding wire .
5) Remove the transformer cable
.
2
2
3
4
main PWB.
5
and the drawer c able from the
6
4) Separate the top ca binet and the d r awer unit.
Note: Transformer cable
unit are connected to the main PWB on the top cabinet.
Be careful when separating them from the drawer unit.
and the draw er cable on the dr awer
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CHAPTER 4. REMOVING THE
CHAPTER 5. REMOVING THE MAIN
PRINTER UNIT
1) Remove the top cabinet.
2) Remove the printer cable
3) Remove the three screws
4) Remove the screw
5) Remove the printer unit
5
2
4
and grounding wire .
from the main PWB.
.
from the top cabinet.
2
PWB
1) Remove the top cabinet.
2) Remove the printer unit .
3) Remove the following connector ca bles from the main PWB.
Rechargeable battery cable
Pop-up display cable
Note: The pop-up cable is fixed with the holder not to make con-
tact with the heat radiating plate on the main PWB. Be
careful of it when installing.
Mode switch cable
3
Keyboard cable
4) Remove the screw and grounding wire .
5) Remove the three screws
3
8
and main PWB .
1
77
2
1
Caution to be taken when replac ing the printer unit
Make sure to perform the following procedure when installing the core
to the grounding wire at the right side (when looking from the front
side) of the printer unit.
· View looking from the right side of the printer unit.
Nylon band
Core
Wind the grou nding wire aro und the core by a tur n and secure to the
printer frame wit h the nylon band.
Grounding wire
5
4
6
Caution to be taken when installing the batt ery
To prevent the battery from shorting due to water that might be
splashed on the printer cover or the keyboard, install the battery at an
angle of 90° in relation to th e keyboard.
90°
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CHAPTER 6. KEY TOP KIT
1. Outline
The ER-A320 employs the following key top (option) to allo w additional
installation of the key top and change in the key layout.
MODEL NAME DESCRIPTION
ER-11KT7 1 x 1 Key top
ER-12KT7 1 x 2 Key top
ER-22KT7 2 x 2 Key top
ER-11DK7G 1 x 1 Dummy key
ER-51DK7G 5 x 1 Dummy key
2. Installation procedure
ER-11KT7
ER-22KT7
ER-12KT7
ER-12KT7, ER-22KT7
Note: There are black spacers and white spacers. Refer to the
figure before for attaching them.
· Attach the black spacer to the left lower side, and the white spacer
to the right lower side.
ER-11KT7
ER-11DK7G, ER-51DK7G
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COPYRIGHT ã 1999 BY SHARP CORPORATION
All rights reserved.
Printed in Japan.
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted.
In any form or by any means,
electronic, mechanical, photocopying, recording, or otherwise,
without prior written permission of the publisher.
SHARP CORPORATION
Information Systems Group
Quality & Reliability Control Center
Yamatokoriyama, Nara 639-1186, Japan
1999 September Printed in Japan
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