Instruction/ maintenance manual of the product ER-A440 Sharp
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ELECTRONIC CASH REGISTER MODEL ER-A440 SRV Key : LKGIM7113RCZZ PRINTER : DP730 (For "U" & "A" ve rsion) SHARP CORPORATION Thi s docu ment has bee n pu bl is he d to be us ed for af ter sal es servic e only. Parts marked with " " is impor tant fo r mainta ining t he safe ty of the set .
CHAPTER 1. GENERAL This manual describes the ER-A440 disassembly procedures and the option attachment procedures. For assembly procedures, reverse the disassembly procedures. For attachm ent of opti ons which do not re- quire special descriptions, descri ptions are omitted.
CHAPTER 2. LIST OF OPTIONS 1. Options No. NAME MODEL DESCRIPTION 1 EXPANSION RAM CHIP ER-03RA 512K bytes RAM CHI P 2 REMOTE DRAWER ER-04DW 3 PRESETS LOADER ER-01FD/02FD FD unit 4 KEY TOP KIT ER-11KT7 .
CHAPTER 3. REMOVING THE TOP CABINET 1) Rem ove the printer cover . 2) Rem ove the 4 screws . 3) Separat e the top cabinet and the bottom cabi net. Note: Transformer cable and the drawer cable on t he bot- tom cabinet are connected to the main PWB on the top cabinet.
CHAPTER 5. REMOVING THE MAIN PWB 1) Rem ove the top cabinet. 2) Rem ove the printer unit . 3) Rem ove the following connector cables from the m ain PWB. Dry battery cable Pop up display cable Note: The pop-up cable is fixed with the holder not to make contact with the heat radi ating plate on the main PWB.
CHAPTER 7. EXPANSION RAM CHIP (ER-03RA) 1. Outl in e ER-03RA: 512KB SRAM ch ip 2. Install ation procedure Before working on the installation, t urn off the power switch on the ECR and unplug the AC cord from the AC out let. Also save the memory content s before proceeding to t he installation work.
8) Sol der the Connector (2 pin) to the Main PWB unit. (Location: CN8 NEJ) 9) Connect the Sensor unit cable to the Connect or (2 pin) to the Main PWB unit. (Location: CN8 NEJ) CHAPTER 9. KEY T OP KIT 1. Outl in e The ER-A440 employs the following key top (option) to all ow addi- tional installation of the key t op and change in the key layout.
ER-12KT7, ER-22KT7 1) At tach two spacers t o the keyboard fram e. • Attach the yellow spacer t o the left lower side, and the white spacer to the right lower side. 2) The key top of the ER-12KT7 and the ER-22KT7 includes the guide pin. Inst all the key top so t hat the guide pin is engaged with the spacer attached to the keyboard frame.
COPYRIGHT 1998 BY SHARP CORPORATION All right s reserv ed . Printed in Ja pan. No part of thi s pu bl icatio n ma y be reprodu ced, stor ed in a ret rieva l system , or tra ns mitt ed, in any fo rm or by any mea ns , elect ronic, mechan ical, photoc opying , record ing, o r otherw ise, with out pr ior writ ten pe rmis sion of the pub lishe r.
An important point after buying a device Sharp ER-A440 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sharp ER-A440 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sharp ER-A440 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sharp ER-A440 you will learn all the available features of the product, as well as information on its operation. The information that you get Sharp ER-A440 will certainly help you make a decision on the purchase.
If you already are a holder of Sharp ER-A440, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sharp ER-A440.
However, one of the most important roles played by the user manual is to help in solving problems with Sharp ER-A440. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sharp ER-A440 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
