6. MAIN UNIT REPLACEMENT EO18-11006A
6.1 Removing the Top Cover Ass’y
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6. MAIN UNIT REPLACEMENT
WARNING!
1. Disconnect the power cord before replacing the main parts.
2. Be careful not to injure your fingers when replacing the main parts.
CAUTION!
1. Keep your work environment static free whenever you work on electrical equipment such as PC
board and so on.
2. Be careful not to pinch the cables by the covers when replacing the main parts.
This chapter describes replacement procedures for the following main parts.
MAIN PC Board Ass’y
Power PC Board Ass’y
LCD Ass’y
FIU PC Board Ass’y
RIU Unit
KBIU PC Board Ass’y
Keyboard Unit
Receipt Printer Unit
Journal Printer Unit
Platen Roller Ass’y
6.1 Removing the Top Cover Ass’y
1) Push the Release Button and fully open the Receipt Cover. Then remove the screw which secures the Top
Cover.
2) Remove the Journal Cover and push the Release Button to raise the Journal Paper Retainer. Then remove
the screw which secures the Top Cover.
Receipt Cover
Screw
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