Section 7: Replacement Procedures
Page 7-22
CG4 Series Service Manual
7.16 REAL TIME CLOCK BATTERY REPLACEMENT (OPTIONAL)
This section covers the basic mechanical procedures for replacement of the RTC Kit.
1. Remove the Bottom Housing Cover as explained in the
earlier
Section 7.3 Removal of the Bottom Housing cover.
2. Disconnect the RTC kit’s cable from the RTC connector on
the
MAIN PCB.
3. Locate the RTC board as shown.
4. Remove two screws securing the RTC board to the printer.
5. Remove the RTC battery IC from the board and replace with
the new
RTC battery IC.
6. Follow the above steps in reverse sequence, to reassemble
the parts.
Notes:
• When installing the RTC battery IC, ensure the orienta-
tion is correct. The
black dot on the corner of the RTC
battery IC
should be align to the marking indicate “1” on
the
RTC board.
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