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SERVICE REMARKS
1.7 OTHERS
1. When replacing the main board, remove the EEPROM (IC106) from the
old main board and place it on the new main board. Then install the new
main board in the copier.
2. After installing a new main board with a new EEPROM (IC106), the Clear
All Memory (SP99) procedure must be performed. (Do not perform SP99
if you have placed the old EEPROM on the new main board.)
3. Never perform SP99 (Clear All Memory) except for the following two
cases:
a) When the copier malfunctions due to a damaged EEPROM.
b) When replacing the EEPROM.
4. Whenever SP99 (Clear All Memory) is performed, the imaging unit must
be replaced with a new one. Otherwise, copy quality might be seriously
affected.
5. Tighten securely the screws used for grounding the following PCBs when
reinstalling them.
•
Main Control Board
•
Scanner Drive Board
•
AC Drive/DC Power Supply Board
•
High Voltage Supply Board-CT/B/G
A183/A184
4-4
SM
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