Phaser 6121MFP Service Manual 8-69
Service Parts Disassembly
10. Remove the back up battery on the Image Processor Board.
For the Phaser 6121MFP/N and /D, boot data is written to the Image
Processor Board, and firmware data is written to the Fax Board. To avoid
problems, replace the Image Processor Board and Fax Board at the same time.
When the Image Processor Board is replaced, the setting values for the
following items are cleared. Enter new setting values in the service mode.
The new setting values are set at shipment, and those values are shown
on the label located inside of the front door.
When replacing the Image Processor Board:
• Upgrade the firmware to the latest version. See “Firmware Update” on
page A-15.
• Clear the information backup data. See BK CLEAR on page 6-27.
Item for adjustment
6121/S 6121/N and /D
CIS MAIN ZOOM Yes Yes
CIS SUB ZOOM Yes Yes
CIS MAIN REGIST Yes Yes
CIS SUB REGIST Yes Yes
ADF SUB ZOOM No Yes
ADF MAIN REG No Yes
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