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2. Firmware upgrade
7. Attach the Fax board to Control board (PWB-C/C).
8. Turn on the power switch of machine. Following message will appear on message
panel and machine waits for file data.
9. Perform steps 4~12 in the firmware upgrading procedure to upgrade the firmware.
10. Turn power off.
11. Remove the BIOS ROMs (U17, U19).
12. Disconnect jumper [FJ1] on the Fax board from 2-3 and connect it to 1-2.
13. Disconnect jumper [FJ2] on the Fax board from 2-3 and connect it to 1-2.
10
Field Service Ver. 1.0 Apr. 2005
4035D538AA
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