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1-6-1 Updating the firmware
(1) Updating the firmware on the fax control PCB (Flash ROM)
Perform the steps below when updating the firmware in the Flash ROM on the fax control PCB.
Firmware updating requires the following tools:
Flash tool assembly (P/N 3596801*)
Control ROM IC1 (P/N 3DB6801*)
Control ROM IC2 (P/N 3DB6802*)
Control ROM IC3 (P/N 3DB6803*)
Control ROM IC4 (P/N 3DB6804*)
Caution:
• Turn the main switch off and disconnect the power plug from the wall outlet before disconnecting or inserting
connectors.
<Procedure>
1. Remove 13 screws and take off the rear cover.
2. If the printing system is installed, remove the 2
screws and pull the printing system out of the
controller box.
Rear cover
Figure 1-6-1
Printing system
Screws
Figure 1-6-2
3DB
Screws
1-6-1
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