Canon imageRUNNER ADVANCE C350 series Service Manual page 398

4
Disassembly/Assembly > Controller System > Removing the DC Controller PCB Unit > Preparation
NOTE:
The completed assembly of the DC Controller PCB is shown below.
■ Aftter Replacing
Aftter Replacing 1) Restore of the Service Mode data.
(Lv.2) COPIER> FUNCTION> SYSTEM> DSRAMRES
2) If uploading of backup data fails before replacement due to the damage to the
DC Controller PCB, enter the values of service mode items recorded on the
service label or P-PRINT.
3) Turn OFF and then ON the main power switch.
(Turning OFF/ON the main power switch allows the values entered for the service
mode items to take effect.)
4 Disassembly/Assembly > Controller System > Removing the DC Controller PCB Unit > Preparation
Removing the DC Controller PCB Unit
■ Before Replacing
Before
Replacing
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■ Preparation
1) Remove the Rear Cover 1(Refer to page 4-35).
2) Remove the Left Upper Cover(Refer to page 4-37).
3) Remove the Fax Speaker Unit (to be removed for models equipped with a fax)
(Refer to page 4-105).
4) Remove the Fax Unit (to be removed for models equipped with a fax)(Refer to page 4-105).
5) Remove the Main Controller Unit(Refer to page 4-84).
6) Remove the Low-voltage Power Supply PCB Unit(Refer to page 4-97).
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1)Backup the Service Mode data.
(Lv.2) COPIER > FUNCTION > SYSTEM > DSRAMBUP
After "ACTIVE" is displayed for approx. 2 minutes, "OK!" is displayed.
If necessary,output the servise mode setting values by P-PRINT before
execution.
(Lv.1) COPIER > FUNCTION > MISC-P > P-PRINT
2)After the above execution is completed, turn OFF the main power supply.
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