Dc Controller Pcb; Tpm Pcb; Control Panel Cpu Pcb/Lcd Panel - Canon imageRUNNER ADVANCE C5255 Series Service Manual

5
Adjustment > Main Controller > Control Panel CPU PCB/LCD Panel
Aftter When SRAM data is temporarily backed up to an USB memory device:
Replacement 1) After replacing the PCB, start the machine by 2+8 startup.
2)Connect the USB memory device to USB I/F (Host) of the machine.
When the download Menu (USB) appears, press the [8] key on the Control
Panel.
3)The download Menu 2nd (USB) will appear. Press the [2] key.
4)Press the [0] key for confirmation.
5)The Restore Menu (USB) will appear. Press the [2] key.
6)Press the [0] key to confirm, and then the SRAM data is restored from the USB
memory device.
7)Press the [C] key to return to the download Menu (USB).
8)Press the [Reset] key to shut down the host machine.
When SRAM data is temporarily backed up to an HDD:
1) After replacing the PCB, start the machine by 2+8 startup.
2)When the download Menu (HDD) appears, press the [8] key on the Control
Panel.
3)When the download Menu 2nd (HDD) appears, press the [2] key on the Control
Panel.
4)Press the [0] key for confirmation.
5)When the Restore Menu (HDD) appears, press the [2] key on the Control Panel.
6)Press the [0] key to confirm, and then the SRAM data is restored from the
internal HDD.
7)Press the [C] key to return to the download Menu (HDD).
8)Press the [Reset] key to shut down the host machine.
Points to Note If mismatch between the box management information included in the SRAM
data and box data on the HDD occurs, which is caused by starting the machine
normally without restoring SRAM data after replacing the Main Controller 2 PCB,
the box management information is initialized. As a result, box documents on the
HDD are deleted.
Therefore, be sure to back up the box documents on remote UI.
Restrictions Do not transfer the following parts to another machine (a machine of a different
serial number).
The machine will not start up normally, and may become unrecoverable in some
cases.
• Main Controller PCB 2 (with the Memory PCB unremoved)
• Memory PCB
5 Adjustment > Main Controller > Control Panel CPU PCB/LCD Panel

DC controller PCB

How to Replace Refer to "Removing the DC Controller PCB".
the Parts
Before Backup of DC Controller PCB SRAM
Replacing COPIER > FUNCTION > SYSTEM > DSRAMBUP (LEVEL2)
"ACTIVE" is displayed and then "OK!" is displayed about 2 minutes later.
Turn OFF the main power when the above work is complete.
Aftter Replacing Restoration of DC Controller PCB SRAM
COPIER > FUNCTION > SYSTEM > DSRAMRES (LEVEL2)
"ACTIVE" is displayed at execution and then "OK!" is displayed about 2 minutes
later. Restoration is complete.
Prohibited • When replacing the DC Controller PCB, be sure to use a new one. Do not use
Operation the DC Controller PCB which was used with another machine.

TPM PCB

How to Replace Refer to "Security Features (Encryption Key, Certificate, Password Protection)"
the Parts
* Be sure to perform the installation work by referring to the procedure above.

Control Panel CPU PCB/LCD Panel

After replacement, make an adjustment in COPIER> FUNCTION> PANEL> TOUCHCHK.
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