Backup/Restoration By Expansion Rom For Servicing And Sublog Board; Function Overview; What To Prepare; Prerequisites - Canon imageCLASS LBP6780dn Service Manual

5
Troubleshooting > Backup/Restoration by Expansion ROM for servicing and Sublog Board > Function Overview > Target Data for Backup
Backup/Restoration by Expansion ROM for servicing
and Sublog Board

Function Overview

Data can be migrated to an unused Main Controller PCB by using the Expansion ROM for
servicing + Sublog Board when the Main Controller PCB becomes faulty.

■ What to Prepare

• Sublog Board
• Expansion ROM for servicing
• Unused Main Controller PCB
CAUTION:
Install the Sublog Board to which data was backed up (exported) and Expansion ROM
PCB to an unused Main Controller PCB which has not been installed to the machine.
Data cannot be migrated to a Main Controller PCB which has ever been used, even if
only once.

■ Prerequisites

NOTE:
The battery on Sublog Board is located at BATS1 CR2032.
Push SW1 on the board and confirm that LED1 turns on.
If LED1 does not turn on, You need change battery.
CAUTION:
There is danger of explosion if the battery is replaced with an incorrect type.
Replace it only with the same type of battery.
Dispose of used batteries according to the manufacturer's instructions.
5 Troubleshooting > Backup/Restoration by Expansion ROM for servicing and Sublog Board > Function Overview > Target Data for Backup

■ Target Data for Backup

User mode setting values
Service mode setting values
Page counter
Device serial number
5-60
T-5-58
5-60