Collecting Sublog; Flow Of Collecting Sublog; Changing The Height Of The Sublog Board; Installing The Expansion Rom For Servicing And Sublog Board - Canon imageCLASS LBP6780dn Service Manual

5
Troubleshooting > Debug log > Collecting Sublog > Installing the Expansion ROM for servicing and Sublog Board

Collecting Sublog

■ Flow of collecting Sublog

Installing the Sublog Board Install the board to the host machine.
Generating the log When the Sublog Board is installed, it records the log all time.
Collecting log When setting LOG TO USBMEM in service mode, log is
transferred to the USB memory device connected to the machine.

■ Changing the Height of the Sublog Board

Note:
When installing the Sublog Board, it needs to be installed parallel to the Main Controller
PCB in order to prevent connection error of the connector connecting the Main
Controller PCB and the Sublog Board.
This machine utilizes the height of the spacer (short), and how to replace the spacers
with each other is shown below.
2) Disassemble the Sublog Board [1], and replace the spacer (short) [1] and the spacer (long)
[3] with each other.
CAUTION:
Because the screw [4] is a molded part, do not tighten it too much. Otherwise, it may be
damaged.
[1]
5 Troubleshooting > Debug log > Collecting Sublog > Installing the Expansion ROM for servicing and Sublog Board
T-5-60
[4]
[3]
[2]
F-5-79

■ Installing the Expansion ROM for servicing and Sublog Board

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.
1) Install the Expansion ROM for servicing to the Sublog Board.
Expansion ROM for servicing
Sublog Board
5-67
Connectors
F-5-80
5-67