Canon imageCLASS X LBP1238 II Service Manual page 60

NOTE:
If you want to apply only firmware that is newer than the firmware currently applied in the machine, execute DOWNLOAD. If you
want to apply all the firmware contained in the USB flash drive regardless of whether it is newer or older, execute DL_FORCE.
CAUTION:
When the machine returns to the service mode screen without restarting after executing this service mode, one of the
following had occurred so return to step 1 and check again.
• The folder name that the firmware is stored in is not correct
• The structure of folder that the firmware is stored in is not correct. (It is not located on the root directory of USB flash
drive)
• The firmware for the different model as the target model is stored
4. The machine will automatically restart and the version upgrade process for firmware starts.
NOTE:
After transitioning to [DOWNLOAD MODE], the USB flash drive can be removed.
5. When the upgrading of firmware is completed, the machine automatically restarts again.
DL-FORCE?
Yes No
Execution screen
SYSTEM
DOWNLOAD
PANEL-UP
LOGWRITE
IMPORT
EXPORT
DCONLOG
***DOUNLOAD MODE***
UPGRADING FIRMWARE.
DO NOT TURN OFF
50
3. Technical Explanation (System)
Executing...