Canon MF720 Series Service Manual page 245

4. How to judge whether the operation was successful or failed
Whether the operation was successful or failed is not shown on the UI, so perform the following procedure to judge if
the operation was successful or failed.
B&W mode
• COPIER > ADJUST > CCD > LED-BW-R (Adjustment of LED light-up time (R) at B&W reading)
• COPIER > ADJUST > CCD > LED-BW-G (Adjustment of LED light-up time (G) at B&W reading)
• COPIER > ADJUST > CCD > LED-BW-B (Adjustment of LED light-up time (B) at B&W reading)
Check the foregoing values. If all of them remain "1,000", the operation result is judged to be "failed".
If the operation result is judged to be "failed", turn OFF and then ON the power, and execute COPIER > FUNCTION >
CCD > BW-AGC again.
Color mode
• COPIER > ADJUST > CCD > LED-CL-R (Adjustment of LED light-up time (R) at color reading)
• COPIER > ADJUST > CCD > LED-CL-G (Adjustment of LED light-up time (G) at color reading)
• COPIER > ADJUST > CCD > LED-CL-B (Adjustment of LED light-up time (B) at color reading)
Check the foregoing values. If all of them remain "1,200", the operation result is judged to be "failed".
If the operation result is judged to be "failed", turn OFF and then ON the power, and execute COPIER > FUNCTION >
CCD > CL-AGC again.
4. Executing initial adjustment.
Follow the procedure shown below to execute initial adjustment and enter the factory adjustment values.
1. Enter default setting values indicated on the service label in the corresponding service mode items.
2. Execute the following service mode to back up the DC Controller setting values.
COPIER > FUNCTION > VIFFNC > STOR-DCN
3. The initial installation mode will be activated by turning OFF and then ON the power. Configure the following settings
according to the instruction on the screen.
• Setting of date/time
• Auto-gradation correction
4. Correction of coordinate position of Touch Panel in the following service mode.
COPIER > ADJUST > PANEL > TOUCHCHK
5. Migrating the serial number
1. Enter the serial number (8-digit alphanumeric) in Settings/Registration > System Settings > Device Information >
Location.
2. Execute the following service mode, and write the serial number entered in the previous step on the Main Controller
PCB.
COPIER > OPTION > SERIAL > SN-MAIN
After it has been written, the serial number entered in "Location" is deleted.
3. Turn OFF and then ON the main power.
4. Execute the following service mode, and check the serial number on the System Management Data List that was output
(Body. No.).
COPIER > FUNCTION > MISC-P > SPEC
6. Migrating user data and service mode data
1. Enter service mode, and set the following item to "1".
• COPIER > OPTION > USER > SMD-EXPT
NOTE:
The [SMD-EXPT] setting can be specified either from the Control Panel or from the remote UI.
2. Using the DCM function (Refer to
information.
• User data (the settings of the [Settings/Registration] menu and the address book)
• Service mode setting information
3. Enter service mode, and set the following item to "0".
• COPIER > OPTION > USER > SMD-EXPT
NOTE:
The [SMD-EXPT] setting can be specified either from the Control Panel or from the remote UI.
"Setting Information Export/Import Function (DCM)" on page
237
5. Adjustment
58), restore the following