Canon MF720 Series Service Manual page 246

7. Reinstall the drivers.
1. Uninstalling Old Drivers.
• Printer Driver
• FAX Driver
• Scanner Driver
• Network Scan Utility. (for machines with network connection)
* As for the procedure, refer to "Uninstalling the Software" in the Starter Guide.
2. Refer to the following items in the Startup Guide and install the drivers which were uninstalled.
• In case of network connection: "Installing via Network Connection"
• In case of USB connection: "Installing with USB Connection"
NOTE:
MAC address information is changed after replacement of the Main Controller PCB. Therefore, when the PC and the machine are
connected by the network, the PC will not be able to recognize the machine on the network. When the PC and the machine are
connected by the USB memory device, the PC will not be able to recognize the machine if the USB ID is changed. It becomes
therefore necessary to reinstall the driver.
In the case of a model without fax for EUR (MF724Cdw), perform the following works.
NOTE:
After replacing the Main Controller PCB, the value of the service mode (SDTM-DSP) to set whether to display or hide the
automatic shutdown menu becomes "0" (default value).
In that case, the automatic shutdown menu is not displayed on the LUI of the machine.
To display the automatic shutdown menu on the LUI of the machine, it is necessary to execute this process.
8. Setting of automatic shutdown menu display
Set 1 for automatic shutdown menu display in service mode (default: 0).
COPIER > OPTION > BODY > SDTM-DSP
9. Turn OFF and then ON the main power.
10. Checking the setting of Auto Sleep Time
In setting menu, check that the setting value of Auto Sleep Time is 1. (If the setting value is 0, automatic shutdown does not
work.)
Menu > Timer Settings > Auto Shutdown Time
■ DC Controller PCB
● Before Replacing the DC Controller PCB
1. Execute the following service mode to restore the DC Controller setting values that were backed up in the previous
step.
COPIER > FUNCTION > VIFFNC > STOR-DCN
● After Replacing the DC Controller PCB
1. In service mode, perform the following procedure to restore the DC Controller setting values.
COPIER > FUINCTION > VIFFNC > RSTR-DCN
When restoration is executed, "ACTIVE" will be displayed, and then "OK!" will be displayed in about 2 minutes at the
completion of restoration.
2. When backup data cannot be uploaded before replacement due to reasons such as damage of the DC Controller
PCB, enter the value of each service mode item described on the service label.
3. Turn OFF and then ON the power.
4. Configure the following settings from the Control Panel.
• Menu > Adjustment/Maintenance > Print Color Displacement Correction
• Menu > Adjustment/Maintenance > Auto Gradation Correction > Quick Correction
5. Turn OFF and then ON the power.
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5. Adjustment