Canon LBP6230dw Manual page 150

Utility Menu
You can clean the fixing unit inside the machine.
Cleaning
Clean the fixing unit if black spots or streaks appear on printouts. Note that you cannot clean the fixing unit when the machine has
documents waiting to be printed. To clean the fixing unit, you need plain A4 size paper. Before starting, load A4 size paper in the
multi-purpose tray or manual feed slot (
Log on to the Remote UI (
[Execute]
The paper is fed slowly into the machine, and cleaning starts. The cleaning is done when the paper is completely
ejected.
Cleaning cannot be cancelled once it starts. Wait until it finishes (approx. 90 seconds).
System Management
You can specify that a PIN (system manager password) is required when logging in to the Remote UI in System Manager Mode, and you
can register information about the system manager, such as name and contact information. You can also register a name to identify this
machine, and register its location.
System Manager Information
System Manager PIN
System Manager Name
Contact Information
E-Mail Address
System Manager Comment
Device Information
Device Name
Location
Support Link
Log on to the Remote UI in System Manager Mode (
[System Management]
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Loading Paper in the Multi-Purpose Tray
Starting the Remote UI)
[OK]
[Edit] Item settings
Loading Paper in the Manual Feed Slot).
[Settings/Registration]
Starting the Remote UI)
[OK]
[Utility Menu] [Cleaning]
[Settings/Registration]