Specifications
Using the Control Panel 253
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To clear this error, select Clear Warning from the control panel’s 
Reset Menu. See "How to access the control panel menus" on page 
214 for instructions.
Turn the Image Optimum setting off on the control panel’s 
Printing Menu if you do not want the printer to automatically 
lower the print quality to continue printing.
You may need to increase the amount of printer memory to be 
able to print at the desired print quality for your document. For 
more information on adding memory, see "Memory Module" on 
page 289.
Install Fuser
There is no fuser unit installed or the fuser unit is not installed 
properly. Turn off the printer, then install the fuser unit if it is not 
installed. 
If a fuser unit is already installed, turn the printer off and reinstall 
the unit after it has cooled off (30 minutes). Then open cover B. 
Remove the fuser unit, then reinstall it properly. Close cover B. 
The error clears automatically if the fuser unit is properly 
installed. 
If the error is not cleared, the fuser unit is out of order. Replace it 
with a new fuser unit.
Install LC1
The paper tray of the standard paper cassette is not installed, or 
not installed properly. Install the paper cassette correctly to clear 
this error.
Install LC2
The paper tray of the optional 550-sheet paper cassette unit is not 
installed, or not installed properly. Install the paper trays 
correctly to clear this error.
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