121.45 Service fuser error

Issue description

The printer displays “121.45 Service Fuser error” on the OP panel

Solution

This issue could be caused by the printer side door not being closed. Check for any paper jams on the printer, this will ensure that the door is closed. Refer to “Paper jam in door C” for steps on clearing this paper jam.

If the error reoccurs, start the printer in the Diagnostics Mode
with door C open and perform the following steps:

Open the front cover.

Turn OFF
the printer using the power button on the left side (rocker switch).

Press and hold the 3
and 6
buttons while turning ON
the printer using the power button on the left side (rocket switch). Click here to see the image of the step

Close the front door.

Release the buttons when the splash screen appears. See image here.

Screen will indicate DIAGNOSTICS MODE
in the upper left-hand corner if the sequence was performed correctly. If not, repeat, until you see the Lexmark screen.

Enter the Diagnostics menu, and then navigate to:

Printer setup
> Reset Engine Service Error
, then touch Start
. Click here to see the image.

Slide the scroll bar to the top to Exit Diagnostic Menu.

The printer will reboot.

When the printer reboots, the
Service Error
will be cleared.

LEGACY ID: SO8716