The printer has stopped printing because the top cover is open. On the front panel of the printer, press the i button to view information about the front panel message.
Close the top cover so
that printing can resume.

If the error continues:
If you have a
stacker, remove paper from the stacker, then raise the stacker tray.

Open the top
cover.

Remove the print
cartridge.

Reinsert the
print cartridge.

Close the top
cover.

Lower the stacker
tray.

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