HP LaserJet Pro MFP M28-M31 - User Guide
Table 8-2 Control-panel light patterns (continued)
Light status Error code State of the printer Action
Er/25 The loaded paper is not the size
needed for the print job.
Replace the paper, or press Start Copy to
continue with the size currently loaded.
Er/26 The printer has experienced a
general engine error.
Press Start Copy to continue.
If the error repeats, turn o the printer. Wait 30
seconds, and then turn on the printer.
Er/81 Incorrect rmware has been loaded.
Press Start Copy to continue. Load the correct
rmware.
The Attention light is
blinking and the
Ready light is on.
Er/08 The supply has reached very low
status and is congured to stop.
The cartridge needs to be replaced, or the cartridge
setting needs to be changed to Continue in the EWS.. If
the supply is congured to Continue, then the Supply
light will be on but no error code will display.
The Attention and
Supply lights are
blinking, and the
Ready light is on.
Er/07 The supply is missing or incorrectly
installed.
Install or reinstall the supply.
Er/11 There is an issue with the cartridge. Make sure the shipping material has been removed
from the cartridge, and that the cartridge is compatible
and not damaged.
Er/14 The toner cartridge has been
protected and is not allowed to be
used in this printer.
Replace the cartridge.
Er/17 An unauthorized toner cartridge is
installed.
Replace the cartridge.
The Attention light is
blinking, and Ready
and Supply lights are
on.
Er/08 The supply has reached very low
status and is congured to stop.
The cartridge needs to be replaced, or the cartridge
setting needs to be changed to Continue in the EWS.. If
the supply is congured to Continue, then the Supply
light will be on but no error code will display.
ENWW Interpret control-panel light patterns 57










