Issue description

Solution

Make sure that the latest
firmware
(
FW
) is installed.
Perform a
power-on-reset
(
POR
) by powering the printer off and power it back on.
Open the printer
front door
and remove the supplies.
Remove the
toner cartridge
from the
imaging unit
to separate the two supplies.

Insert the toner cartridge back to the imaging unit, install back the supplies to the printer and close the front door.
Perform a test print and check if the PQ issue still appears.
If the issue appears, proceed to the next step.
Access the
Diagnostics menu
from the home screen by pressing
Back
,
Right arrow
,
Back
, and
Right arrow
on the control panel.
Navigate to
Printer setup
>
EP setup
>
Charge adjust
and set it to '
High
'.
Should the issue persist, replace the
Imaging Unit
with Part number:
B220Z00
.