Repeating horizontal black and white lines check

Step

Action

1

Perform a power-on-reset (POR) by powering the printer off and power it back on.

2

Open the printer front door and remove the supplies.

3

Remove the toner cartridge from the imaging unit to separate the two supplies.

4

Insert the toner cartridge back to the imaging unit, install back the supplies to the printer and close the front door.

5

Perform a test print and check if the PQ issue still appears.

• If the issue appears, proceed to the next step.

6

Should the issue persist, replace the Imaging Unit with Part number: B220Z00.