Lexmark M52 Series Service Manual page 58

Actions
Step 1
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the printer is using a third‑party cartridge, then refer the
users to their cartridge supplier.
Is the printer using a genuine and supported toner cartridge?
Step 2
Install a genuine and supported toner cartridge.
Does the problem remain?
Step 3
Remove any packing material left on the imaging unit, including
pieces of tape on the side of the unit and the red separator plastic.
Note: You may need a pair of pliers to remove a piece of broken
plastic inside the imaging unit.
Does the problem remain?
Step 4
Replace the imaging unit.
Does the problem remain?
Diagnostics and troubleshooting
58
Yes No
Go to step 3. Go to step 2.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
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