Vertical Dark Bands Check - Lexmark MX310 Service Manual

Vertical dark bands check

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, and then reinstall the toner cartridge and imaging unit.
Does the problem remain?
Step 4
If a bright light enters the right side of the printer, then move the
printer to avoid the bright light.
Note: In cases where the printer cannot be moved or relocated,
add a cover to the fan inlet vent to block the light from entering
the printer, or contact the next level of support.
Does the problem remain?
Diagnostics and troubleshooting
72
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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