Lexmark C950 - Toner specks; MAKE SURE THERE IS NO DEFECTIVE TONER CARTRIDGE; MAKE SURE THE PHOTOCONDUCTOR UNIT IS NOT DEFECTIVE; Toner fog or background shading appears on the page

Ordering a maintenance kit
When [x] Maintenance Kit appears on the printer display, order the indicated maintenance kit to replace the
worn parts. All maintenance kit parts except that in the 480K maintenance kit are designed to be user‑replaceable. The
kits come with instructions.
Recommended maintenance kits and part numbers
Maintenance kit Service part number
160K Maintenance Kit 40X7540
320K (100 V) Maintenance Kit 40X7568
320K (110 V) Maintenance Kit 40X7550
320K (220 V) Maintenance Kit 40X7569
480K Maintenance Kit 40X7560
Replacing parts and supplies
Replacing a maintenance kit
1 Replace the maintenance kit.
2 Reset the maintenance count to zero to clear the 80 scheduled maintenance [x] message.
Note: For more information on replacing the maintenance kit and resetting the maintenance count, see the
instruction sheets that came with the maintenance kit.
Replacing a photoconductor unit
1 Open the front door.
Maintaining the printer
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