Lexmark MX912dxe - Maintenance; Inspection Guide

Maintenance
Inspection guide
Use this guide in identifying the parts that must be inspected, cleaned, or replaced based on the page count.
If any unsafe condition exists, find out how serious the hazard is and if you can continue before you correct the hazard.
As you service the printer, check for the following:
• Damaged, missing, or altered parts, especially in the area of the power switch and the power supply
• Damaged, missing, or altered covers, especially in the area of the top and power supply covers
• Possible safety exposure from any non-Lexmark attachments
Use the following table to determine when to inspect the following parts:
PART EVERY 50K EVERY 300K EVERY 600K EVERY 720K
MEDIA FEEDERS/TRAYS—ALL
Feed, separator, and pick rollers
1
Clean
Replace
4
Replace
5
‑‑
Transport rollers
Clean
2
‑‑ ‑‑ ‑‑
Sensors (photo reflective)
Clean
3
‑‑ ‑‑ ‑‑
REGISTRATION
Registration roller
Clean
2
‑‑ ‑‑ ‑‑
IMAGE TRANSFER
Transfer belt paper guide
Clean
2
‑‑ ‑‑ ‑‑
Sensor (toner density) ‑‑
Clean
3
‑‑ ‑‑
Transfer belt maintenance kit:
• Transfer belt
• Exhaust filter
• Ozone filter
• Printhead cleaner
‑‑
Replace
4
Replace
5
‑‑
DEVELOPER
Developer unit ‑‑ ‑‑
Replace
5
‑‑
1
For 500‑sheet trays, if jams still occur after 80K, then replace using the spare rollers in the tray compartment.
2
Use damp cloth.
3
Use brush.
4
Reset 300K Maintenance kit.
5
Reset 600K Maintenance kit.
6
Reset Fuser kit.
7
Clean when fuser is replaced.
8
Use dry cloth.
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Maintenance
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