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 conditions exist, find out how serious the hazard could be and if you can continue before you correct the
hazard.
As you service the machine, check for the following:
• Damaged, missing, or altered parts, especially in the area of the On/Off switch and the power supply
• Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover
• Possible safety exposure from any non-Lexmark attachments
Clean the following parts with damp a cloth on every 300K page count:
• Rollers and idler rollers
• Paddles
• Bifold rollers
Lubrication specification
Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use of lubricants other than those
specified in this service manual can cause premature failure. Some unauthorized lubricants might chemically attack
polycarbonate parts. Use Grease P/N 99A0394 Nyogel 744.
4021, 7421
Maintenance
535
To Next Page
Loading...
