Scheduled Maintenance - Lexmark T620 Service Manual

4069-5XX/7XX

Scheduled Maintenance

The operator panel displays the message "80 Scheduled
Maintenance" at each 300K page count interval. It is necessary to
replace the fuser assembly, transfer roller and charge roll at this
interval to maintain the print quality and reliability of the printer. The
parts are available as a maintenance kit with the following part
numbers:
99A2408 - 115V 875W Models 520/52n
99A2407 - 220V 875W Models 520/52n
99A2411 - 115V 875W Models 722/72n
99A2410 - 220V 875W Models 722/72n
After replacing the kit, the maintenance count must be reset to zero
to clear the "80 Scheduled Maintenance" message. Refer to
"Maintenance Page Count" on page
6-2
Service Manual
3-31.