12
12.3
When the Message "Preventive Maintenance Time" Is
Displayed
After a set number of copies (250,000 copies) have been made on your ma-
chine, Preventive maintenance will be required for maintaining optimal per-
formance.
If the message "Preventive maintenance time." is displayed, contact your
technical representative and request a periodic maintenance inspection.
12-8
Machine Maintenance
bizhub 500/420