Maintenance; Inspection Guide - Konica Minolta bizhub 4020 Service Manual

8. Maintenance

8.1 Inspection guide

The purpose of this inspection guide is to aid you in identifying the intervals, based on page count, at
which parts must be inspected (for visible physical damage), cleaned, or replaced.
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-KONICA MINOLTA attachments
Use the following table to determine when specified parts should be inspected:
EVERY
SERVICE
CALL
MEDIA TRAY—ALL
Tray insert Inspect
Media side guides Inspect
Media end guide Inspect
Separation pad Inspect
Tray lift gear
assembly
Separator roll Inspect
assembly
MEDIA FEEDERS—ALL
ACM pick tire Inspect
MPF pick Inspect
roller/separator pad
Sensor
TRANSFER ROLL
Transfer roll Inspect
bizhub 4020/3320 Service Manual
EVERY EVERY
100K 200K
Inspect Inspect
Inspect Inspect
Inspect Inspect
Clean Clean
Inspect Inspect
Inspect Replace
Inspect Replace
Inspect Replace
Clean Clean
Inspect Replace
- 365 -
EVERY NOTES
400K
Replace
Check for correct positioning.
Check for correct positioning.
Damp cloth
Verify page count before replacing.
Replace Verify page count before replacing.
Clean Water or alcohol
Clean Brush or blower brush
Replace