Canon
imageRUNNER ADVANCE DX 6800 Series Service Guide
imageRUNNER ADVANCE DX 6800 Series Service Guide
March 2023
Revision 9
Page 67
Table 28 – Main Unit Periodic Maintenance Items Continued
Main Unit Periodic Maintenance
Part Name
Estimated
Interval
Maintenance
Task
Remarks
Inner Delivery Roller
When Needed
Check
Delivery Inlet Roller
When Needed
Check
Vertical Path Optical Sensor
When Needed
Clean
Vertical Path Light-Blocking
Sheet
When Needed
Clean
Dustproof Glass Cleaning Pad When Needed
Replace
Table 32 – Reader / ADF Periodic Maintenance Items
Main Unit Periodic Maintenance
Part Name
Estimated
Interval
Maintenance
Task
Remarks
Reader
Front and back sides of
Copyboard Glass (Large)
When Needed
Clean
Clean when soiling is remarkable
(including the back side White
Plate)
Front and back sides of
Copyboard Glass (Small)
When Needed
Clean
Clean when soiling is remarkable
Scanner Mirror (1
st
to 5
th
)
When Needed
Clean
ADF
Post-Separation Sensor
When Needed
Clean
Performed as needed during a visit
for parts replacement.
Registration Roller
When Needed
Clean
Lead Roller 1
When Needed
Clean
Lead Roller 2
When Needed
Clean
Delivery Roller
When Needed
Clean
Pullout Roller
When Needed
Clean
Rollers / Slave Roller
When Needed
Clean
ADF height adjustment
When Needed
Adjust
Original Tray Sensor
When Needed
Clean
Double Feed Sensor
(Transmission side)
When Needed
Clean
Double Feed Sensor
(Reception side)
When Needed
Clean
43 Value is based on LTR sized paper. Estimated average values in the field, based on data from
supplier. Data is subject to change depending upon many factors including, without limitation,
monthly copy volume, environment, type of image printed and customer handling of the equipment.
Summary of Contents for imageRUNNER ADVANCE DX 6870i
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