Customer Maintenance - Canon PIXMA MX870 Service Manual

1-2. Customer Maintenance

Adjustment
Automatic - At print head replacement
print head - When print quality is not satisfying
alignment (uneven printing, etc.)
Manual print - At print head replacement
head - When print quality is not satisfying
alignment (uneven printing, etc.)
Print head When print quality is not satisfying.
cleaning
Print head When print quality is not satisfying,
deep cleaning and not improved by print head
cleaning.
Ink tank When an ink tank becomes empty.
replacement ("No ink error" displayed on the
monitor or on the machine LCD, or
short flashing of an ink tank LED)
Paper feed - When paper does not feed properly.
roller cleaning - When the front side of the paper is
smeared.
Bottom plate When the back side of the paper is
cleaning smeared.
Scanning area When the platen glass or document
cleaning pressure sheet is dirty.
Exterior When necessary
cleaning
Timing
To ensure accurate dot
placement.
To ensure accurate dot
placement.
To improve nozzle
conditions.
To improve nozzle
conditions.
To replace the empty ink
tank.
To clean the paper feed
rollers of the selected paper
source (rear tray or cassette).
To clean the platen ribs.
(Feed the paper from the
rear tray.)
To clean the platen glass and
pressure sheet.
To clean the machine
exterior, or to wipe off
dusts.
Purpose
3 / 63
Tool
- Machine buttons
- Computer (MP driver)
- Machine buttons
- Computer (MP driver)
- Machine buttons
- Computer (MP driver)
- Machine buttons
- Computer (MP driver)
---
- Machine buttons
- Computer (MP driver)
- Machine buttons
- Computer (MP driver)
Soft, dry, and clean lint-
free cloth.
Soft, dry, and clean lint-
free cloth.
Approx.
time
6 min.
10 min.
1 min.
2 min.
1 min.
2 min.
1 min.
1 min.
1 min.