Warnings; Troubleshooting By Symptom - Canon PIXMA iP4000 Service Manual

2-3. Warnings

Printer (no LED indications):
Displayed warning
Low ink of 3eBK, 6C, 6M, 6Y, or 6BK (at detection
of no remaining raw ink)
Print head temperature rise
Protection of excess rise of the print head temperature If the print head temperature exceeds the specified limit, a Wait is inserted during printing,
*1: If the warning is displayed, the carriage does not move to the ink tank replacement position when the access cover is opened.

2-4. Troubleshooting by Symptom

The power does not turn on.
The power turns off immediately after power-on.
The print head is not recognized.
Faulty operation
The print head does not move to the home position.
A strange noise occurs.
Printing stops mid-way.
Multiple sheets feed.
Paper does not feed.
Paper feed
problems
Paper feeds at an angle.
No printing, or no color ejected.
Printing is faint, or white lines appear on printouts
even after print head cleaning.
Line(s) not included in the print data appears on
printouts.
Unsatisfactory
print quality
Paper gets smeared.
A part of a line is missing on printouts.
Color hue is incorrect.
Status indication only.
If the print head temperature is high when the access cover is opened, the warning is displayed
When the print head temperature falls, the warning is released.
Symptom
Replace the
Remove and re-install the print head, or replace the
Remove foreign material, or attach a removed part if any.
Replace the logic board ass'y
Replace the
Remove foreign material, or replace the
Remove foreign material, or replace the
Replace the
Remove and re-install the print head, or replace the
Feed several sheets of paper,
perform bottom plate cleaning, or
clean the paper path with cotton swab or cloth.
Replace the
Replace the
perform print head alignment.
Remarks
Solution
- AC adapter, or
- logic board ass'y *1 .
- print head, or
- logic board ass'y *1 .
*1 .
- sheet feed unit,
- cassette.
- sheet feed unit, or
- cassette.
- sheet feed unit, or
- cassette.
- ink tank,
- print head *2 ,
- logic board ass'y *1 , or
- purge unit.
- ink tank,
- print head *2 ,
- purge unit, or
- logic board ass'y .
*1
- ink tank, or
- print head .
*2
- ink tank, or
- print head *2 , or
1 - 6
*1 .
Remarks