List Of Error Display/Troubleshooting; Operator Call Errors (By Alarm Led Lit In Orange) - Canon MP640 Service Manual

MP640 / MP648
2. LIST OF ERROR DISPLAY / TROUBLESHOOTING
Errors and warnings are displayed by the following ways:
1. Operator call errors are indicated by the Alarm LED lit in orange, and the error and its solution are displayed on the
LCD in text and by icon.
2. Messages during printing from a computer are displayed on the MP driver Status Monitor.
3. Error codes (the latest 10 error codes at the maximum) are printed in the "operator call/service call error record" area in
EEPROM information print
Buttons valid when an operator call error occurs:
1. ON button: To turn the machine off and on again.
2. OK button: To clear and recover from an error. In some operator call errors, the error will automatically be cleared
when the cause of the error is eliminated, and pressing the OK button may not be necessary.
3. Stop button: To cancel the job at error occurrence, and to clear the error.

2-1. Operator Call Errors (by Alarm LED Lit in Orange)

Error
Error
code
No paper in the [1000]
rear tray.
No CD / DVD [1001]
*1
tray .
*1
[1002]
No CD / DVD .
No paper in the [1003]
cassette.
Paper jam. [1300]
Paper jam in the [1303]
rear guide.
Paper jam in the [1304]
under guide.
Ink may have run [1600]
out.
Ink tank not [1660]
installed.
Print head not [1401]
U
Message on the LCD
No.
--- Rear tray.
There is no paper. Load
paper and press [OK].
--- There is no CD-R tray.
Attach the tray and press
[OK].
--- Printable disc is not set.
Correctly place a disc in
the CD-R tray and press
[OK].
--- Cassette.
There is no paper. Load
paper and press [OK].
--- The paper is jammed.
Clear the paper and press
---
[OK].
---
U041 The following ink may
have run out. Replacing
the ink tank is
recommended.
U043 The following ink tank
cannot be recognized.
(Applicable ink tank
icon)
U051 Print head is not
Solution
Confirm that the rear tray is selected
as the paper source. Set the paper in
the rear tray, and press the OK
button.
Set the CD / DVD tray, and press the
OK button.
Set a printable disk in the CD / DVD
tray, and insert the CD / DVD tray in
the proper position. Then, press the
OK button.
Confirm that the cassette is selected
as the paper source. Set the paper in
the cassette, and press the OK button.
Note that the cassette is for plain
paper only.
Remove the jammed paper and press
the OK button.
Replace the applicable ink tank, or
press the OK button to clear the error
without ink tank replacement. When
the error is cleared by pressing the
OK button, ink may run out during
printing.
Install the applicable ink tank(s)
properly, and confirm that the LED's
of all the ink tanks light red.
Install the print head properly.
8 / 54
TABLE OF CONTENTS
Parts that are likely to
be faulty
- ASF unit
- Pressure roller unit
- PE sensor board unit
- CD-R tray
- Carriage unit
- CD-R tray
- Carriage unit
- Pick-up arm unit
- Pressure roller unit
- Cassette unit
- Pick-up arm unit
- ASF unit
- Pressure roller unit
- Cassette unit
- Rear guide unit
- Spur unit
- Ink tank
- Carriage unit
- Print head