Canon fax-phone b740 매뉴얼

Chapter 13

Troubleshooting

■ Hue changes.

The nozzles on the BJ cartridge print head may be clogged.
• Refer to the flow chart (

p. 12-8) and clean the BJ cartridge print head if necessary.

The BJ cartridge or ink tanks may need to be replaced.
• Determine if the problem is with the BJ cartridge or ink tanks (

if necessary. (

General Problems

■ The copier/fax has no power.

The power cord may not be plugged in securely.
• Check that the power cord is plugged securely into the copier/fax and into the wall

plugged in and turned on.

The power cord may not be supplying power.
• Check the power cord by substituting with another, or by using a voltmeter to test it

for continuity.

■ The copier/fax will not print reports.

The BJ cartridge or the Black ink tank may need to be replaced.
• Determine if the problem is with the BJ cartridge or Black ink tank (

replace if necessary. (

■ Nothing appears in the LCD.

The power cord may not be plugged in securely.
• Check that the power cord is plugged securely into the copier/fax and into the wall

plugged in and turned on. If the LCD remains blank, unplug the unit, wait five
seconds, then plug it in again.