4-48 Confidential
[ 8 ] Control panel and LCD
Defective component Result Error codes
Rubber keypad - Keys will not work. ---
Control panel PCB - The monochrome LCD will show nothing. *
1
- Keys will not work.
- The LEDs will not light.
---
Color LCD *
2
The color LCD will show nothing. ---
*
1
For models with monochrome LCD
*
2
For models with color LCD
[ 9 ] PCBs
Defective component Result Error codes
Main PCB
- No faxes will be able to be sent.
- No phone calls will be able to be made.
- Copying will not be possible.
- PC-driven printing will not be possible.
- Scanning will not be possible.
- The machine will not be able to be turned on.
- Any of the following images may appear on the
printout:
- The ringer will not sound.
---
MJ PCB - No faxes will be able to be sent.
- No phone calls will be able to be made.
- The ringer will not sound.
- No tone will be detected.
- The machine will not be able to switch to the
external telephone.
D
*
Power supply PCB - The machine will not be able to be turned on.
- The LED will not light.
- The LCD will show nothing.
---