Other Errors Relating To The Controller Board - Mita DP-2800 Service Manual

Other errors relating to the controller board

Symptom
Display freezes while
indicating Processing.
Printed characters
garbled.
Harddisk error oc-
curred.
No display on the
message display.
Suggested causes
A situation in which OS is not
able to run is occurred.
Wrong printer driver is used.
Wrong emulation is used.
Parameters are incorrect on the
parallel interface. The surge
protection devices on the main
controller is defective.
—
Defective wiring around the front
panel. Defective front panel
board.
Corrective action
Turn power on and off. Or,
replace the main controller
board.
If the parallel interface is being
used, investigate for the
adequate length of the
parallel cable. Also, check
that the cable is properly
shielded. Or, replace the main
controller board.
See Option harddisk errors
on page Chapter 6-32.
Check wiring between the
main board and engine board;
between the engine board
and CON1 board; and CON1
board and front panel board.
Replace the front panel board
and/or main board.
5A2
6-31