Table of Contents
Advertisement
4093/4094
Power Service Check
1
Power Supply
2
Printhead Cable
Parallel Cable
Encoder Card
3
Photo Controller
Board (5770)
Photo Controller
Operator Panel
(5770)
4
System Board
Disconnect the power connector from the system
board at (J4) and check the following voltages on
the power supply cable:
J4-3 to GND = +30 V dc
If you do not have correct voltage, replace the
power supply. Be sure to unplug the printer before
you reconnect the power connector (J4) to the
system board.
Unplug the printer. Disconnect one of the
printhead cables and re-plug the printer. Look for a
symptom change. Check the failing part for shorts
and replace as necessary. Repeat this procedure
for the parallel cable and the encoder card.
Remove the camera card from the camera card
slot. Unplug the printer. Remove the photo
controller assembly and disconnect the photo
controller to system board cables. Re-plug the
printer and look for a symptom change and
replace the failing part.
Unplug the printer and re-plug the photo controller
cables. Disconnect the operator panel. Re-plug
the printer and look for a symptom change and
replace the failing part.
If the symptom has not changed, replace the
system board.
Diagnostic Information
2-15
Advertisement
Table of Contents
