Troubleshooting Procedure (Continued)
Step
Actions and Questions
5
Is +24 VDC present at P847-4?
3-48
Yes
Replace the
finisher control
board.
Phaser 7750 Printer Service Manual
No
Troubleshoot the
+24 VDC
interlock circuit,
using the
"Troubleshooting
the 24 VDC
LVPS" on
page 4-18.