Troubleshooting - Oki TF-300P Field Service Manual

7. TROUBLESHOOTING

7.1 LCD Fails to Display after Power On
Check if J7 connector
normal
Yes
Check if AC power
supply normal
Yes
Check if DC power
supply normal
Yes
Check if key board
plug loose
Insert anew
No
Eliminate AC
No
power fault
Elininate power
No
supply fault
7-1