Kyocera Mita FS-6750 Service Manual page 141

Troubleshooting
Diagnostic
Figure 6.4 False error—Missing waste toner bottle
FS-6750
False error
[Missing waste
toner bottle]
Is #4 (TNCON*)
of CN1 on KP-628
low?
Yes
Connect tester to #4 of
CN22 on KP-904.
No
Is #4 low?
Yes
Replace KP-628.
Replace KP-904.
6-21
No
Replace KP-628
board.