Oki B4100 - Manual (Page 240)

40055101TH Rev.4 240 /
7.1.4 Printing Test Failure
Start
Yes
Perform SELF DIAGNOSIS.
Replace MCNT Board
Go to 7.1.22 (printer unit)
End
No
Print test OK?
No
Yes
Solved?
No
Return to section 7.1.1