Oki MC770 Maintenance Manual

45584901TH Rev.1
5-42 /
Oki Data CONFIDENTIAL
[F110] Communication error between System-CPU and Scanner-CPU
[F111] Scanner response abnormality
Classification Error content
Communication related
service call
[F110] Communication error between System-CPU and Scanner-CPU
[F111] Scanner response abnormality
Check item Measures
SU board • CheckiftheharnessconnectingtheSUboardandCUboardis
disconnected or open circuited.
• CheckiftheconductorpatternontheSUboardisshortcircuitedor
open circuited.
CU board Check if the conductor pattern on the CU board is short circuited or open
circuited.
Parts to be replaced Remark
SU board
CU board

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English