Toshiba e-STUDIO477SL - Communication Error between System-CPU and Scanner-CPU; Scanner Response Abnormality

e-STUDIO477S/527S/477SL © 2013-2016 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
5 - 42
[F110] Communication error between System-CPU and Scanner-CPU
[F111] Scanner response abnormality
2 Check firmware version • Check the version of the system firmware on the SYS
board.
• Check the version of the PU firmware on the PU
board.
3 Board check • Check if the connector CN118, CN119 on the SYS
board and the connector CUIF0, CUIF1 on the PU
board are completely inserted.
• Check if the connector pin between the SYS board
(connector CN118, CN119) and the PU board
(connector CUIF0, CUIF1) is disconnected.
• Check if the connectors HEAD0K of the LED head is
completely inserted, and the harness is disconnected
or open circuited.
• Check if the conductor patterns on the PU board and
SYS board are short circuited or open circuited
Parts to be replaced Remark
PU board
SYS board
LED head
Harness of LED head
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 SYS board is
disconnected or open circuited.
• Check if the conductor pattern on the SU board is short circuited
or open circuited.
SYS board Check if the conductor pattern on the SYS board is short circuited or
open circuited.
Parts to be replaced Remark
SU board
SYS board
Procedure Check item Measures