Toshiba e-studio281c - Abnormality in the IH Control Circuit

e-STUDIO281c/351c/451c © 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved
FUSER UNIT / PAPER EXIT SECTION
16 - 10
16.5.5 Abnormality in the IH control circuit
When an abnormality is detected in the IH control circuit, it stops the power supply to the IH coil and
displays a message “Call for service”.
1) IH control circuit
CPU output level of the IH control circuit changes depending on the condition of IH coil. This output
level goes through the photocoupler into the gate array.
Fig. 16-5
VDD
IH board
+5VSW
H1ERR2
H1ERR1
LGC board
CPU
Gate array