HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
A-15
Confidential
APPENDIX 7
LOCATION OF THE FERRITE CORE
It is necessary to place the ferrite core correctly in order to comply with the EMI (Electromagnetic interface)
standard when assembling. Refer to the following chart as well to know the necessary ferrite core
depending on models.
RELAY-FRONT HARNESS AL
FERRITE CORE:16X9X5X0.5
FERRITE CORE:16X9X5X0.5
LD HARNESS AL
CORE:23.8X15X6.3X
1.1
Polygon Motor FFC
FERRITE CORE:26.0X9.5X5.0X1.2
Main Motor FFC
1
2
3
4