Brother DCPJ525W Service Manual page 219

(5) Remove one screw "a" (main PCB B57U081) or three screws "a" (main PCB B57U082)
from the main PCB, then lift up the PCB and its insulation sheet.
(6) Remove two screws "b" (that secure the PS/MJ shield unit together) from the main PCB
frame, then lift it up.
B57U082
"a"
"a"
"a"
"b"
"b"
Assembling Note: If you replace the main PCB, you need to load programs onto the flash
ROM, restore the machine information and head calibration data that have been backed up in an
external memory, and make specified adjustments of various settings (refer to
Section 2 "IF YOU REPLACE THE MAIN
carriage unit is mounted.
SDAA cover*
"a"
Main PCB
Main PCB
"b"
insulation
sheet
Main PCB
frame
PCB"). Before starting, make sure that the head/
3-82
B57U081
"b"
* For MFC only
Lower cover
"a": Taptite, cup S M3x6
"b": Screw, bind M3x6
(3_075)
Chapter 4,
Confidential