Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual page 228

Assembling Note:
- Be careful not to loose the HVPS charge head, HVPS charge head spring, HVPS DEV head
and HVPS DEV head spring. Before assembling the Charge HVPS PCB ASSY, check that
these four parts are complete, and that they move smoothly.
- When assembling the Charge HVPS PCB ASSY, be careful not to catch the harness of the
Air intake fan (AIR) in the Charge HVPS PCB ASSY.
Air intake fan (AIR)
Caution
HVPS DEV head
HVPS DEV
head spring
Frame R
Fig. 3-177
Fig. 3-178
3-119
HVPS charge head
HVPS charge head spring
Charge HVPS PCB ASSY
Confidential