Brother HL-4050CDN - Page 32

Confidential
1-15
Error code 35
Print Unable 35
Turn the power off and then back on again.
NVRAM failure on Engine PCB
Step Cause
Remedy
1
Engine PCB failure Replace the engine PCB ASSY.
Error code 36
Print Unable 36
Turn the power off and then back on again.
Transfer HVPS PCB failure
Step Cause
Remedy
1 Harness connection failure of
transfer HVPS PCB ASSY
Check the two harness connections between the
transfer HVPS PCB and registration relay PCB,
and the two ones between the registration relay
PCB and engine PCB. Then reconnect them.
2 Transfer HVPS PCB ASSY
failure
Replace the transfer HVPS PCB ASSY.
3 Engine PCB failure Replace the engine PCB ASSY.
Error code 37
Print Unable 37
Turn the power off and then back on again.
Belt unit temperature sensor failure
Step Cause
Remedy
1 Belt unit temperature sensor
harness connection failure
Check the harness connection between the belt
unit temperature sensor and registration relay
PCB, and the one between the registration relay
PCB and engine PCB. Then reconnect them.
2 Transfer HVPS PCB unit
failure
Replace the transfer HVPS PCB unit.
3 Engine PCB failure Replace the engine PCB ASSY.