Brother HL-S7000DN Service Manual page 91

■ Error code 3601
Print Unable 36
Turn the power off and then back on again.
Paper eject switching sensor detected that either optional output tray is selected or paper eject
switching is not set to optional output tray.
<User Check>
- Set paper eject switching destination to the optional output tray.
Step
1 Foreign object inclusion in the
paper eject ASSY
2 Optional output tray failure
3 Main PCB failure
■ Error code 3701
Print Unable 37
Turn the power off and then back on again.
Serial communication error occurred between RIP CPU when PC printing, internal printing,
and storage printing etc. was performed.
Error code 3702
Print Unable 37
Turn the power off and then back on again.
Serial communication error occurred between RIP CPU when RIP CPU is activated.
Error code 3703
Print Unable 37
Turn the power off and then back on again.
Serial communication between RIP CPU occurred after watch dog timer time out occurred.
Step
1 Main firmware is old
2 Main PCB failure
Cause
Cause
2-63
Remedy
Remove foreign object in the paper eject
ASSY.
Replace the optional output tray.
Replace the main PCB ASSY.
Remedy
Update the main firmware.
Replace the main PCB ASSY.
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