Brother DCP-L5652DN Service Manual

2-111
Confidential
4.7 Troubleshooting for Toner and Drum Problems
4.7.1 New toner is not detected
4.7.2 Toner cartridge cannot be recognized
4.7.3 Error message prompting toner cartridge replacement does not disappear
<User Check>
• Check that the packaged toner cartridge is not set.
• Check that a new (not used) toner cartridge is set.
• Check that the genuine toner cartridge is set.
Step Cause Remedy
1 New toner actuator coming off Reattach the new toner actuator.
2
Connection failure of the relay front
harness
Reconnect the relay front harness.
3 Relay front PCB failure Replace the relay front PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Set the toner cartridge correctly.
• Replace the toner cartridge with a new one.
Step Cause Remedy
1
Toner amount detection sensor
PCB (light reception) failure
Replace the toner amount detection sensor
PCB ASSY (light reception).
2 Relay front PCB failure Replace the relay front PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Check that a new (not used) toner cartridge is set.
• Check that the genuine toner cartridge is set.
Step Cause Remedy
1 New toner actuator coming off Reattach the new toner actuator.
2
Connection failure of the relay front
harness
Reconnect the relay front harness.
3 Relay front PCB failure Replace the relay front PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.

Brother DCP-L5652DN Specifications

General

Printer Type	Laser
Functions	Print, Copy, Scan
Automatic Duplex Printing	Yes
ADF Capacity	50 sheets
Memory	256 MB
Processor	800 MHz
Monthly Duty Cycle	Up to 50, 000 pages
Print Speed	42 ppm
Print Resolution	1200 x 1200 dpi
Paper Input Capacity	250 sheets
Scanner Resolution	Up to 1200 x 1200 dpi
Connectivity	USB, Ethernet
Mobile Printing	Brother iPrint&Scan, Google Cloud Print, AirPrint, Mopria
Toner Yield	Standard: 3, 000 pages, High Yield: 8, 000 pages