Brother DCP-L5600DN Service Manual

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Confidential
4.8 Troubleshooting for Fuser Unit Problems
4.8.1 Fuser unit failure
4.9 Troubleshooting for Laser Unit Problems
4.9.1 Laser unit failure
Step Cause Remedy
1
Connection failure of the center
thermistor harness
Reconnect the center thermistor harness.
2
Connection failure of the side
thermistor harness
Reconnect the side thermistor harness.
3
Connection failure of the heater
harness
Reconnect the heater harness.
4
Connection failure of the eject
sensor harness
Reconnect the eject sensor harness.
5 Eject sensor PCB failure Replace the eject sensor PCB ASSY.
6
Low-voltage power supply PCB
failure
Replace the low-voltage power supply PCB
ASSY.
7 Fuser unit failure Replace the fuser unit.
8 Main PCB failure Replace the main PCB ASSY.
Note:
• Turn the power switch OFF and then ON again. Leave the machine for 15 minutes.
This problem may then be cleared.
• The machine may recover from the error, when the test printing of the maintenance
mode for service personnel is started. However, conducting this operation while the
heater has not yet cooled may cause the fuser unit to melt. Be careful.
<User Check>
• Turn ON the power switch, then open the front cover and the back cover. Leave the
machine for a while to remove condensation.
Step Cause Remedy
1
Ground plate contact failure Retighten the screws to secure the laser unit
ground plate.
2 Laser unit attachment failure Reattach the laser unit.
3
Connection failure of the laser unit
flat cable
Reconnect the laser unit flat cable.
4 Laser unit failure Replace the laser unit.
5 Main PCB failure Replace the main PCB ASSY.

Brother DCP-L5600DN Specifications

General

Type	all in one
Color	black/gray, multi
Touch Screen	yes
Display Size	3.7 inches
Tray Capacity	50
Output Tray Capacity	150 sheets
Automatic Document Feeder Capacity	70 sheets
Paper Size	ansi a, legal, executive, a4, a5, a6, folio
Paper Handling	letter, legal, executive, a4, a5, a6, envelopes, custom sizes (3.0-8.5" (w), 5.0-14" (l))
Paper Weight	60 grams per square meter
Printing Method	monochromatic
Color Print Speed	0 pages per minute
Mono Print Speed	42 pages per minute
First Page Print Time	7 seconds
Print Resolution Mono	up to 1200 x 1200
Two-Sided Printing	yes
Maximum Number of Pages Per Month	up to 50, 000
Reduction and Enlargement	no
Photo Printing	no
Scanner Type	flatbed
Scan Resolution	up to 1200 x 1200
Duplex Scan	yes
Max Copies	99
Copier Resolution Mono	up to 1200 x 600
Fax Function	no
Cartridges	brother tn820, brother tn850
Number Of Cartridges	1
Internal Memory	yes
Memory Card	no
Network	wired
Connectivity	usb 2.0, ethernet
Mobile Devices Connection	no

Weight and Dimensions

Depth	16.8 inches
Height	16.8 inches
Width	19.5 inches
Net Weight	37.7 pounds