Brother MFC-L8850CDW Service Manual

2-69
Confidential
■ Error code 9303
When paper was fed from the T2 paper tray unit, the T2 paper feed sensor detected that no
paper was in the T2 paper tray unit.
< User Check >
- Load paper to the paper tray.
■ Error code 9306
For printing specifying Auto, it was detected that no paper was loaded in any of the paper trays.
< User Check >
- Load paper to any tray.
No Paper
Reload paper in Tray 2.
Step Cause Remedy
1 T2 paper feed actuator caught on
some position
Re-assemble the T2 paper feed actuator.
2 Connection failure of the T2
paper feed sensor PCB harness
Reconnect the T2 paper feed sensor PCB
harness.
3 Connection failure of the T2 relay
PCB harness
Reconnect the T2 relay PCB harness.
4 T2 relay PCB failure Replace the T2 relay PCB ASSY.
5 T2 connector failure Replace the T2 paper tray unit.
6 Main PCB failure Replace the main PCB ASSY.
No Paper
Reload paper in Tray.
Step Cause Remedy
1 MP paper empty actuator caught
on some position
Re-assemble the MP paper empty
actuator.
2 T1 paper feed actuator caught on
some position
Re-assemble the T1 paper feed actuator.
3 T2 paper feed actuator caught on
some position
Re-assemble the T2 paper feed actuator.
4 Connection failure of the MP
paper empty/registration front
sensor PCB harness
Reconnect the MP paper empty/
registration front sensor PCB harness.
5 Connection failure of the T1
paper feed sensor PCB harness
Reconnect the T1 paper feed sensor PCB
harness.
6 Connection failure of the T2
paper feed sensor PCB harness
Reconnect the T2 paper feed sensor PCB
harness.
7 MP paper empty sensor failure Replace the MP paper empty/registration
front sensor PCB ASSY.
8 T1 paper feed sensor failure Replace the T1 paper feed sensor PCB
ASSY.
9 T2 connector failure Replace the T2 paper tray unit.
10 Main PCB failure Replace the main PCB ASSY.

Brother MFC-L8850CDW Specifications

General

Type	all in one
Color	white
Tray Capacity	300
Automatic Document Feeder Capacity	50 sheets
Paper Size	8.5"x14"
Paper Handling	up to 300 sheets
Color Print Speed	32 pages per minute
Mono Print Speed	32 pages per minute
Print Resolution Color	up to 2400 x 600
Maximum Number of Pages Per Month	unknown
Scanner Type	flatbed
Scan Resolution	up to 2400 x 1200
Copier Resolution Mono	up to 600 x 600
Copier Resolution Color	up to 600 x 600
Cartridges	tn331bk, tn331c, tn331m, tn331y
Number Of Cartridges	4
Internal Memory	yes
Memory Card	no
Network	wired, wireless
Connectivity	usb, google cloud print
OS Compatibility	windows, mac os, linux
Mobile Devices Connection	yes

Weight and Dimensions

Height	19.3 inches
Width	20.7 inches
Net Weight	67.4 pounds