Brother MFC-L8850CDW Service Manual

5-18
Confidential
1.3.10 Operational check of sensors (Function code 32)
<Function>
This function is used to check that the sensors are operating normally.
<Operating procedure>
(1) Press the 3 and 2 keys in this order in the initial state of the maintenance mode.
“C1C2MPCVRCPO****” is displayed on the LCD.
When the T2 paper tray unit is not installed, “C1**MPCVRCPO****” is displayed, and the
machine beeps 400Hz OFF, 400Hz small, 400Hz middle, 400Hz large, 1,100Hz OFF,
1,100Hz small, 1,100Hz middle, and 1,100Hz large tones cyclically to test the speaker.
(2) Pressing the Mono Start key displays the next group.
The table below summarizes the displays on the LCD, sensor names and detection status.
Note:
To stop beeping, press the SET key.
LCD Sensor names Detection status (displayed/not displayed)
C1 T1 paper feed sensor Paper tray 1 installed/not installed
C2 T2 paper feed sensor T2 paper tray unit installed/not installed
MP MP paper empty sensor MP tray paper not detected/detected
CV Front cover sensor Front cover closed/open
RC Back cover sensor Back cover closed/open
PO Eject sensor Paper not detected/detected
L2 T2 plate origin sensor Plate down of T2 paper tray unit/
Plate up of T2 paper tray unit
T2 T2 connect sensor T2 paper tray unit connected/not connected
MR MP registration front sensor Paper not detected/detected
RM Registration front sensor Paper not detected/detected
RA Registration rear sensor Paper not detected/detected
FW Waste toner sensor Waste toner detected/not detected
NK New toner sensor (Black) OFF/ON
NC New toner sensor (Cyan) OFF/ON
NM New toner sensor (Magenta) OFF/ON
NY New toner sensor (Yellow) OFF/ON
KC Toner sensor (Black) Toner detected/not detected
CC Toner sensor (Cyan) Toner detected/not detected
MC Toner sensor (Magenta) Toner detected/not detected
YC Toner sensor (Yellow) Toner detected/not detected

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