Brother MFC-L8850CDW Service Manual

5-9
Confidential
1.3.4 Monochrome image quality test pattern (Function code 09)
<Function>
This function is used to print various monochrome test patterns and check the quality and if
there is any image loss.
<Operating procedure>
(1) Press the 0 and 9 keys in this order in the initial state of the maintenance mode.
“MAINTENANCE 09” is displayed on the LCD. Printing of a monochrome image quality
test pattern (see the figure below) is started.
(2) When printing is finished, the machine returns to the initial state of the maintenance
mode.
Fig. 5-2

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