Brother MFC-8220 Service Manual

MFC-8220
SERVICE MANUAL
7-15
3.9 Sensor Operational Check (Maintenance mode 32)
< Function >
This function allows you to check whether the 14 sensors--document front sensor,
document rear sensor, cover sensor, hook sensor, toner sensor, regist front sensor, regist
rear sensor, cassette sensor, tray 1 paper sensor, tray 2 paper sensor, 2nd cassette
sensor*, 2nd regist sensor*, fixing sensor and paper eject sensor --operate correctly.
(* These sensors are provided for models supporting a 2nd paper tray.)
< Operating Procedure >
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode. The
machine beeps 1100 Hz and 400 Hz tones cyclically through the following volumes for
testing the speaker. To stop beeping, press the Menu button.
OFF
400 Hz
Low Medium High
1100 Hz
High Medium Low
OFF
Fig.7-10
If the sensing status are as listed below, the LCD will show the following:
"DFDRCVHK" and "TNMNRSCSP1P2C2R2" "PU PO" (which can be switched by
pressing the Start button for machines.)
Given below is the relationship between the LCD indication, sensor names and sensor
status.
LCD Sensors Sensing status
DF Document front sensor No document detected.
DR Document rear sensor No document detected.
CV Cover sensor Front cover closed.
HK Hook sensor Off-hook
TN Toner sensor Toner detected.
MN Manual feed sensor
(Regist front sensor)
No paper detected.
RS Regist rear sensor No paper detected.
CS Cassette sensor No paper tray loaded.
P1 Tray 1 paper sensor Paper detected.
P2 Tray 2 paper sensor Paper detected.
C2 2nd cassette sensor* No paper tray loaded.
R2 2nd regist sensor* No paper detected.
FU Fixing sensor No paper detected.
PO Paper eject sensor No paper jam.
(* These error indications will always be displayed in models not equipped with a 2nd paper
tray.)

Brother MFC-8220 Specifications

General

Type	all in one
Tray Capacity	250
Automatic Document Feeder Capacity	30 sheets
Paper Size	letter, legal, a4, b5, a5, b6, a6, exe
Paper Handling	up to 250 sheets
Mono Print Speed	21 pages per minute
Print Resolution Mono	up to 2400 x 600
Maximum Number of Pages Per Month	up to 20, 000
Scanner Type	sheetfed
Scan Resolution	up to 300 x 600
Copier Resolution Mono	up to 600
Fax Function	yes
Cartridges	n/a
Number Of Cartridges	2
Internal Memory	yes
Network	not applicable
Connectivity	parallel, usb 2.0
OS Compatibility	pc: windows 95, 98, 98se, me, nt workstation 4.0, 2000 professional or xp, mac: os 8.6 to 9.2, os x 10.1, 10.2.1 to 10.3 or later, available usb 2.0 or parallel port
Mobile Devices Connection	no

Weight and Dimensions

Height	13.2 inches
Width	17 inches
Net Weight	25.6 pounds