Brother MFC-9840CDW Service Manual

Confidential
5-15
1.4.11 Operational Check of Sensors (Function code 32)
<Function>
This function allows you to check each of the sensors.
<Operating Procedure>
(1) Press the 3 and 2 buttons in this order in the initial stage of the maintenance mode. The
machine beeps 1100 Hz and 400 Hz tones cycling through the following volumes for
testing the speaker. To stop beeping, press the OK button.
Fig. 5-7
If the sensing status are as listed below, the LCD will show “C1P1R1C2P2R2L2T2” when
LT is installed. “C1P1R1
**********”
appears on the LCD when LT is not installed. The LCD
indication moves to the next term by pressing the Black Start button.
Given below is the relationship between the LCD indication, sensor name and sensor
status.
LCD Sensors Sensing status (ON/OFF)
C1
P1
R1
C2
P2
R2
L2
T2
T1 sensor
T1 PE sensor
T1 edge sensor
LT sensor
LT PE sensor
LT edge sensor
LT plate-up detection sensor
LT connector
Paper tray installed / not installed
Paper detected / not detected
Paper not detected / detected
Paper tray installed / not installed
Paper detected / not detected
Paper not detected / detected
Plate-up detected / not detected
LT connected / not connected
MR
MP
CV
RC
RM
RA
PO
MP registration front sensor
MP PE sensor
Front cover
Back cover
T1 registration front sensor
Registration rear sensor
Paper eject sensor
Paper detected / not detected
Paper detected / not detected
Front cover closed / open
Back cover closed / open
Paper not detected / detected
Paper not detected / detected
Paper not detected / detected
NK
NY
NM
NC
KC
YC
MC
CC
Toner sensor K (NEW)
Toner sensor Y (NEW)
Toner sensor M (NEW)
Toner sensor C (NEW)
Toner sensor K (TE)
Toner sensor Y (TE)
Toner sensor M (TE)
Toner sensor C (TE)
Toner cartridge (K) used / new
Toner cartridge (Y) used / new
Toner cartridge (M) used / new
Toner cartridge (C) used / new
Toner (K) detected / not detected
Toner (Y) detected / not detected
Toner (M) detected / not detected
Toner (C) detected / not detected
Note:
The machine makes a sound when operating the toner sensor K (NEW) and toner sensor
Y (NEW) while the cover is opened.

Brother MFC-9840CDW Specifications

General

Print technology	Laser
Maximum resolution	600 x 2400 DPI
Economical printing	Yes
Time to first page (black, normal)	16 s
Time to first page (color, normal)	17 s
Print speed (black, normal quality, A4/US Letter)	20 ppm
Scan to	E-mail, FTP, OCR, USB
Scanner type	Flatbed scanner
Grayscale levels	256
Input color depth	48 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	4, 9, 16, 25
Copy speed (black, normal quality, A4)	16 cpm
Faxing	Mono faxing
Fax memory	400 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	35 sheets
Internal memory	128 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	54.5 dB
Custom media sizes	(69.9 - 216mm) - (116 - 406.4mm)
Dimensions (WxDxH)	530 x 539 x 520 mm
Networking features	10/100Base-TX
Wireless technology	IEEE 802.11b/g
All-in-one functions	Copy, Fax, Scan
Maximum internal memory	0.640 GB
Color all-in-one functions	copy, print, scan
Media weight (tray 1)	60 - 105g/m2
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Security algorithms	LEAP
Supported network protocols (IPv4)	TCP/IP (IPv4 & IPv6)
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Bundled software	ScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)	36 W
Power consumption (average operating)	515, 100 W
Package weight	45800 g
Digital sender	No
Maximum duty cycle	3000 pages per month
Market positioning	Business