Brother MFC-9840CDW Service Manual

Confidential
3-181
8.53 Charge HVPS PCB ASSY
(1) Remove the cup S M3x6 Taptite screw and two bind B M4x12 Taptite screws, and then
release the four Hooks to remove the Charge HVPS PCB ASSY from the Frame unit.
Fig. 3-265
*1
Tightening Note:
When tightening the screw, slowly turn it counterclockwise (in the direction to loosen the
screw) with your hand until you feel that the screw is a little dropped in the hole. Then,
slightly turn it clockwise (in the direction to tighten the screw) with your hand and tighten it
according to the specified torque with a screwdriver.
(2) Disconnect the eight connectors and flat cable from the Charge HVPS PCB ASSY.
Note:
- When disconnecting the connectors, they may be damaged if pulling the Charge HVPS
PCB ASSY by force.
- After disconnecting the flat cable(s), check that each cable is not damaged at its end or
short-circuited.
- When connecting the flat cable(s), do not insert it at an angle. After insertion, check that
the cable is not at an angle.
CN1
CN3
CN9
CN5
CN6 CN7
CN2
CN8
CN4
Fig. 3-266
Charge HVPS PCB ASSY
Hooks
Charge HVPS PCB ASSY
Taptite, bind B M4x12
(Tightening torque: 1.20
±0.1 N m) *1
Taptite, cup S M3x6
Taptite, bind B M4x12
(Tightening torque: 1.20 ±0.1 N m) *1
Positioning pin
Hook
Frame unit
<Right side>

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