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Brother MFC-9840CDW Service Manual

Brother MFC-9840CDW
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Confidential
3-4
Location of screw Screw type Q'ty
Tightening torque
N m (kgf • cm)
Taptite, cup S M3x8 SR 1 0.70 ±0.1 (7 ±1) ADF front cover 1
Taptite, cup B M3x10 1 0.50 ±0.1 (5 ±1)
ADF back cover Taptite, cup B M3x10 1 0.50 ±0.1 (5 ±1)
FG harness ADF Taptite, cup S M3x8 SR 1 0.70 ±0.1 (7 ±1)
ADF chute ASSY Taptite, cup B M3x10 4 0.70 ±0.1 (7 ±1)
SB chute ASSY Taptite, cup S M3x8 SR 2 0.70 ±0.1 (7 ±1)
Exit chute cover ASSY Taptite, cup B M3x10 4 0.50 ±0.1 (5 ±1)
ADF motor
Screw pan (S/P washer)
M3x6
2 0.70 ±0.1 (7 ±1)
Motor frame ASSY DX Taptite, cup S M3x8 SR 3 0.70 ±0.1 (7 ±1)
S/B solenoid ASSY Taptite, cup S M3x8 SR 1 0.70 ±0.1 (7 ±1)
PF solenoid ASSY Taptite, cup S M3x8 SR 1 0.70 ±0.1 (7 ±1)
ADF relay PCB ASSY Taptite, cup S M3x8 SR 1 0.70 ±0.1 (7 ±1)
Paper feed plate Taptite, cup S M3x8 SR 2 0.70 ±0.1 (7 ±1)
Paper feed chute ASSY Taptite, cup S M3x8 SR 2 0.70 ±0.1 (7 ±1)
Spring plate ADF front ASSY Taptite screw B M3x6 1 0.40 ±0.05 (4 ±0.5)
Drive frame sub ASSY Taptite, cup B M3x10 3 0.50 ±0.1 (5 ±1)
Front frame Taptite, cup B M3x10 3 0.50 ±0.1 (5 ±1)
Upper main chute ASSY Taptite, cup B M3x10 4 0.50 ±0.1 (5 ±1)
Dressing cover ADF 2 Taptite, cup B M3x10 1 0.50 ±0.1 (5 ±1)
ADF front cover 2 Taptite, cup B M3x10 1 0.50 ±0.1 (5 ±1)
Handle cover Taptite, cup B M3x10 2 0.50 ±0.1 (5 ±1)
Panel unit Taptite, cup B M3x10 4 0.50 ±0.1 (5 ±1)
Dressing cover FB FL Taptite, cup B M4x12 3 0.80 ±0.1 (8 ±1)
Dressing cover FB FR Taptite, cup B M4x12 3 0.80 ±0.1 (8 ±1)
Dressing cover FB top Taptite, cup B M4x12 2 0.80 ±0.1 (8 ±1)
Scanner top cover ASSY Taptite, cup B M4x12 6 0.80 ±0.1 (8 ±1)
Lock lever ASSY Taptite screw B M3x6 2 0.40 ±0.05 (4 ±0.5)
FFC plate Taptite, cup B M3x8 1 0.50 ±0.1 (5 ±1)
FG harness FB Taptite, cup S M3x6 1 0.80 ±0.1 (8 ±1)
Drive plate ASSY Taptite, pan B M3x8 4 0.50 ±0.1 (5 ±1)
Scanner motor Screw pan (S/P washer)
M3x6
2 0.70 ±0.1 (7 ±1)
Pulley ASSY Taptite, pan B M3x6 2 0.40 ±0.05 (4 ±0.5)
Taptite, cup B M3x8 1 0.50 ±0.1 (5 ±1) Dressing cover FB base L
Taptite, cup B M4x12 2 0.80 ±0.1 (8 ±1)
Dressing cover FB base R Taptite, cup B M4x12 3 0.80 ±0.1 (8 ±1)
FG harness NCU Screw pan (S/P washer)
M3.5x6
1 0.40 ±0.05 (4 ±0.5)
NCU cover Taptite, bind B M4x12 4 0.80 ±0.1 (8 ±1)
FG harness NCU Screw pan (S/P washer)
M3.5x6
1 0.40 ±0.05 (4 ±0.5)
NCU unit Taptite, bind B M4x12 2 0.80 ±0.1 (8 ±1)
NCU shield plate Screw pan (S/P washer)
M3.5x6
1 0.40 ±0.05 (4 ±0.5)
NCU PCB ASSY Taptite, cup S M3x6 2 0.60 ±0.1 (6 ±1)
Pull arm guide L/ R Taptite, bind B M4x12 2 0.80 ±0.1 (8 ±1)
Taptite, cup S M3x8 5 0.80 ±0.1 (8 ±1)
Taptite, bind B M4x12 2 0.80 ±0.1 (8 ±1)
Joint cover ASSY
Taptite, cup S M4x8 6 1.20 ±0.1 (12 ±1)

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Brother MFC-9840CDW Specifications

General IconGeneral
Print technologyLaser
Maximum resolution600 x 2400 DPI
Economical printingYes
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 toE-mail, FTP, OCR, USB
Scanner typeFlatbed scanner
Grayscale levels256
Input color depth48 bit
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution1200 x 2400 DPI
Copier resize25 - 400 %
Maximum copy resolution1200 x 600 DPI
N-in-1 copy function (N=)4, 9, 16, 25
Copy speed (black, normal quality, A4)16 cpm
FaxingMono faxing
Fax memory400 pages
Modem speed33.6 Kbit/s
Fax speed dialing (max numbers)300
Total input capacity250 sheets
Total output capacity150 sheets
Multi-Purpose tray input capacity50 sheets
Auto document feeder (ADF) input capacity35 sheets
Internal memory128 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 features10/100Base-TX
Wireless technologyIEEE 802.11b/g
All-in-one functionsCopy, Fax, Scan
Maximum internal memory0.640 GB
Color all-in-one functionscopy, print, scan
Media weight (tray 1)60 - 105g/m2
Paper tray media typesBond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizesExecutive (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 sizeA4
Multi-Purpose Tray media weight60 - 163 g/m²
Security algorithmsLEAP
Supported network protocols (IPv4)TCP/IP (IPv4 & IPv6)
Standard interfacesUSB 2.0
USB 2.0 ports quantity1
Bundled softwareScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)36 W
Power consumption (average operating)515, 100 W
Package weight45800 g
Digital senderNo
Maximum duty cycle3000 pages per month
Market positioningBusiness

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