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Since 2007 ... We stand behind our Non-OEM products, manufactured under ISO 9001 certifications. 100% satisfaction or you may return your purchase to us within 6 months of purchase for a replacement or exchange, free of charge. OEM Products come with a manufacturer warranty only.
 
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84 Products for the Brother MFC-8420 MultiFunction Center
You Are Here: >  Top >  Brother >  MFC - All-in-One >  MFC-8420

BROTHER MFC-8420 DRUM

Brother MFC-8420 All In One Machine Drum - 20000Pages
  OVER 100
IN STOCK NOW

Price:  $28.89
Product Description
Brother MFC-8420 All In One Machine Drum - 20000Pages

This Drum is good for printing 20000 pages, on average. Average page coverage is 5% of toner per page (compared to white space on the paper), which is the standard Brother specification for this drum, and a standard measuring term for the consumer printing industry.


This product comes with a 6 month Warranty against any defects (including free replacement). We stand behind our products 100%, as these are not manufactured by Brother.

What's the difference between a drum and a toner cartridge? A toner cartridge is just that: a cartridge that contains toner. The drum does all the work.


Product Manuals
When do I Replace a Drum Unit in the Brother MFC-8420 Multifunction Center?
The Brother MFC-8420 Multifunction Center can print up to 20,000 pages with one drum unit. You can check the drum counter by selecting [2. Fax] – [0. Miscellaneous] – [2. Drum Life]. The installed drum unit must be replaced when the message [Change Drum Soon] appears, or if any of the listed print quality problems cannot be solved by cleaning the primary corona wire (Please refer to ‘’How to Install a Toner Cartridge in the Brother MFC-8420 Multifunction Center’’).

Gray background
Ghost; Residual image;
Toner specks
Solid black printouts
Black and/or white spots appearing at intervals of 3.7inches
White vertical lines
How to Install a Drum Unit in the Brother MFC-8420 Multifunction Center
In the initial step of the replacement procedure, you must open the front cover of your Brother MFC-8420 Multifunction Center, and then pull the drum unit and toner cartridge assembly towards you to remove it. After that, you must remove the toner cartridge from the exhausted drum unit by pulling it towards you while pressing the release lever on the right, and then unpack the new drum unit. Now, you must install the toner cartridge into the new drum unit, and then insert the drum unit and toner cartridge assembly into the multifunction center. In the next step of the replacement procedure, you must press the [Clear/Back] button, and then press [1] to reset the drum counter. Finally, you must close the front cover of the main unit.
BROTHER MFC-8420 DRUM & 2 TONER COMBO
Brother MFC-8420 Drum and (2) Toner Cartridges Combo
  OVER 100
IN STOCK NOW

Price:  $67.89
BROTHER MFC-8420 DRUM
Brother MFC-8420 Drum Unit (OEM) made by Brother - Prints 20000 Pages
Brother 10 IN STOCK NOW

Price:  $136.89
BROTHER MFC-8420 TONER CARTRIDGE
Brother MFC-8420 Toner Cartridge (Extra Capacity - 6500 Pages)
  OVER 100
IN STOCK NOW

Price:  $20.89
BROTHER MFC-8420 TONER CARTRIDGE
Brother MFC-8420 Toner Cartridge (OEM) made by Brother - 6500 Pages
Brother OVER 50
IN STOCK NOW

Price:  $106.89
MFC-8420 FUSER ASSEMBLY UNIT
Brother MFC-8420 Fuser Assembly Unit (OEM)
Brother

Price:  $109.89
BROTHER MFC-8420 PAPER CASSETTE
Brother MFC-8420 Paper Cassette Unit (OEM)
Brother

Price:  $30.89
MFC-8420 FRONT CHUTE GUIDE ASSEMBLY
Brother MFC-8420 Front Chute Guide Assembly (OEM)
Brother

Price:  $18.89
MFC-8420 LT SENSOR PCB ASSEMBLY
Brother MFC-8420 LT Sensor PCB Assembly (OEM)
Brother

Price:  $14.89
MFC-8420 ENGINE PCB ASSEMBLY
Brother MFC-8420 Engine PCB Assembly (OEM)
Brother

Price:  $41.89
MFC-8420 TONER LED PCB UNIT ASSEMBLY
Brother MFC-8420 Toner LED PCB Unit Assembly (OEM)
Brother

Price:  $13.89
MFC-8420 SEPARATION CLAW ASSEMBLY
Brother MFC-8420 Pick Off Finger Assembly C (OEM)
Brother

Price:  $13.89
MFC-8420 MP SOLENOID HOLDER UNIT
Brother MFC-8420 MP Solenoid Holder Unit (OEM)
Brother

Price:  $10.89
MFC-8420 GROUND WIRE
Brother MFC-8420 Ground Wire (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
MFC-8420 IDLE GEAR
Brother MFC-8420 Idle Gear (OEM) 22 Teeth
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $0.89
MFC-8420 MIDDLE ROLLER GEAR
Brother MFC-8420 Middle Roller Gear (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $2.89
MFC-8420 EXTENSION SPRING
Brother MFC-8420 Extension Spring (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
MFC-8420 GROUND SPRING
Brother MFC-8420 Ground Spring (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
MFC-8420 OUTER CHUTE
Brother MFC-8420 Outer Chute (OEM)
Brother

Price:  $6.89
MFC-8420 PRESSURE ROLLER
Brother MFC-8420 Pressure Roller 25 (OEM)
Brother

Price:  $40.89
MFC-8420 CLEANER PINCH ROLLER ASSEMBLY
Brother MFC-8420 Cleaner Pinch Roller L (OEM)
Brother

Price:  $4.89
BROTHER MFC-8420 FEED ROLLER
Brother MFC-8420 Cleaner Pinch Roller S (OEM)
Brother 22 IN STOCK NOW

Price:  $5.89
MFC-8420 HALOGEN LAMP
Brother MFC-8420 Halogen Lamp (OEM) 115V
Brother

Price:  $15.89
MFC-8420 HEAT ROLLER
Brother MFC-8420 Heat Roller 25 (OEM)
Brother

Price:  $28.89
BROTHER MFC-8420 P/R SOLENOID ASSEMBLY
Brother MFC-8420 P/R Solenoid Assembly (OEM)
Brother

Price:  $22.89
MFC-8420 MAIN MOTOR ASSEMBLY
Brother MFC-8420 Main Motor Assembly (OEM)
Brother

Price:  $38.89
BROTHER MFC-8420 DEVELOPER JOINT
Brother MFC-8420 Developer Joint (OEM)
Brother 10 IN STOCK NOW

Price:  $6.89
MFC-8420 JOINT SPRING
Brother MFC-8420 Joint Spring (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $2.89
MFC-8420 FRONT CHUTE
Brother MFC-8420 Front Chute (OEM)
Brother

Price:  $8.89
MFC-8420 REGISTRATION REAR ACTUATOR
Brother MFC-8420 Registration Rear Actuator (OEM)
Brother

Price:  $2.89
MFC-8420 REGISTRATION FRONT ACTUATOR
Brother MFC-8420 Registration Front Actuator (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $2.89
MFC-8420 SEPARATION PAD SPRING
Brother MFC-8420 Separation Pad Spring (OEM)
Brother

Price:  $2.89
MFC-8420 PAPER EJECT ACTUATOR
Brother MFC-8420 Paper Eject Actuator (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $6.89
MFC-8420 DRIVE UNIT GEAR
Brother MFC-8420 Drive Unit Gear (OEM) 20 Teeth
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $2.89
MFC-8420 TRAY ASSEMBLY
Brother MFC-8420 Tray Assembly (OEM) - 250 Sheets
Brother

Price:  $171.89
MFC-8420 BATTERY
Brother MFC-8420 Battery (OEM)
Brother

Price:  $17.89
MFC-8420 HIGH VOLTAGE POWER SUPPLY
Brother MFC-8420 High Voltage Power Supply (OEM)
Brother

Price:  $55.89
MFC-8420 FPC PAD
Brother MFC-8420 FPC Pad (OEM)
Brother

Price:  $15.89
MFC-8420 DRIVER PCB ASSEMBLY
Brother MFC-8420 Driver PCB Assembly (OEM)
Brother

Price:  $13.89
BROTHER MFC-8420 SEPARATION PAD
Brother MFC-8420 Separation Pad (OEM)
Brother

Price:  $9.89
MFC-8420 FEED ROLLER
Brother MFC-8420 Document Feed Roller Assembly (OEM)
Brother

Price:  $31.89
MFC-8420 HINGE
Brother MFC-8420 Right ADF Hinge Base (OEM)
Brother

Price:  $2.89
MFC-8420 COVER ASSEMBLY
Brother MFC-8420 Front Cover Assembly (OEM)
Brother

Price:  $13.89
MFC-8420 GEAR
Brother MFC-8420 40/54T Gear (OEM)
Brother

Price:  $1.89
BROTHER MFC-8420 ADF SEPARATION PAD
Brother MFC-8420 ADF Separation Pad (OEM) Rubber Only
Brother

Price:  $11.89
MFC-8420 ADF PRESSURE ROLLER
Brother MFC-8420 ADF Pressure Roller (OEM)
Brother

Price:  $0.89
MFC-8420 PAPER FEEDER KIT
Brother MFC-8420 Paper Feeding Kit (OEM)
Brother

Price:  $16.89
MFC-8420 CONTROL PANEL UNIT
Brother MFC-8420 Control Panel Unit (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $109.89
MFC-8420 DOCUMENT COVER SENSOR
Brother MFC-8420 Document Cover Sensor (OEM)
Brother

Price:  $7.89
MFC-8420 PANEL PCB ASSEMBLY
Brother MFC-8420 Panel PCB Assembly (OEM)
Brother

Price:  $57.89
BROTHER MFC-8420 UPPER FUSER ROLLER BEARING
Brother MFC-8420 Upper Fuser Roller Bearing (OEM)
Brother

Price:  $5.89
BROTHER MFC-8420 UPPER FUSER ROLLER GEAR
Brother MFC-8420 Upper Fuser Roller Gear (OEM)
Brother

Price:  $4.89
MFC-8420 ADF MOTOR
Brother MFC-8420 ADF Motor (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $29.89
BROTHER MFC-8420 PICKUP ROLLER
Brother MFC-8420 Cassette Paper Pickup Roller (OEM)
Brother

Price:  $10.89
MFC-8420 FRONT TRAY CHUTE GUIDE ASSEMBLY
Brother MFC-8420 Front Tray Chute Guide Assembly (OEM)
Brother

Price:  $11.89
MFC-8420 FEED ROLLER ASSEMBLY
Brother MFC-8420 #2 Line Feed Roller Assembly (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $8.89
MFC-8420 FEED ROLLER ASSEMBLY
Brother MFC-8420 #1 Feed Roller Assembly (OEM)
Brother

Price:  $7.89
MFC-8420 BEARING
Brother MFC-8420 Left Side Bearing (OEM)
Brother

Price:  $2.89
MFC-8420 BEARING
Brother MFC-8420 Right Side Bearing (OEM)
Brother

Price:  $2.89
MFC-8420 CA ACTUATOR
Brother MFC-8420 Cassette Sensor Actuator (OEM)
Brother

Price:  $3.89
MFC-8420 THERMISTOR ASSEMBLY
Brother MFC-8420 Thermistor Assembly (OEM)
Brother

Price:  $14.89
MFC-8420 MP UNIT ASSEMBLY
Brother MFC-8420 MP Unit Assembly (OEM)
Brother

Price:  $49.89
MFC-8420 CASSETTE SENSOR PCB ASSEMBLY
Brother MFC-8420 Cassette Sensor PCB Assembly (OEM)
Brother

Price:  $8.89
MFC-8420 GEAR
Brother MFC-8420 Idler Gear (OEM)
Brother

Price:  $0.89
MFC-8420 ACTUATOR
Brother MFC-8420 Paper Empty Actuator (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $3.89
MFC-8420 CCD HOME POSITION SENSOR
Brother MFC-8420 CCD Home Position Sensor (OEM)
Brother

Price:  $4.89
MFC-8420 EJECT SENSOR PCB ASSEMBLY
Brother MFC-8420 Eject Sensor PCB Assembly (OEM)
Brother

Price:  $11.89
MFC-8420 PRINT/FAX SERVER
Brother MFC-8420 Print/Fax Server (OEM)
Brother

Price:  $193.89
MFC-8420 SPRING PLATE ADF ASSEMBLY
Brother MFC-8420 Spring Plate ADF Assembly (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $9.89
MFC-8420 COMPRESSION SPRING
Brother MFC-8420 Compression Spring (OME)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $4.89
MFC-8420 ADF MYLAR FILM
Brother MFC-8420 ADF Mylar Film (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $4.89
MFC-8420 RUBBER HOLDER
Brother MFC-8420 Rubber Holder A (OEM)
Brother

Price:  $4.89
MFC-8420 RIGHT ADF HINGE ARM
Brother MFC-8420 Right ADF Hinge Arm (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $2.89
MFC-8420 LCD ASSEMBLY
Brother MFC-8420 LCD Assembly (OEM)
Brother

Price:  $25.89
MFC-8420 BELT
Brother MFC-8420 Belt (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $22.89
MFC-8420 EJECTION ROLLER ASSEMBLY
Brother MFC-8420 Ejection Roller Assembly (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $11.89
MFC-8420 ADF FRONT SENSOR ACTUATOR
Brother MFC-8420 ADF Front Sensor Actuator (OEM)
Brother SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $3.89
MFC-8420 ADF DOCUMENT HOLDER ASSEMBLY
Brother MFC-8420 ADF Document Holder Assembly (OEM)
Brother

Price:  $9.89
MFC-8420 CCD MODULE
Brother MFC-8420 CCD Module (OEM)
Brother

Price:  $226.89
MFC-8420 ROLLER COLLAR
Brother MFC-8420 Roller Collar (OEM)
Brother

Price:  $4.89
MFC-8420 ADF COVER
Brother MFC-8420 ADF Cover (OEM)
Brother

Price:  $16.89
MFC-8420 OUTER CHUTE TRAY
Brother MFC-8420 Outer Chute Tray (OEM)
Brother

Price:  $1.89
MFC-8420 PAPER TRAY FRONT COVER
Brother MFC-8420 Paper Tray Front Cover (OEM) LT
Brother

Price:  $7.89
MFC-8420 MP TRAY REAR COVER
Brother MFC-8420 MP Tray Rear Cover (OEM)
Brother

Price:  $1.89

About My Brother MFC-8420 Multifunction Printer

Pages Per Minute
Cost of Consumables
Printer Resolution
Based Off 34 Similar Printers


Brother MFC-8420 Review


Overview:

This all but obsolete model from brother was, in its day, one of the top multifunctional performers on the market. The Brother MFC-8420, though comparatively slow by today’s standards, offered affordable print, copy, scan, and fax options in a single, comprehensive piece of hardware. While it would not be wise to seek out an 8420 for purchase, third party retailers do, in fact, continue to carry consumables for this rapidly aging laser printer.


Pros:

While not as effective as a built in LCD screen, the Brother MFC-8420’s five line LCD text based display is more than enough for navigating through menus and extensive print and fax options. The area where the multifunctional unit excels most at is probably fax functionality. With 32 MBs of built in memory, the unit can store up to 600 pages of fax page memory.

The device’s built in Super G3 33.6 Kbps fax modem allows for transmission and reception of faxes at speeds approaching 2 seconds per page, which is as fast as anything in existence. The unit’s built in automatic document feeder is huge and can carry up to 50 pages of input, making large scan, copy, and fax projects virtually automated.

There are three different model variations of the Brother MFC-8420 including the base model and the Brother MFC-8420D and Brother MFC-8420DN models, both which include automatic duplexing. The “N” model also includes the additional luxury of built in network abilities, making it easy to connect multiple devices to this high volume machine. The “N” model also gets a small boost in standard paper storage. While non-networkable versions come with a 250 sheets standard storage capacity, the Ethernet model can hold up to 300 sheets. All models can be upgraded with an additional paper tray to compensate for up to 500 sheets.

Additional fax functions include up to 300 programmable speed dials, and impressive 40 single touch speed dial locations/ buttons, fax forwarding, fax paging, remote retrieval, quick scan (2 sec.), and broadcasting to up to 390 locations. As stated earlier, the unit truly excels as a fax machine, unfortunately its out of date hardware is borderline unacceptable by any current standard.


Cons:

The Brother MFC-8420’s top print speed of only 17 pages per minute is roughly half that of laser printers found on the market today. While this performance specification may suffice for the home user, it is no longer sufficient in any type of busy work environment. As an older unit, the overall size of the MFC is also quite intimidating, as well as annoying. The device’s dimensions of 20.9 x 17.5 x 18.5 in. (W x D x H) limit its usefulness in a desktop or home environment.



 
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