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59 Products for the Samsung SCX-4521 MultiFunction Laser Printer
You Are Here: >  Top >  Samsung >  "SCX" - MultiFunction >  SCX-4521

SAMSUNG SCX-4521 FUSER ASSEMBLY

Samsung SCX-4521 Fuser Unit (OEM) 110-120V
Samsung

Price:  $95.89
Product Description
Fuser Unit for Samsung SCX-4521 Laser Printer (OEM 110-120V), manufactured by Samsung

This fuser assembly unit prints pages. Page Yield is based on Samsungs manufacturer specifications. The actual yield can vary depending on factors including: the size paper you are using, your printers settings, & how much content is printed onto each page.


What is OEM? OEM fuser assembly units are assembled by Samsung for your MultiFunction Laser Printer. Also known as "genuine" fuser assembly units, these are meant to act as a premium alternative to compatible or re-manufactured fuser assembly units.


Product Manuals
When do I Replace a Fuser Assembly Unit in the Samsung SCX-4521 Laser Printer?
The fuser assembly unit installed in your Samsung SCX-4521 Laser Printer is a consumable component that lasts approx. 50,000 pages. The fuser assembly unit uses pressure and heat to fix toner to the paper. You should install a new fuser assembly unit if:

‘’Low Heat Error’’ is displayed on the LCD screen – The installed fuser assembly unit cannot reach operating temperature. You should try to resolve the issue by turning off the laser printer, disconnecting its power cord, and then restarting the printer. A new fuser assembly unit must be installed if the problem persists.

‘’Open Heat Error’’ – Your Samsung SCX-4521 Laser Printer has detected a hardware problem with a component of the installed fuser assembly unit. You should restart the laser printer, and then check if the error message is still displayed. The installed fuser assembly unit must be replaced if the problem persists.

‘’Overheat’’ – The installed fuser assembly unit cannot maintain the operating temperature. You should try the resolve the issue by turning the printer off and then back on. Please install a new fuser assembly unit if the problem persists.

‘’Open Fuser Error’’ – The most common cause of this issue is a damaged/faulty thermistor. The thermistor is a component of the installed fuser assembly unit. Therefore, you should install a new fuser assembly unit to be able to continue printing.

Constant Jam in the fuser area – The gears/rollers of the installed fuser assembly unit have been damaged in result of overheating. You must install a new fuser assembly unit.

Vertical lines appear periodically at the top of a black image – This is an indication for a defective, exhausted, or damaged fuser assembly unit. Please install a new fuser assembly unit.
How to Install a Fuser Assembly Unit in the Samsung SCX-4521 Laser Printer
The installation of a new fuser assembly unit is a complex procedure that includes the removal of the following components: Rear cover, Front cover, Right cover, Left cover, Scan assembly, and Middle cover. Please follow the execution order strictly.

Removal of the Rear Cover
You must remove the four screws that are securing the rear cover to the printer chassis. Then, you must open the Jam cover. After that, you must pull the rear cover towards you to remove it from the laser printer, and then proceed with the removal of the Front cover.

Removal of the Front Cover
You must open the front cover, and then pull its lower right part to the left. Now, you must carefully pull the front cover towards you to remove it from the Samsung SCX-4521 Laser Printer, and then proceed with the removal of the Right cover.

Removal of the Right Cover
Once you have removed the Front and Rear covers, you must remove the screw from the left side of the front cover. After that, you must remove the right cover by pulling it towards you and pushing it slightly to the right, and then proceed with the removal of the Left cover.

Removal of the Left Cover
You must remove the screw that secures the left cover to the printer chassis. Then, you must pull the left cover towards you at an angle of 45degrees to the left to detach it from the main unit. After that, you must unplug the speaker connector from the Main PBA, and then remove the two screws from the speaker. Now, you must move the left cover away from the main unit, and then proceed with the removal of the Scan Assembly.

Removal of the Scan Assembly
You must start the procedure by removing the two screws from the middle cover. Then, you must remove the screw from the ground cable. After that, you must detach the connectors of the following components: ADF, Scan Motor, and OPE. Now, you must unplug the flat cable-cis, remove the scan assembly from the Samsung SCX-4521 Laser Printer, and then proceed with the removal of the Middle cover.

Removal of the Middle cover
Once the scan assembly is removed, you must remove the five screws from the top side of the middle cover. Then, you must slide the middle cover to the right to release it from the Main PBA. After that, you must remove the stacker, take the middle cover out of the main unit, and then proceed with the installation of the new fuser assembly unit.

Installation of the new Fuser Assembly Unit
Initially, you must unplug the connectors of the SMPS and the Main PBA, and then carefully remove the four screws that are securing the used fuser assembly unit. After that, you must detach the ‘’Lever-M-Act Exit’’ and the ‘’Cover-M-Safty’’ from the used fuser assembly unit. Then, you must unpack the new fuser assembly unit. Now, you must attach the ‘’Lever-M-Act Exit’’ and the ‘’Cover-M-Safty’’ to the new fuser assembly unit, and then insert the new component into the laser printer. Once the new fuser assembly unit is firmly inserted, you must secure it with the four screws, and then attach the connectors of the SMPS and the Main PBA. Finally, you must reinstall the Rear cover, Front cover, Right cover, Left cover, Scan assembly, and the Middle cover by following the current procedure in reverse order, and then test your Samsung SCX-4521 Laser Printer.
SCX-4521 TONER CARTRIDGE
Samsung SCX-4521 - Toner Cartridge - 3000 Pages
  OVER 100
IN STOCK NOW

Price:  $25.89
SCX-4521 2 PACK OF TONER CARTRIDGES
Samsung SCX-4521/4521FG Laser -2Pack of Toner Cartridges - 3000 Pages Ea
  OVER 100
IN STOCK NOW

Price:  $49.89
SAMSUNG SCX-4521 TONER CARTRIDGE
Samsung SCX-4521 Toner Cartridge (OEM) 3,000 Page
Samsung 10 IN STOCK NOW

Price:  $91.89
SCX-4521 BRUSH
Samsung SCX-4521 Antistatic Brush for Fuser Unit (OEM)
Samsung

Price:  $2.89
SCX-4521 PLATEN COVER
Samsung SCX-4521 Platen Cover (OEM)
Samsung

Price:  $38.89
SCX-4521 JAM COVER
Samsung SCX-4521 Jam Cover (OEM)
Samsung

Price:  $12.89
SAMSUNG SCX-4521 ADF TENSION SPRING
Samsung SCX-4521 ADF Torsion Spring (OEM) CC2-F
Samsung

Price:  $8.89
SCX-4521 PRINTED BOARD ASSEMBLY
Samsung SCX-4521 Printed Board Assembly (OEM) LIU
Samsung

Price:  $7.89
SAMSUNG SCX-4521 ADF PICKUP ROLLER
Samsung SCX-4521 ADF Pickup Roller (OEM)
Samsung

Price:  $14.89
SAMSUNG SCX-4521 ADF ROLLER ASSEMBLY
Samsung SCX-4521 ADF Roller Assembly (OEM)
Samsung

Price:  $16.89
SAMSUNG SCX-4521 FEED GEAR
Samsung SCX-4521 Feed Gear (OEM) 35/19 Teeth
Samsung OVER 50
IN STOCK NOW

Price:  $1.89
SCX-4521 HALOGEN LAMP
Samsung SCX-4521 Halogen Lamp (OEM)
Samsung

Price:  $27.89
SAMSUNG SCX-4521 M PAD HOLDER
Samsung SCX-4521 M-Pad Holder (OEM)
Samsung

Price:  $7.89
SAMSUNG SCX-4521 SENSOR
Samsung SCX-4521 Spring Lever Sensor (OEM)
Samsung 33 IN STOCK NOW

Price:  $8.89
SCX-4521 CABLE HARNESS
Samsung SCX-4521 CBF Harness ADF (OEM)
Samsung

Price:  $12.89
SAMSUNG SCX-4521 SIGNAL CIS
Samsung SCX-4521 Contact Image Sensor ADF Harness (OEM)
Samsung

Price:  $12.89
SCX-4521 HOLDER M PLATE CLAW
Samsung SCX-4521 Holder M Plate Claw (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SCX-4521 PMO BUSHING TR L
Samsung SCX-4521 Bush-M-TR L (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SCX-4521 BUSH HR
Samsung SCX-4521 Bush-M-HRL (OEM)
Samsung

Price:  $2.89
SCX-4521 BUSH HR
Samsung SCX-4521 Bush-M-HR R (OEM)
Samsung

Price:  $3.89
SCX-4521 PLATE
Samsung SCX-4521 Plate M Knock Up (OEM)
Samsung

Price:  $5.89
SAMSUNG SCX-4521 PICKUP ROLLER HUB
Samsung SCX-4521 Pickup Roller Hub #2 (OEM)
Samsung

Price:  $5.89
SCX-4521 HOLDER M EXIT R
Samsung SCX-4521 Holder M Exit R (OEM)
Samsung

Price:  $4.89
SCX-4521 EXIT ACTUATOR HOLDER
Samsung SCX-4521 Exit Actuator Holder (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SCX-4521 SHEET ADF HOLDER
Samsung SCX-4521 Sheet ADF Holder (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SCX-4521 COVER
Samsung SCX-4521 Cover M Front (OEM)
Samsung

Price:  $11.89
SCX-4521 GEAR
Samsung SCX-4521 ADF Gear (OEM) 40T/21T
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $4.89
SCX-4521 GEAR
Samsung SCX-4521 Fuser Gear Z37 (OEM)
Samsung

Price:  $5.89
SAMSUNG SCX-4521 LOWER PRESSURE ROLLER
Samsung SCX-4521 Lower Fuser Pressure Roller (OEM)
Samsung

Price:  $40.89
SCX-4521 HEAT ROLLER
Samsung SCX-4521 Fuser Heat Roller (OEM)
Samsung

Price:  $26.89
SCX-4521 GEAR
Samsung SCX-4521 Gear RDCN 113/83 (OEM)
Samsung

Price:  $2.89
SCX-4521 GEAR
Samsung SCX-4521 Fuser Drive Gear (OEM) 63/35T
Samsung

Price:  $2.89
SAMSUNG SCX-4521 PMO BUSHING TR L
Samsung SCX-4521 PMO Bushing TR L (OEM)
Samsung 10 IN STOCK NOW

Price:  $9.89
SCX-4521 TRANSFER ROLLER
Samsung SCX-4521 Transfer Roller (OEM)
Samsung

Price:  $17.89
SCX-4521 GEAR
Samsung SCX-4521 Gear Feed Dr 41 (OEM)
Samsung

Price:  $0.89
SCX-4521 CAM M PICK UP
Samsung SCX-4521 Cam M Pick Up (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $3.89
SCX-4521 LEVER
Samsung SCX-4521 Lever M Kicker P/U (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $3.89
SCX-4521 LEVER
Samsung SCX-4521 Lever M - Actuator Exit (OEM)
Samsung

Price:  $4.89
SAMSUNG SCX-4521 EXIT ROLLER
Samsung SCX-4521 Exit Roller - F/Down (OEM)
Samsung

Price:  $16.89
SCX-4521 PRESSURE BUSH R
Samsung SCX-4521 Pressure Bush - R (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SAMSUNG SCX-4521 SEPARATION PAD
Samsung SCX-4521 Cassette Separation Pad (OEM)
Samsung 10 IN STOCK NOW

Price:  $8.89
SAMSUNG SCX-4521 PAPER PICKUP ROLLER
Samsung SCX-4521 Rubber Paper Pickup Roller Tire (OEM)
Samsung

Price:  $17.89
SCX-4521 ELA UNIT TERMINAL TR L
Samsung SCX-4521 ELA Unit Terminal (OEM) TR L
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SCX-4521 PRINTER BOARD ASSEMBLY SUB CRUM P
Samsung SCX-4521 Printer Board Assembly (OEM) Sub Crum P
Samsung

Price:  $24.89
SCX-4521 GEAR ASSEMBLY
Samsung SCX-4521 Pick Up Gear Assembly (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $1.89
SCX-4521 COVER
Samsung SCX-4521 MEA Unit Cover (OEM)
Samsung

Price:  $17.89
SAMSUNG SCX-4521 SEPARATION PAD
Samsung SCX-4521 Separation Pad Assembly (OEM)
Samsung

Price:  $21.89
SAMSUNG SCX-4521 SEPARATION PAD
Samsung SCX-4521 Separation Pad (OEM)
Samsung 13 IN STOCK NOW

Price:  $9.89
SAMSUNG SCX-4521 ADF SEPARATION RUBBER
Samsung SCX-4521 ADF Separation Pad - Rubber (OEM)
Samsung

Price:  $10.89
SAMSUNG SCX-4521 SPRING
Samsung SCX-4521 Pickup Spring (OEM)
Samsung

Price:  $9.89
SCX-4521 TRANSFER GEAR
Samsung SCX-4521 Transfer Gear (OEM)
Samsung

Price:  $1.89
SCX-4521 FACE UP IDLE SHAFT
Samsung SCX-4521 Face Up Idle Shaft (OEM)
Samsung

Price:  $0.89
SCX-4521 PMO SUB STACKER
Samsung SCX-4521 PMO Sub Stacker (OEM)
Samsung SHIPS FROM MANUFACTURER
(extra 3-5 days)

Price:  $3.89
SCX-4521 CONTACT IMAGE SENSOR
Samsung SCX-4521 Contact Image Sensor (OEM)
Samsung

Price:  $39.89
SCX-4521 SOLENOID PICKUP
Samsung SCX-4521 Solenoid Pickup (OEM)
Samsung

Price:  $13.89
SCX-4521 M JAM DUMMY
Samsung SCX-4521 M Jam Dummy (OEM)
Samsung

Price:  $7.89
SAMSUNG SCX-4521 SEPARATION PAD ASSEMBLY
Samsung SCX-4521 ADF Separation Pad Assembly (OEM)
Samsung 10 IN STOCK NOW

Price:  $10.89
SCX-4521 LEVER M ACUATOR
Samsung SCX-4521 Lever M Acuator (OEM) Jam
Samsung

Price:  $3.89

About My Samsung SCX-4521F Multifunction Printer

Pages Per Minute
Cost of Consumables
Printer Resolution
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