Restores gear engagement
Helps transfer rotation through the printer’s fuser drive train when the original gears have worn or damaged teeth.
HP LaserJet M402 M404 M406 M426 M428 M430 4001 4101 E40040 Fuser Drive Gears (Set of 3)
$19.99
Restore the drive.
Quiet the grind.
A replacement fuser-drive swing gear set designed to restore reliable mechanical engagement between the printer’s drive system and fuser assembly. An economical repair for worn, rounded, cracked, or missing gear teeth.
31-Tooth Gear 29-Tooth Gear 75-Tooth Gear Set of 3 Gear Set Only
A focused mechanical repair.
Replace the commonly worn printer-side gears without purchasing an entire fuser, motor, or drive assembly when those components remain serviceable.
Addresses mechanical noise
May correct clicking, chattering, or grinding caused specifically by gears that are slipping or failing to mesh correctly.
Complete matching set
Includes the three commonly serviced gear sizes—31T, 29T, and 75T—for a coordinated drive-train repair.
Fuser assembly is not included.
This listing is for three printer-side fuser drive gears only. Please inspect and diagnose the printer before ordering.
Package includes
- One 31-tooth drive gear
- One 29-tooth drive gear
- One 75-tooth drive gear
Not included
- Fuser or fixing assembly
- Fuser motor or complete drive assembly
- Toner cartridge or imaging drum
- Clips, springs, bushings, or tools unless pictured
Compatible HP printer families
Designed for the related HP LaserJet print-engine families listed below. Regional suffixes and configurations may vary.
HP LaserJet Pro
M304, M305, M402, M403, M404, M405
HP LaserJet Pro MFP
M328, M329, M426, M427, M428, M429
HP LaserJet Pro 4000 Series
4001, 4002, 4003, 4004
HP LaserJet Pro 4100 MFP Series
4101, 4102, 4103, 4104
HP LaserJet Enterprise
M406, M407, MFP M430, MFP M431
HP LaserJet Managed
E40040 and MFP E42540
Compatibility confirmation: Before ordering, compare your printer model and existing gear layout with the product photos. Model suffixes such as n, dn, dw, d, w, fdn, fdw, and regional variants do not always use identical internal configurations.
Common signs of worn drive gears
This set may help when inspection confirms damage within the printer-side fuser drive train.
✓ Grinding, clicking, or chattering near the rear of the printer
✓ Visible cracked, rounded, stripped, or missing gear teeth
✓ Fuser assembly fails to rotate or engage consistently
✓ Paper stops or jams near the fuser, rear door, or output area
✓ Drive noise continues after installation of a serviceable fuser
✓ Intermittent mechanical engagement during printing
Diagnosis matters: Similar symptoms can also be caused by a damaged fuser gear, seized fuser, failing motor, worn drive assembly, foreign material, or another paper-path component. This gear set will correct the issue only when the original drive gears are the source of the failure.
Product specifications
Product type
Printer-side fuser drive / swing gear set
Quantity
Three gears
Gear configuration
31T, 29T, and 75T
Common reference
GR3-M402-SWING aftermarket reference
Installation location
Internal printer drive train near the fuser assembly
Voltage
Mechanical component; not voltage-specific
Package contents
One three-piece replacement gear set only
Installation level
Technician-level internal printer repair
Installation overview
Internal disassembly is required. Professional installation is recommended if you are unfamiliar with laser-printer repair.
1
Power down
Turn the printer off, disconnect power, and allow the fuser to cool completely.
2
Document orientation
Photograph the original gear, spring, and lever positions before removing components.
3
Inspect the drive
Check the mating fuser gear, shafts, clips, and motor-driven components for additional damage.
4
Replace and test
Install the gears in their correct positions, reassemble the printer, and test using several print jobs.
Service note: Do not apply general-purpose grease or oil. Use lubricant only where the applicable service procedure specifies it, and only use a plastic-compatible product intended for printer mechanisms.
Frequently asked questions
Does this listing include the fuser?
No. This listing includes the three fuser drive gears only. The fuser, motor, complete drive assembly, toner cartridge, and other printer parts are sold separately.
Are these gears installed inside the fuser?
These are commonly described as printer-side swing or fuser drive gears. They transfer rotation through the printer’s drive mechanism to the fuser. Compare the product photos with the gears in your printer before ordering.
Will this set eliminate a grinding noise?
It may if the noise is being caused by worn or stripped fuser drive gears. Grinding can also originate from the fuser, motor, cartridge, or another drive component, so inspection is recommended.
Should all three gears be replaced together?
Replacing the matching set is generally recommended when multiple gears show wear. Inspect the mating gears and shafts before reassembly to prevent a damaged component from wearing the new set.
Is this set compatible with both 110V and 220V printers?
The gears are mechanical and do not contain voltage-dependent electronics. Printer model and internal gear configuration must still be confirmed before ordering.
Can I install the gears myself?
Installation requires internal printer disassembly and correct positioning of the gears, levers, and related components. A qualified printer technician is recommended unless you have appropriate repair experience.
Small components. Essential motion.
Restore dependable fuser-drive engagement with a targeted three-gear repair. Confirm your model and original gear layout before placing your order.
HP and LaserJet are trademarks of their respective owner and are used only to identify product compatibility. Unless expressly stated otherwise, this is a compatible replacement component and is not manufactured or endorsed by HP.
Couldn't load pickup availability
Pickup available at WAREHOUSE
Usually ready in 5+ daysPairs well with
In stock! Ships within 5-7 business days.
100% Tested prior to shipment
Warranty Included (1 Year, 2 Year, and 3 Year Extensions available on all Printers)
Lifetime technical support
HP LaserJet M402 M404 M406 M426 M428 M430 4001 4101 E40040 Fuser Drive Gears (Set of 3)
M426 Series
$19.99
Please visit our FAQs page or email Sales@theprinterdepo.com with any questions you may have.
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