Brother TN-2110 User Manual

Brother TN-2110, TN-2120, HL-2140, HL-
2170
The Brother TN-2110 toner cartridge, TN-2120, HL-2140, HL-2170 has a side filler hole (Fig. 1). In the
original state, the cap of the filling opening is taped with a paper label. Remove the label and the
sealing plug. It is important to remove all residual toner from the toner cartridge. Suck it off
thoroughly with the toner vacuum cleaner. To avoid later clumping of the toner. Then you can fill the
new toner into the laser cartridge. After you have finished refilling, close the filling opening with the
previously removed sealing plug.
IMPORTANT: The toner cartridges TN-2110 and TN-2120 must be absolutely leak proof. By gently
tapping on a piece of white paper, check the tightness of the cartridge PLUG. It must not trickle
toner powder from the cartridge.
Now the reset lever on the other side of the Toner Cartridge of the Brother TN-2110, TN-2120, HL-
2140, HL-2170 must be returned to its original position
First Remove the three screws and remove the cover see ( fig1) then turn the reset lever to the
position showed in (fig 3) Then reassemble back onto the cartridge making sure the gears are intact.
REAR VIEW
FRONT VIEW

Brother TN-2110 Specifications

General

Brand	Brother
Model	TN-2110
Category	Printer Accessories
Language	English

Summary

Brother TN Toner Refill and Reset Procedure

Initial Cartridge Preparation for Refill

Remove filler hole cap, plug, and residual toner before refilling the cartridge.

Toner Leak Proofness Verification

Verify cartridge plug tightness by tapping on paper to prevent toner powder leakage.

Reset Lever Adjustment and Reassembly

Return the reset lever to its original position and reassemble the cartridge ensuring gears are intact.

Starter Cartridges and Toner Level Mechanics

Starter Cartridges and Reset Lever Installation

Starter cartridges may lack a reset lever; it must be installed for refills to be recognized.

Reset Lever Functionality Explained

The reset lever is a mechanical counter tracking page usage to determine toner level.

Photoconductor Drum Wear and Defects

After multiple refills, the photoconductor drum may wear, causing print streaks or gray film.