Brother DR-250 Owner's manual

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Part Number: DR-250
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Pages/Min.: 6
Resolution: 600x600 dpi
Technical Instructions Machine Compatibility OEM Info Tools 1
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Step 1
Remove the two Philip screws from the
top of the drum unit.
(See Photo 1)
Photo 1
Photo 2
Photo 3
BRDR250TECH
Step 2
Locate the two locking tabs on the top of
the cartridge. (See Photo 2) Using a small
flat blade screw driver, squeeze the legs
of the two inserts together. These inserts
prevent the lock tabs on the top of the
cartridge from being released.
(See Photo 3) Remove the inserts.
N
NO OT TE E: :These inserts can go flying during
the removal process, be careful not to
lose the inserts as they will need to be
reinstalled.
Phillips Screwdriver
Small flat blade Screwdriver
S
Su up pp pl li ie es sR Re eq qu ui ir re ed d: :
Cotton Swab
99% Alcohol
Replacement Drum
US 1 800 394.9900
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Photo 4
Step 4
Next to the locking tabs located on the
top of the cartridge there are two slots
were you can see the metal toner filling
cover. Using a screwdriver push the cover
down (towards the drum) till the guide
tab is exposed.
(See Photo 5)
Photo 6 Photo 7
Step 6
Using a flat blade screwdriver release
the two locking tabs from the top of the
cartridge.
(See Photo 8)
Photo 9
Photo 8
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2 Brother DR-250 Technical Instructions
Photo 5
Step 3
Step 3: Using a small flat blade screwdriv-
er, release the two locking clips on the
back of the cartridge. (See Photo 4)
Step 5
Release the locking tabs on both sides of
the cartridge.
(See Photo 6 & 7)
Step 7
Step 7: Release the three locking tabs
from the front of the cartridge.
(See Photo 9)

Photo 12
Step 10
Remove the white transfer roller saddle
from the non-gear side of the cartridge.
(See Photo 12)
Step 11
Remove the toner agitator drive gear
from the side of the cartridge.
(See Photo 13)
Photo 13
Photo 14
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Photo 10
Photo 11
Step 9
Lift the transfer roller away from the
drum. (See Photo 11) Clean the transfer
roller using dry compressed air.
Step 8
Lift the top cover of the cartridge to
separate the two sections.
(See Photo 10)
Brother DR-250 Technical Instruction 3
Step 12
Rotate the drum locking hub counter-
clockwise and remove the hub from the
drum axle.
(See Photo 14)
Notes

Photo 15
Photo 16
Photo 17
Photo 18
Photo 19
4 Brother DR-250 Technical Instructions
Step 13
Slide the drum axle out from the drum.
(See Photo 15)
Step 14
Lift out the drum from the cartridge.
Remove the gray drive gear from the end
of the drum. (See Photo 16)
N
NO OT TE E: :The drive gear will need to be used
with the new drum. It is important not to
lose the gear.
Step 15
Remove the Philips screw holding the
metal gear housing end plate on the side
of the cartridge.
(See Photo 17)
Step 16
Release the two locking tabs that hold
the gear housing end plate in place.
(See Photo 18)
Remove the gear housing end plate.
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Step 17
Remove the large white gear and the
developer roller drive gear from the end
of the cartridge.
(See Photo 19)
Notes

Photo 22
Photo 23
Step 21
Remove the gear and the metal developer
roller bearing from the contact side of the
roller.
(See Photo 24)
Photo 24
Need help with a particular remanu-
facturing problem?
Call the Technical Resource Center from
8am - 5pm PST: 800 394.9900
Photo 20
Photo 21
Step 18
Remove the metal developer roller bear-
ing from the gear side of the cartridge.
(See Photo 20)
Step 19
Move the developer roller contact bar to
the side.
(See Photo 21 & 22)
Step 20
Move the drive gear end of the developer
roller out and slide the roller away from
the contact end.
(See Photo 23)
Brother DR-250 Technical Instruction 5
Notes

Photo 25
Photo 26
6 Brother DR-250 Technical Instructions
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Step 23
Remove the bearing and spring from the
end of the developer roller. (See Photo 26)
Clean the roller using a dry lint free cloth.
N
NO OT TE E: :Visually inspect the developer
rollers. These rollers usually have a lot of
wear and maybe unusable for a second
cycle.
Step 22
Carefully remove the developer roller.
(See Photo 25)
Clean the cartridge using dry compressed
air or a vacuum.
Step 24
Clean the doctor blade using a cotton
swab and Acetone.
(See Photo 27)
Step 25
Place the spring and bearing onto the
developer roller. Install the developer
roller back into the cartridge.
(See Photo 28)
Step 26
Install the developer roller bearing that’s
has the smaller ID and the small gear
onto the roller axle on the contact side.
(See Photo 29)
Photo 27
Photo 28
Photo 29
Notes

Photo 32
Photo 33
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facturing problem?
Call the Technical Resource Center from
8am - 5pm PST: 800 394.9900
Photo 30
Step 27
Pull the drive gear end of the developer
roller out of the cartridge again. Install the
contact end gear onto the developer
roller axle. Place the contact bar back onto
the developer roller.
(See Photo 30)
Step 28
Install the developer roller bearing, drive
gear and the large white gear onto the
end of the cartridge. Place the metal gear
housing end plate onto the cartridge and
install the screw that holds the end plate
in place.
(See Photo 31)
Step 29
Clean the corona wire using a cotton
swab and alcohol.
(See Photo 32)
Photo 31
Step 30
Place the drive gear onto the drum and
install the drum into the cartridge.
(See Photo 33)
Step 31
Slide the drum axle through the drum
starting on the contact side. Install the
drum axle locking hub onto the drum
axle. Rotate the hub clock-wise to lock the
hub in position.
(See Photo 34)
Brother DR-250 Technical Instruction 7
Photo 34
Notes

Photo 35
Photo 36
Photo 37
Photo 38
Photo 39
Need help with a particular remanu-
facturing problem?
Call the Technical Resource Center from
8am - 5pm PST: 800 394.9900
Step 1
Install the jagged end of the clear
reset sheet into the cartridge
between the drum and transfer
roller.
(See Photo 1)
Step 2
Rotate the drum so the reset sheet
is fed into the cartridge and the end
of the sheet is flush with the end of
the cartridge with the jagged end
of the sheet sticking out the top of
the cartridge. (See Photo 2)
N
NO OT TE E: :Once the sheet is fed
through the printer, the machine
will reset the drum counter.
Photo 1
Photo 2
R
RE ES SE ET TT TI IN NG GT TH HE ED DR RU UM MC CO OU UN NT TE ER R
8 Brother DR-250 Technical Instructions
Step 33
Place the toner agitator gear onto the
cartridge.
(See Photo 36)
Step 32
Install the white transfer roller saddle
onto the contact side of the cartridge.
Place the transfer roller into position,
atop of the drum.
(See Photo 35)
Step 34
Place the top of the section of the
cartridge onto the bottom. Press down
till the top of the cartridge snaps into
place.Install the two screws that hold the
lid in place.
(See Photo 37)
Step 35
Install the two inserts into the two lock-
ing taps on top of the cartridge.
(See Photo 38)
N
NO OT TE E: :The two legs on the inserts will
face up away from the locking tabs.
Step 36
Slide the toner fill cover plate up so the
top of the plate covers the guide tads
on the top section of the cartridge.
(See Photo 39)
Step 37
Insert toner cartridge and test.

This new family of multifunction
machines was released to replace the
now discontinued Brother HL 720. Like
the HL720, these of machines use sepa-
rate drum and toner units. Similar look-
ing in appearance to the DR200, the new
DR-250 uses different drum gears and
employs molding differences in the car-
tridge prevents the cartridges from
being interchangeable.
However, the same problems that
haunt the DR-200 also plague the DR-250.
Streaking caused by worn developer
rollers is a common problem with these
drum units. Careful visual inspection of
the developer roller is important to pro-
ducing a quality product.
As with most new releases, an
improvement to the engines perform-
ance was accomplished by increasing
the printers speed to 10 pages per
minute while maintaining the same 600
x 600dpi print resolution. DR-250
Remanufacturing the Brother DR-250
Brother DR-250 Technical Instruction 9
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None of FG's products are genuine OEM replacement parts and no affiliation or sponsorship is to be implied between FG and any OEM.