hp4000

8/20/2019 hp4000

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HP4000/4000N/4000T/

4000TN/4050/4050N/4050SE/

4050T/4050TN

Canon LBP-1760MS/3175/

3175MS (FX-6)

Canon Laserclass 3170/3175

Part Number: C4127A

Gram Load: 305 gms

Yield @ 5%: 6,000 pgs

Pages/Min.: 17

Resolution: 300/600/1200dpi

Part Number: C4127X

Gram Load: 500 gms

Yield @ 5%: 10,000 pgs

Pages/Min.: 17

Resolution: 300/600/1200dpi

#1 Phillips ScrewdriverSmall Flat Blade ScrewdriverNeedlenose PliersPadding PowderSoft Lint-Free ClothCotton SwabsConductive GreasePunch or Bent Extraction ToolAnhydrous Isopropyl Alcohol

Vacuum or Compressed Air

Technical Instructions Printers OEM Info Tools

Step 1

Place the cartridge top down, drum side

up, on the table with the metal drum axlefacing you. With a Phillips #1 screwdriver,

remove two screws.

(See Photo 1)

Photo 1

Photo 2

Photo 3

P4000TECH

Step 2

Pull the drum axle (metal side plate) away.

(See Photo 2)

Step 3

Place the axle aside. Pull the drum shutter

back, and tape it or hold it with yourthumb and grab the drum by the smallgear end.Lift and pull the drum out,being

careful not to catch the large drum gearon the corner of the recovery blade, it may

bend or tear the blade, causing futuretoner leaks.

(See Photo 3)

Wrap the drum if it is to be used again, and

place it off to the side.

E-mail: [email protected] Website: www.futuregraphicsllc.com

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CORPORATE

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8/20/2019 hp4000


Photo 4

Step 5

You can now remove the two pins thhold the cartridge together. These a

tapered pins pushed in from the outsidso they must be removed from the insidof the cartridge. With the drum shutt

held back, use a long punch or beextraction tool, and tap, then press, th

tapered pins out from the inside on boends of the cartridge.

(See Photo 5 and 6)

The OEM pins can be reused durin

re-assembly, or after-market pins whichave a shoulder (allowing them to b

removed from the outside) can be useinstead. Set the toner hopper aside fnow.

Photo 6

Photo 7

Step 6

Hold the waste hopper with the wip

blade facing you, and remove the twPhillips head screws holding the wipblade.

(See Photo 7)

Step 7

Lift the wiper blade out and away. Dum

out all waste toner from the hopper, beincareful not to damage the recovery blad

or foam seal (on the upper back of thwaste hopper).Clean the PCR saddles wia cotton swab and alcohol.

(See Photo 8)

Photo 8

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Instructions for another engine?

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2 HP4000 Technical Instructions

Photo 5

Step 4

Next, using a pair of needlenose pliegrasp the PCR by the metal shaft, remoit, and place it off to the side as well.

(See Photo 4)

Notes

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Photo 16

Photo 17

Photo 18

Photo 19

Photo 20


Step 13

Next, use a Phillips screwdriver to removthe two screws on the left (gear) side

the toner hopper.

(See Photo 16)

Step 14

Pressing backward on the latch with small, flat blade screwdriver remove th

side plate. All the gears will stay attacheto the side cover and can easily be acleaned.

(See Photo 17)

Step 15

Remove the white plastic drive gear anblack plastic stabilizer arm from the ma

roller.

(See Photo 18)

NOTE: Be careful not to lose the small

shaped inner-bearing guide attached the stabilizer arm

(See Photo 19)

The mag roller can now be removed.

(See Photo 20)

Need trust-worthy, detailed Technical

Instructions for another engine?

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Notes

8/20/2019 hp4000


Photo 12

Step 10

Next, take a flat blade screwdriver and

pry the drum arm outward until it comescompletely off of the shaft.

(See Photo 13)

Photo 13

Step 11

At this point, pull out the drum shutter

bar until it is completely released from

the toner hopper.

(See Photo 14)

Photo 14

Need help with a particular remanu-

facturing problem? Call the Technical Resource Center from

8am - 5pm PST: 800 394.9900

HP4000 Technical Instructions

Photo 9

Step 8

Clean or replace the wiper blade andreinstall it at this time. Clean the PCRusing a mild soap & water.Re-install the

PCR, and then apply padding powderto a new drum and install it. Be careful

when installing the drum axle that the

inner shoulder fits into the depressionaround the hole in the side piece com-pletely (See Photo 9), so as not to pinchthe waste hopper side piece against

the drum gear (See photos #10 “right”,

and #11 “wrong”). This can cause bind-

ing, gear noise and a possible “errorcode 51”. The waste hopper is now fin-

ished and can be set aside.

Photo 10

Photo 11

Step 9

Take the toner hopper and place it on thetable with the mag roller side facing you.The

drum cover is attached on the left side by awire only, while the right side is attached by

both a wire and the curved, spring-loadedplastic “drum cover arm”. First, lift the drumcover arm spring and latch it on the cutout

of the arm. (See Photo 12)

Step 12

Turn the wire back and upwauntil the keyed flat piece of th

wire on the left (gear) side vertical and aligned with t

vertical slot on the plastic sid

plate, then slide it out .

(See Photo 15)

Do not force it, as it will com

out easily when alignecorrectly. You have now completely removed the dru

cover (it is very easy to re-instin reverse order). Set it asi

until the end.

Photo 15

WRONG

RIGHT

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Photo 23

Step 19

Dump the remaining toner from the

toner hopper and vacuum or clean withcompressed air. Clean the toner sensorwith a cotton swab and alcohol.

(See Photo 24)

Photo 24

Step 20

Also vacuum or with compressed air

clean the mag roller “magnetic seals”

(indicated with arrows).

(See Photo 25)

Photo 25

Need help with a particular remanu-

facturing problem? Call the Technical Resource Center from

8am - 5pm PST: 800 394.9900

HP4000 Technical Instructions

Photo 21

Photo 22

Step 18

Pry out gently on each end of the doctorblade with a small flat blade screwdriver

to aid in removal.

(See Photo 23)

Step 16

Remove the white plastic mag rollerguide, while noting the correct positionfor re-assembly.

(See Photo 21)

NOTE: It will cause banding if put back on

wrong.

Step 17

Remove the two Phillips head screwsholding on the doctor blade.

(See Photo 22)

NOTE: These screws are longer than all of

the other screws in this cartridge andmust be used here only.

Notes

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Photo 26

Photo 27


Technical Resource Center: Toll Free: 800 394.9900 Website: www.futuregraphicsllc.com

Step 23

Complete toner hopper assembly, incluing reinstallation of the drum cov

assembly. With the toner hopper anwaste hopper units reassembled, teeach one for free movement and lack

noise by turning them manually.

(See Photo 27)

Step 21

Clean the old conductive grease off of thmag roller bias contact plate and addvery small amount of fresh conductiv

grease. (See Photo 26

The hopper may now be filled throug

the magnetic roller opening anreassembled in reverse order.

Notes

Future Graphics (FG) is a distributor of compatible replacement parts and products for imagining equipment.

None of FG's products are genuine OEM replacement parts and no affiliation or sponsorship is to be implied between FG and any OEM.

hp4000

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