HP4100TechGuide.pdf

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Technical Instructions

Printers

OEM Info

Tools

1

HP4050

HP4100

HP4100DTN

HP4100N

HP4100TN

Part Number: C8061A

Gram Load: 305 gms

Yield @ 5%: 6,000 pgs

Pages/Min.: 25

Resolution: 300/600/1200dpi

Part Number: C8061X

Gram Load: 500 gms

Yield @ 5%: 10,000 pgs

Pages/Min.: 25

Resolution: 300/600/1200dpi

#1 Phillips Screwdriver

Small Flat Blade Screwdriver

Needlenose Pliers

Padding Powder

Soft Lint-Free Cloth

Cotton Swabs

Conductive Grease

Anhydrous Isopropyl Alcohol

Vacuum or Compressed Air

Soldering Iron

CORPORATE

LOS ANGELES

T 800 394.9900

818 316.0656

F

800 394.9910

818 313.9568

ATLANTA

T

877 676.4223

770 516.9488

Photo 1

F

877 337.7976

770 516.7794

Step 1

Place the cartridge on the workbench top

down (drum facing up) and so the metal

drum axle is facing you. Remove the two

screws holding the drum axle.

(See Photo 1)

DALLAS

T

877 499.4989

972 840.4989

F

877 774.1750

972 840.1750

MIAMI

T

800 595.4297

305 594.3396

Photo 2

Step 2

Remove the drum axle.

(See Photo 2)

F

800 522.8640

305 594.3309

NEW YORK

T

800 431.7884

631 345.0121

F

800 431.8812

631 345.0690

Step 3

Pull the drum shutter open exposing the

drum. Either tape or hold the shutter

open using your thumb. Grip the drum

by the small gear end, lift and rotate

clockwise while pulling the drum out of

the bearing end plate

(See Photo 3)

NOTE: Be very careful not to catch the

large gear of the drum on the corner of

the recovery blade. This will damage the

blade and cause leaking.

TORONTO

T

877 848.0818

905 702.9916

Photo 3

F

877 772.6773

905 702.9919

SYDNEY

T

02 9899.7055

F

02 9634.7466

Brand names and trademarks are the

properties of their respective holders

and are for descriptive use only.

Technical Resource Center:

Toll Free:

800 394.9900

Website:

www.futuregraphicsllc.com

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2

HP4100 Technical Instructions

Photo 4

Step 4

Using neddlenose pliers, grasp the metal

shaft of the PCR. Carefully lift and remove

the PCR.

(See Photo 4)

NOTE: Clean the PCR using mild soap and

water.

Photo 5

Photo 6

Step 5

Photo 5 shows a reinforcement feature of

the cartridge. To remove the cartridge

pins, use a soldering iron with a small tip

and melt the plastic wall.

(See Photo 6)

Photo 7

Step 6

Once the pins are visible use a long punch

or bent extraction tool to push the pins

out from the inside on both ends of the

cartridge.

(See Photo 7)

Step 7

With the pins removed, separate the two

sections. Set the toner hopper aside.

Photo 8

Step 8

Remove the two screws holding the wiper

blade and remove the blade.

(See Photo 8)

Step 9

Dump out the waste hopper. Using dry

compressed air or a vacuum, clean out the

hopper.

Photo 9

Step 10

Clean the PCR saddles with a swab and

alcohol. Add conductive grease to the

conductive (black) PCR saddle.

Step 11

To remove the drum shutter lift the drum

shutter arm spring and latch it on the

notch of the arm.

Need trust-worthy, detailed Technical

Instructions for another engine?

Visit: www.futuregraphicsllc.com

(See Photo 9)

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HP4100 Technical Instructions

3

Photo 10

Step 12

Take a small flat blade screwdriver and

release the clip that holds the shutter arm

to the toner hopper.

(See Photo 10)

Photo 11

Step 13

Pull the drum shutter bar out of the

positioning slot on the same side of the

hopper.

(See Photo 11)

Photo 12

Step 14

Rotate the cartridge 180 degrees. The

drum shutter bar on this side of the hop-

per is keyed. Turn the bar back and

upward until the keyed flat piece of the bar

is vertical and aligned with the vertical slot

on the toner hopper gear housing end

cap, then slide the bar out.

(See Photo 12)

Photo 13

Step 15

With a Phillips screwdriver remove the two

screws holding the toner hopper gear

housing end cap.

(See Photo 13)

Remove the end cap.

Photo 14

Step 16

Carefully rotate the hopper 180 degrees.

Remove the two screws holding the

contact end cap to the hopper.

(See Photo 14)

Need help with a particular remanu-

facturing problem?

Call the Technical Resource Center from

8am - 5pm PST: 800 394.9900

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4

HP4100 Technical Instructions

Photo 17

Step 21

Remove the two screws holding the

doctor blade.

(See Photo 17)

These screws are longer than all the other

screws in this cartridge and must be used

here only.

Step 17

Remove the contact end cap.

NOTE: Be careful not to loose the

white bearing that sits inside the

contact end cap. (See Photo 15)

Photo 15

Photo 18

Step 22

Remove the two white plastic scrapers

from the ends of the doctor blade.

(See Photo 18)

Photo 19

Step 18

Clean the old conductive grease

from the contact end cap. Apply

new conductive grease.

Step 23

To remove the doctor blade, lift the right

side of the doctor blade straight up.

(See Photo 19)

NOTE: Do not break the alignment pins

on the toner hopper. If the doctor blade

is not aligned properly print defect can

appear.

Step 19

Lift the mag roller out and away

from the hopper.

Step 20

Remove the mag roller drive

gear, stabilizer bar, and mag

roller bushings from the mag

roller.

(See Photo 16)

NOTE: Do not loose the two C-

shaped inner-bearing attached

to the stabilizer bar. Clean the

bushings using a soft cloth and

alcohol.

Photo 20

Step 24

Remove the two clear spacers that sit

behind the doctor blade.

(See Photo 20)

Step 25

Dump the remaining toner from the

toner hopper. Using dry compressed air

or a vacuum, clean out the hopper.

Photo 16

Photo 21

Step 26

Clean the toner sensor wire using a swab

and alcohol.

(See Photo 21)

Step 27

Fill the toner hopper through the mag

roller open. NOTE: Be very careful not to

bend the sensor wire

Step 26

Reassemble in the reverse order.

C-shaped inner-bearing

Technical Resource Center:

Toll Free:

800 394.9900

Website:

www.futuregraphicsllc.com

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