HP 4500Drum.pdf

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HP4500TECHDRUM

Te c hnical Instructions

Printers

OEM Info

Tools

1

HP4500/4550

HP4500N/4550N

HP4500DN/4550DN

Part Number: C4195A

Yield @ 5%: 25,000 Black

6,250 Color

Pages/Min.: 4 Color/16 Black

Resolution: 600dpi

(HP ImageRET 2400)

#1 Phillips Head Screwdriver

Small Flat Blade Screwdriver

Needlenose Pliers

Anhydrous Isopropyl Alcohol

Padding Powder

Soft Lint-Free Cloth

Cotton Swabs

Vacuum or Compressed Air

CORPORATE

LOS ANGELES

T

800 394.9900

818 316.0656

F

800 394.9910

818 313.9568

ATLANTA

Photo 1a

T

877 676.4223

770 516.9488

Step 1

Place the cartridge on the table with the

label side up and the handle facing away

from you.

(See Photo 1a)

F

877 337.7976

770 516.7794

DALLAS

T

877 499.4989

972 840.4989

With a #1 Phillips screwdriver, remove the

shutter arm screw.

(See Photo 1b)

F

877 774.1750

972 840.1750

MIAMI

Photo 1b

T

800 595.4297

305 594.3396

F

800 522.8640

305 594.3309

NEW YORK

T

800 431.7884

631 345.0121

F

800 431.8812

631 345.0690

Photo 2

Step 2

Lift the drum shutter spring tail and

remove the drum shutter arm. Note posi-

tion of the shutter return spring.

(See Photo 2)

TORONTO

T

877 848.0818

905 712.9501

F

877 772.6773

905 712.9502

SYDNEY

T

02 9648.2630

F

02 9648.2635

Brand names and trademarks are the

properties of their respective holders

and are for descriptive use only.

Other Technical Instruction Guides available for this engine:

HP4500/4550 C, M, Y Toner Cartridges Reman. Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . HP4500TECH-CMY

HP4500/4550 Black Toner Remanufacturing Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . HP4500TECH-BLACK

Te chnical Resource Center:

Toll Free:

800 394.9900

Website:

www.futuregraphicsllc.com

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2

HP4500 Technical Instructions

Photo 3a

Step 3

Slide the shutter wire out on each side

and set aside for now.

(See Photo 3a and 3b)

Photo 3b

Photo 4

Step 4

Remove the seven (7) Phillips head

screws from the left side plate.

(See Photo 4)

Photo 5

Step 5

Pull off the blue knob on the end of the

drum shaft.

(See Photo 5)

Photo 6

Step 6

Turn the cartridge and remove the six (6)

phillips head screws from the right side

plate .

(See Photo 6)

Need trust-worthy, detailed Technical

Instructions for another engine?

V isit: www.futuregraphicsllc.com

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HP4500 Technical Instructions

3

Photo 7

Step 7

Carefully remove the right-side plate.

(See Photo 7)

Photo 8

Step 8

With the assembly inverted, remove the

left side plate while balancing the drum

in its normal position.

(See Photo 8)

Photo 9

Step 9

Remove the drum.

(See Photo 9)

Photo 10

Step 10

Remove the PCR cover by inserting a flat

blade screwdriver in the center slot and

release the latch.

(See Photo 10)

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

HP4500 Technical Instructions

Photo 11

Step11

Remove the PCR, wipe clean with a soft,

dry cloth and set aside.

(See Photo 11)

Photo 12

Step12

Remove the two Phillips head machine

screws holding the wiper blade in posi-

tion.

(See Photo 12)

Photo 13a

Step 13

Note the stabilizer bar attached to the

wiper blade with two (2) long shouldered

screws.

(See Photo13a)

The stabilizer bar must be moved to the

new wiper blade. Note the correct posi-

tion before removing it from the used

part. Apply the adhesive strip to the sta-

bilizer bar and carefully affix to the new

blade. Anchor with two (2) screws.

(See Photo13b)

Photo 13b

Photo 14

Step 14

Remove the chip housing located on the

left side of the cartridge by removing the

two Phillips head screws from the brack-

et.

(See Photo 14)

Photo 15

Step 15

Replace the chip with a new one by pry-

ing up on the old one to extract it. Press a

new chip into position. Follow the

detailed instruction printed on the

replacement chip label.

NOTE: Used chips can be sent into Future

Graphics to be reset.

(See Photo 15)

Need trust-worthy, detailed Technical

Instructions for another engine?

V isit: www.futuregraphicsllc.com

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HP4500 Technical Instructions

5

Photo 16

Step 16

Note the position of the auger gears.

Remove the nine gears from the side of

the cartridge.

(See Photo 16)

Photo 17

Step 17

Using dry, compressed air, blow out the

waste toner through the auger gear

holes.

(See Photo 17)

NOTE: It is very important to get all the

toner out of the waste unit. Failure to do

so may result in a premature “Drum Life

Low” or “Drum Life Out” error message.

Step 18

Reinstall the waste hopper gears.

Step 19

Reinstall the chip housing with the two (2) Phillips head screws.

Photo 20

Step 20

Inspect the mylar recovery blade for dam-

age, kinks, or waves. Replace if necessary.

(See Photo 20)

Photo 21

Step 21

Install wiper blade assembly and adjust

the position with a blade spacing tool.

(See Photo 21)

Need help with a particular remanu-

facturing problem?

Call the Technical Resource Center from

8am - 5pm PST: 800 394.9900

Step 22

Reinstall the cleaned replacement PCR.

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