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INSTRUCCIÓNES TÉCNICAS DE CÓMOREMANUFACTURAR EL HP™1505

Felipe Trejo

Technical SupportEngineer

REMANUFACTURING INSTRUCTIONS

FOR THE HP®

P1505™

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REMANUFACTURING INSTRUCTIONS FOR THE HP® P1505™

These single-function, monochrome desktop printers, released in late 2007,are the lowest-priced SOHO (P1005) channel laser printers ever released byHP. They can be purchased in retail for around $150 without rebates and thecartridges typicall sell for about $60. The cartridges are also the first to use

HP’s ‘Chemical magnetic’ toner.

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CRITICAL COMPONENT ANALYSIS

OPC – The OEM OPC is distinct for its poor quality. The profile (uniformity

of application) of the coating is poor and it is almost certainly not

receptive to any type of re-coating applications. – OEM OPC may be re-used for 2 cycles. – Running the OEM ‘E’ pattern for benchmarking will damage the

OEM drum. – MK Imaging drum does not get damaged by running ‘E’ pattern

tests.Toner

– OEM product is magnetic polymerized – Aftermarket toners are conventional

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TESTING METHODOLOGY RECOMMENDATIONS

OEM ‘E’ pattern testing reveals an OEM drum problem, not an MK Imagingproblem. This problem will occur whether it is done on continuous or stop-start.

E Pattern Effect on Black Page

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CHIPS

Messages generated in HP P1505 printer:Cartridge with a new OEM chip.Cartridge with a used OEM chip.

Using a new OEM chip on cartridge:

Printer will go to ready status. A message will pop on the PC monitor that saysUsed Cartr idge Installed Any printer repair required as result of using non-HP

supplies is not covered under warranty. This message will pop on the PC monitorrandomly when data is sent to the printer. Note: Printer will print normal, but therewill be no toner low warnings when the cartridge is low on toner.

Using a cartridge without chip:Printer will go ready status and a message will pop o the PC monitor that saysCARTRIDGE MEMORY ERROR ON BLACK Unable to read cartridge data. Re-

install the cartridge. This message will pop on the PC monitor randomly when datais sent to the printer. Note: Printer will print normal, but there will be no toner lowwarnings when the cartridge is low on toner.

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PrintersHP P1005 15 PPMHP P1006 17 PPMHP P1505 24 PPM

HP P1505N 24 PPMHP M1522N MFP 24 PPMHP M1522NF MFP 24 PPM

Cartridge InformationCB435A 1.5K HP P1005CB435A 1.5K HP P1006CB436A 2K HP P1505

CB436A 2K HP P1505NCB436A 2K HP M1522NCB436A 2K HP M1522NF

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TOOLSPhillips Screwdriver Small Flathead Screwdriver Utility knife

SPECIAL TOOLSHP1505THHOLD


SUPPLIESDry lint-free clothDry compressed air or vacuumPadding Powder

Cotton Swab AlcoholConductive GreaseDoctor BladeSealing Foams (2)Replacement SealFill-plug

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Step 1

Place the cartridge on a workingbench. Use a Phillips screwdriver toremove the screw that holds the drumbearing hub onto the cartridge.

(See photo 1)

Photo 1


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Step 2Remove the drum bearing hub making sure not to lose the drum shutter tensionspring. Place the drum shutter spring onto the drum bearing axle.

(See photos 2 & 3)

Photo 2 Photo 3


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Step 3While holding the cartridge handle with your left hand, grab the bottom of thetoner hopper with your right. Pull the toner hopper toward you while pushing thewaste hopper away from you (See photo 4). This will remove the toner hopperend cap arm from the socket on the waste hopper (See photos 5 & 6). Set thetoner hopper aside.NOTE: Be careful when separating the toner hopper. The drum can bedamaged in the process.

Photo 4

Photo 5 Photo 6


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Step 4

Lift the gear end of the drum up.Rotate the drum counter-clockwisewhile pulling the drum from the contactaxle (See photo 7). Place the drum in

a protected area out of the light.

Photo 7


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Step 5

Carefully lift out the PCR (See photo8). Clean the shaft of the PCR using adry lint-free cloth to remove anyconductive grease. Clean the PCR

using a new dry lint-free cloth. Distilledwater can be used to clean the PCR ifneeded.

Photo 8


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Step 6

Remove the two screws holding thewiper blade (See photo 9). Remove thewiper blade and clean the wiper bladeusing dry compressed air.

Photo 9


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Step 7

Clean the waste hopper using dry compressed air or avacuum.


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Step 8

Apply padding powder to a new oronce-used wiper blade. Place theblade onto the waste hopper andinstall the two screws that hold the

blade in place.(see photo 10)

Photo 10


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Step 9

Using a cotton swab, clean the PCRsaddle using alcohol. Apply newconductive grease to the blackconductive PCR saddle. Install the

PCR.(See photo 11)

Photo 11


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Step 10

Clean the drum axle. Apply newconductive grease to the drum axleusing a cotton swab.

(see photo12)

Photo 12


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Step 11

Apply padding powder to a new oronce-used drum. Slide the drum onto

the contact axle while rotating thedrum counter-clockwise. Place thedrum bearing end cap onto the wastehopper. Rotate the drum 4-5revolutions while cleaning the PCRusing a lint-free cloth (see photo 13).Remove the bearing end cap whencompleted. Set the waste hoppersection aside.

Photo 13


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Step 12

Grab the toner hopper. Remove the two screws holding the gear housing endcap to the toner hopper. Please note the screws that hold the end caps to thetoner hopper have locking washers, make sure these screws are used to holdthe end caps in place (see photo 14). Remove the end cap (see photo 15).

Photo 14 Photo 15


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Step 13

Remove the mag roller drive gear andthe two drive gears from the tonerhopper.

(See photo 16)

Photo 16


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Step 14Rotate the toner hopper 180° and remove the screw that holds the contact endcap to the toner hopper (See photo 17). Remove the contact end cap (Seephoto 18).

Photo 17 Photo 18


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Step 15Carefully lift out the mag roller (See

photo 19). Remove the mag rollerbushings and clean. Clean the magroller first using dry compressed air ora vacuum, then a lint-free cloth.Note: The mag roller magnet is not

held in place. Holding the gear end ofthe mag roller up will cause themagnet to fall out of the mag roller. Photo 19


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Step 16

Remove the two screws that hold thedoctor blade in place (See photo 20).Remove the white scrapers from theends of the doctor blade.

Photo 20


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Step 17

Insert a small flat blade screwdriverbetween the doctor blade and thetoner hopper on the gear end of thehopper (See photo 21). Pry the doctor

blade away from the toner hopper.Clean the doctor blade usingcompressed air.

Photo 21


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Step 18

Place the toner hopper into the FutureGraphics HP P1005/P1006/P1505toner hopper holding fixture and drillguide (HP1505THHOLD).

Photo 22


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Step 19

Lock the toner hopper into place bypushing down the red handle.

(See photo 23)

Photo 23


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Step 20

To refill an HP P1005 or P1006cartridge, use the left drill guide. Torefill the HP P1505 cartridge, use thedrill guide on the right (See photo 24).

Remove the cartridge from the holdingfixture and clean away any burrs orshavings.

Photo 24


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Step 21

Using a small flat blade screwdriver,push the seal exit port plug from theinside of the toner hopper (See photo25). Pull out the seal exit port plug.

Photo 25


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Step 22

Clean the toner hopper using dry compressed air.


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Step 23

Remove the doctor blade sealingfoams from both sides of the tonerhopper.

(see photo 26)

Photo 26


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Step 24

Clean the seal area using a cottonswab.

(See photo 27)

Photo 27


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Step 25

Remove the liner form the back of thenew replacement seal. Place the sealinto the toner hopper (See photo 28).Fold the tail of the seal over and slide

it through the seal exit port opening.

Photo 28


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Step 26

Install the seal exit port plug.

(See photo 29)

Photo 29


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Step 27

Fill the toner hopper (see photo 30). Install the fill plug (see photo 31).

Photo 30 Photo 31


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Step 28

Install new doctor blade sealing foamsto each end of the toner hopper.

(See photo 32)

Photo 32


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Step 29

Place a new or cleaned doctor bladeonto the toner hopper. Place the whitescrapers on each end of the doctorblade and install the two screws that

hold the doctor blade.(See photo 33)

Photo 33


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Step 30

Remove the mag roller contact fromthe toner hopper contact end cap.

(See photo 34)

Photo 34


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Step 31

If the mag roller magnet was removed,reinstall it into the mag roller. Placethe mag roller bushings onto the endsof the mag roller: the black bushing on

the contact end and the white bushingon the drive gear end. Install the magroller contact and bushings.

(See photo 35)Photo 35


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Step 32

Install the mag roller onto the tonerhopper.

(See photo 36)

Photo 36


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Step 33

Place the contact end cap onto theend of the toner hopper. Install thescrew that holds the end cap in place.

(See photo 37)

Photo 37


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Step 34

Install the mag roller drive gear ontothe mag roller. Install the two drivegears to the end of the hopper.

(See photo 38)

Photo 38


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Step 35

Place the gear housing end cap ontothe toner hopper. Install the two screwsthat hold the end cap in place.

(See photo 39)

Photo 39


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Step 36

Place a bead of toner across thesurface of the mag roller for post-testing (See photo 40). Rotate themag roller 5-10 revolutions to ensure

the toner is evenly distributed.

Photo 40


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Step 37While holding the waste hopper with your left had and the toner hopper withyour right hand, align the two halves (See photos 41 & 42).

Photo 41 Photo 42


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Step 38

Once aligned, pull the waste hoppertowards you while pushing the tonerhopper away.

(See photo 43)

Photo 43


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Step 39

Using a small flat blade screwdriver,push the toner hopper compressionspring into the correct position.

(See photo 44)

Photo 44


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Step 40

Place the drum bearing end cap ontothe end of the cartridge. Install thescrew that holds the end cap in place.

(See photo 45)

Photo 45


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Step 41

Move the drum shutter tension springinto place.

(See photo 46)

Photo 46


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Step 42

Using a utility knife, carefully cut thetop of the rails that hold the cartridgechip in place (See photo 47). Removethe cartridge chip.

Photo 47


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Step 43

Install a new chip into the wastehopper.

(See photo 48)

Photo 48


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