HP® LASERJET 2600
Contents
1. soft pad CAUTION The working edge is made of coated steel that can be easily damaged by solvents or applying excessive pressure 49 You can now remove the developer roller sleeve Note that 50 Secure the two bushings and clean the developer roller the feeding roller cannot be taken out sleeve with compressed air Alternate with a lint free cotton pad Be sure to clean the two bushings thoroughly DEVELOPER ROLLER SLEEVE COATING SOLUTION RECOMMENDED This universal coating solution extends the life of the sleeve by applying a coating of Teflon and sealants to the transfer layer The coating fills in surface scratches and provides much needed lubrication to the sleeve to prevent wear that can lead to failure 1 Pre clean the developer roller sleeve with a dry lint free cloth to remove residual toner and surface contaminants 2 SHAKE WELL and pour a few drops of the solution onto a cotton pad It MUST be a lint free 3 Apply the solution in a back and forth circular motion along the axis of the sleeve Go around at least twice for a thin even coat 4 Allow to dry for 3 to 5 minutes before installing into the cleaned cartridge uniNnet www Uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this ar2. Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS NON CONTACT SPINDLE INSERT amp SMALL SCREW PRE INSERTED DRIVE CONTACT SPINDLE 34 A new replacement drum for use in HP 2600 EP 307 can now be installed The new drum must also include a pre inserted drive contact spindle a separate non contact spindle and small screw 35 First lubricate the interior of the blue axle housing on both 36 Carefully slide the new replacement drum drive contact sides of the cartridge with a minimum amount of white side into the contact axle housing on the left A bearing grease Lower the drum non contact side into place as shown on the Insert the new non contact spindle into the non contact axle right B housing shown Align the flange with the axle attachment UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 37 Insert the small screw on the outer end and
3. are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 23 Use a scriber or flathead screwdriver to pry the wiper blade 24 Lift out the wiper blade from one side assembly free from the adhesive strip behind it 25 Clean the wiper blade with a dry lint free cotton pad 26 Use a vacuum to clean out the waste bin of used toner This will allow you to re use the OEM adhesive strip to reassemble the wiper blade NOTE Do not use compressed air as it will only scatter the used toner and coat the adhesive strip rendering it useless UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS Pa DRUM UNIT REASSEMBLY 28 Use a tester to check the electrical continuity and ensure 27 Install the cleaned wiper blade assembly Make sure it good contact between the wiper blade fra
4. printed to the ETB As the printed areas get to the top of the belt a sensor will detect them measure the density and adjust the printer accordingly All of the calibration time settings are user controllable There are also physical calibrations of the gear train and various rollers TONER LOW DETECTION The last thing that needs to be discussed before getting to the actual remanufacturing is the toner level detection The 2600 printers determine cartridge life by a number of different ways It counts the number of OPC drum rotations and actual amount of toner left The amount of toner is also determined by an optical sensor that reads through a set of clear plastic lenses mounted on the supply chamber Each of these measurements is written to the chip Taking test prints cartridge troubleshooting as well as minor printer troubleshooting will be covered at the end of this article REQUIRED TOOLS Conical boring tool 2mm or 078 or 14 13 woodscrew Drill 2 5mm for metal pin extraction Pliers needle nose and gripping Hacksaw for OPC drum cutting Hook tool angled and straight Phillips screwdriver Flathead screwdriver small and standard size X Acto Knife for cutting plastic tabs Gapping tool for doctor blade removal and assembly 10 Plastic cement for smartchip installation 11 Small hammer for plastic pin insertion 12 Soldering tool or drill optional for alternate toner filling and cartridge s
5. tighten both pieces together with a Phillips screwdriver DEVELOPER UNIT DISASSEMBLY 38 Before disassembling use a gapping tool to measure the gap between the doctor blade and the hopper This will ensure accurate reposition of the doctor blade during the final cartridge assembly process in Step 68 UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 39 Remove the two screws from the contact gearless side 40 Carefully remove the contact plate assembly without end plate distorting the contoured contact circled Use extreme caution while separating it from the pillar 41 The shape of the contoured contact must remain intact 42 Remove the two screws from the non contact gear side when removed end plate shown Carefully remove this plate to access the gears inside UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloade
6. 6001A Cyan 2 000 pages at 5 115 00 List Q6003A Magenta 2 000 pages at 5 115 00 List Q6002A Yellow 2 000 pages at 5 115 00 List As you can see from these prices current as of April 2008 these are very profitable cartridges to remanufacture With the exception of the CLJ 1600 which ships with 1000 page starter cartridges it is sometimes cheaper to buy a new machine than to buy a full set of cartridges The Image Transfer Belt or ETB as HP is calling it is not a user replaceable part It is designed so that a technician will need to replace it looked in the service manual and on the HP web site but could not find a statement on the expected life of these belts The basic workings of these cartridges is similar to the 4600 3500 series but some advances have been made Because of that we are including the cartridge theory here If you are familiar with the 4600 or 3500 theory you will notice that there are fewer parts and the printing process is simpler uniNet www Uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS Fu
7. HP LASERJET 2600 CARTRIDGE REMANUFACTURING INSTRUCTIONS HP LASERJET 2600 TONER CARTRIDGE uniNnet www Uninetimaging com 2010 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS REMANUFACTURING THE HP LASERJET 2600 BLACK amp COLOR TONER CARTRIDGES By the Technical Staff at UniNet UPDATED MARCH 14 2012 First released in May of 2005 the HP 2600 series of color laser printers are based on a 8 ppm 600 DPI engine 2400 DPI with RET The 2600 cartridges consist of the toner supply drum and waste chamber Like the CLJ 4600 these machines use an inline or single pass system All four cartridges are stacked on top of one another and each color develops its own image which is transferred to the paper by the transfer belt This type of system is faster and allows for a higher quality print This is one of the first cartridges where HP Canon really seems to have gone out of their way to make a toner cartridge very difficult to remanufacture The waste chamber which consists of the waste chamber OPC drum PCR wiper and recovery blades is plastic welde
8. NER CARTRIDGE REMANUFACTURING INSTRUCTIONS TAKING TEST PRINTS Demo Page 1 Press the left and right Arrows simultaneously The Demo page will print out NO Configuration Page 1 Press the left or right arrow until REPORTS appears on the display 2 Press SELECT 3 Press the left or right arrow until CONFIG REPORT appears on the display 4 Press SELECT Supplies Status Page 1 Press the left or right arrow until REPORTS appears on the display 2 Press SELECT 3 Press the left or right arrow until SUPPLIES STATUS appears on the display 4 Press SELECT Cleaning Page 1 Press the left or right arrow until SERVICE appears on the display 2 Press SELECT 3 Press the left or right arrow until CLEANING MODE appears on the display 4 Press SELECT 5 A page will run slowly through the printer REPETITIVE DEFECT CHART Developer Roller Sleeve 24 7mm Primary Charge Roller 26 7mm RS Roller 32 9mm Transfer Rollers 37 7mm ETB Rollers 54 5mm Fuser Sleeve 56 6mm Fuser Pressure Roller 62 8mm OPC Drum 75 4mm CARTRIDGE TROUBLESHOOTING Dirty Primary Charge Roller PCR Will show on the test print as vertical gray streaks down the page or as a gray background throughout the page If there is any physical damage it will repeat at intervals of 26 7mm Dirty PCR Connection Will result in dark black horizontal bars across the page or as shading throughout the page Scratched Drum Will show up a
9. ant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS the www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS and proceed to the next step for FINAL CARTRIDGE ASSEMBLY ctions 67 Fit the doctor blade assembly into place as shown Make Sure it adheres properly to the foam seal underneath UCTI 5 WAAAY CIN inva 68 Apply a very small amount of conductive grease to the 69 Prior to securing the doctor blade insert a gapping tool contact plate ends Install the contact plate with the two between the doctor blade and the hopper and adjust to the Phillips screws original gap measurement taken in Step 39 Install the two screws onto the doctor blade assembly www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are in
10. bly and lower pressure roller The lower pressure roller presses the page up into the upper heating assembly which then melts the toner into the paper The upper heating assembly consists of a flexible sleeve with a ceramic heating coil inside This type of fuser affords instant on fusing with little to no wait time and low power consumption UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS OPC DRUM CLEANING The drum is cleaned after the image is transferred to the paper by the wiper blade This part is fairly standard the wiper blade scrapes the toner off the drum and the recovery blade guides it into the waste chamber these cartridges do not use a transfer plate to move the waste toner into the back of the cartridge PRINTER CALIBRATION At the start of all this is the calibration cycle The printer will calibrate itself whenever the printer is turned on when a new toner cartridge is installed after 48 hours of run time and at 150 page intervals Calibration consists of a solid block and halftone of each color being
11. d glued together The drum axle bushings are permanently attached to the waste chamber The only way to get into the waste chamber is to either physically break or cut the cartridge apart or to cut the drum drive gear with a hack saw New drums are available with special gears and new replacement waste chambers are now also available that include the waste chamber new removable drum axles bushings foam seals electrical contacts and PCR holders The kit will also contain the screws springs and plastic pins that will be needed to re assemble the cartridge If you want to re use the waste chamber you will have to cut the OEM drum apart This is explained in a later step The waste chamber for these cartridges is very small The aftermarket toner has to be very efficient to prevent leakage due to the waste over flowing The chips in these cartridges are the same as most other HP color cartridges the chip does not need to be changed in order for the cartridge to work The toner low circuitry will be disabled but after the user presses the SELECT button the cartridge will work The display will then alternate from READY to Unauthorized Supply in Use PRINTERS BASED ON THE 2600 ENGINE HP Color LaserJet 1600 HP Color LaserJet 2600n HP Color LaserJet 2605dn HP Color LaserJet 2605dtn HP Color LaserJet CM1015 MFP HP Color LaserJet CM1017 MFP CARTRIDGES USED IN THESE MACHINES Q6000A Black 2 500 pages at 5 106 00 List Q
12. d information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS Drive Coupling Main Drive Hopper Gear Dev Roller Gear Feeding Roller Gear 43 Remove the three outer gears indicated by blue arrows 44 With the outer gears removed remove the screw that These are the Drive Coupling Main Drive and Feeding Roller holds the roller support plate in place Gears This will allow access to the roller support plate beneath Note the positioning of all the gears for reassembly 45 Remove the screws from both ends of the doctor blade 46 Using a small flathead screwdriver pry the doctor blade assembly out from one side then continue on the other side to release it from the adhesive strip beneath it UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 47 Carefully lift the doctor blade out as shown 48 Gently clean the working edge of the doctor blade with a
13. e installing the new seal It offers a fast and easy way to seal the hopper without split ting the cartridge No clips rails or insertion tools are needed Using a small flathead screwdriver force the used exit seal plug out as shown 56 Bend both ends of the seal backward exactly as shown 57 Insert the folded tips through the exit seal port opening as shown Avoid peeling the adhesive backing during insertion UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 58 With the seal completely inserted pull the white adhesive 59 Adhere the small section to the hopper to secure the seal backing to reveal a small section as shown 60 With the seal in place pull the white backing to reveal the 61 Apply pressure to properly adhere the remaining seal to remaining portion the hopper UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warr
14. eal assembly only OMONDORWNHPE REQUIRED SUPPLIES 1 Replacement toner for use in HP 2600 Black 2 500 pages Cyan Magenta Yellow 2 000 pages 2 Replacement smartchip for use in HP 2600 Black 2 500 pages Cyan Magenta Yellow 2 000 pages 9 Replacement OPC drum with special gears for use in HP 2600 EP 30 7 10 Coating solution for the developer roller sleeve 11 Fill plug seal adhesive or sealing tape required for filling and sealing toner OPTIONAL SUPPLIES 1 Replacement doctor blade 2 Replacement wiper blade 3 Quickseal adhesive recommended for alternate cartridge seal assembly uniNnet www Uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS CARTRIDGE DISASSEMBLY METAL PIN REMOVAL 1 Locate the metal pin on the contact side of the cartridge Drill a parallel hole 2 5mm x 3mm deep just above it to allow extraction with needle nose pliers Carefully pull the metal pin out maneuvering with the pliers Do not force the pin out as this may damage the contact plates inside The consequences are explained in St
15. een the two cartridge T7 Pull the sections apart far enough to grasp with your hands sections shown to wedge them apart for separation 8 Carefully remove the tension springs from the tabs from both sides of the cartridge The spring tabs are very fragile NOTE Remember the positioning of both springs for reassembly Their sizes are different The spring on the right that is marked with a black stripe is actually smaller and has more tension than the spring to the left UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 9 With the springs now removed carefully separate the two 10 We can now see the internal electrical contact where the sections of the cartridge metal pin was removed in Step 2 Any undue force in pulling the pin can warp this metal contact rendering it useless 11 Unhook the drum shutter from the support tab on both sides of the drum unit www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are
16. ep 10 PLASTIC PIN REMOVAL 2 Use a 2mm 078 conical boring tool Shown or a 14 13 wood screw for this procedure Locate the upper white plastic pin hole on the non contact side of the cartridge Thread three or four times to firmly anchor the tool into hole UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 3 Pull the pin straight out to dislodge it from the cartridge 4 Pin extracted 5 Using a scriber or small screwdriver pry off the OPC drum shutter hinges from the top of the cartridge shown UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 6 Insert a flathead screwdriver betw
17. ge This is where there are some large differences from monochrome printers The first step in the transfer stage is where the transfer roller which is located directly opposite each OPC drum places a positive DC bias charge on the back of the ETB or transfer belt Each toner cartridge has a separate transfer charge roller At the same time the paper is moving between the OPC drum and the ETB As the ETB passes the transfer charging roller the positive charge is picked up and draws the negatively charged toner off the drum onto the paper This process is repeated for each color cartridge As the toner piles onto the paper the positive charge on the paper weakens as the paper runs through each cartridge For this reason the charge is increased on the transfer charging roller for each successive color ETB belt ____ E Paper Fuser pressure roller Static charge eliminator Paper o Fuser film unit DC bias Photosensitive drum T y Fuser heater The paper separates from the ETB belt as the belt reaches the top of its path and turns back down to start the process again The static charge on the back of the paper is decreased with static charge eliminator This helps stabilize the paper feed and also prevents toner flares spots under low temperature and low humidity conditions In the fifth stage the image is then fused onto the paper by the fuser assembly The fuser Assembly is comprised of the upper heating assem
18. how compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 16 The OPC can now be removed 17 Carefully lift the OPC and slide it out in the manner shown 18 Push out the remaining spindle piece through the end cap 19 Using a pair of needle nose pliers gently lift up the PCR from one side UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 20 Slide it out in the manner shown 21 In case of contamination clean with a small amount of water and mild soap Otherwise use a simple dry pad 22 First remove the two Phillips screws from the wiper blade Be careful not to crease or damage the PCR contact strip on top UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned
19. iNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 76 Place the X Acto knife below the chip s base and lift upward to slide it out of its housing 78 Slide the new aftermarket chip into the housing as shown Make sure the gold plated contacts face outward Allow the cement to dry before testing the cartridge T7 Apply a tiny amount of plastic cement along the inner grooves of the chip housing prior to inserting the new chip This will bond the chip to the housing and keep it from falling out during handling or transport NOTE Do not apply excessive amounts of cement that can spread onto and contaminate the contacts rendering the chip useless www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TO
20. intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com 12 Drum shutter shown completely removed HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS DRUM CARTRIDGE DISASSEMBLY OPC REMOVAL 13 To remove the drum and access the internal components beneath we would need to cut off and remove the white plastic non contact spindle circled from the blue axle housing end cap shown A hacksaw is required for this procedure First use a scriber or small flathead screwdriver to wedge a gap between the OPC and the blue axle housing as shown The gap should be wide enough to saw through the white spindle only and avoid any unwanted damage to the end cap 14 Carefully saw into the white plastic spindle and stop when it reaches halfway Do not saw all the way through 15 Rotate the drum 90 in the direction shown and continue cutting until the spindle reaches a breaking point This will keep the saw from dropping too far and damage any components below NOTE Do not rotate the drum in the opposite direction Doing so can scratch up the wiper blade below it UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to s
21. ll retain the higher negative charge Each color cartridge has its own laser and scanner units UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS Photosensitive drum Primary charging roller Developing sheet Cartridge chip leveloping cylinder iis Stirrer blade DC bias Toner Feed Roller The third or developing stage is where the toner is developed on the drum by the developing section or supply chamber which contains the toner particles The development stage is actually made up of two steps toner charging and the actual development In the toner charging stage the toner stirring blade turns inside the hopper As it turns friction causes a negative potential to develop on the toner In addition a foam feed roller brings the toner to the developer roller and also places a negative charge on the toner These two charges ensure a uniform charge on the toner Once the toner is properly charged the toner will coat the developer roller The toner is also held onto the developer roller by an
22. me and the main adheres well to the OEM adhesive strip underneath Tighten contact with the two Phillips screws being careful not to crease or damage the PCR contact strip on top 29 We now need to clean the PCR contact strip and black PCR 30 Using a cotton tip swab clean the edges and underlining saddles where residual toner may still be present of the PCR blade www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 31 Clean the black PCRsaddles on both sides of the 32 Apply a small amount of conductive grease into the cartridge using a cotton tip swab Apply a small amount of saddles Do not over lubricate them isopropyl alcohol for best results 33 Slide the cleaned PCR into the saddle on one side then place the other side using a pair of needle nose pliers UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information
23. other negative DC bias voltage This voltage is controlled by the printer s intensity setting and causes either more or less toner to be attracted by the developer roller This in turn will either increase or decrease the print density The developer roller also has an AC bias signal placed on it which makes the jump from the developer roller to the drum easier The amount of toner on the developer roller is controlled by the doctor blade which uses pressure to keep the amount of toner on the roller constant Attached to the doctor blade is what is called a developing sheet This sheet improves the print quality and helps prevent toner scatter As the laser exposed areas of the OPC drum approach the developer roller the toner particles are attracted to the drum s surface due to the opposite voltage potentials of the toner and laser exposed areas of the OPC drum uniNnet www Uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS ETB belt _ Transfer roller L z DC bias Photosensitive drum The fourth stage is the transfer sta
24. r Error 50 1 Low Fuser Temp 50 2 Slow Fuser 50 3 High Fuser Temp 51 2X Printer Error 51 20 Black Scanner error 51 21 Cyan Scanner error 51 22 Magenta Scanner error 51 23 Yellow Scanner error CALIBRATE NOW If you are experiencing problems with color in the printouts the CALIBRATE NOW feature can be run This forces a calibration cycle to run This procedure does not always fix the issue but it can 1 Press the left or right arrow until SYSTEM SETUP appears on the display 2 Press SELECT 3 Press the left or right arrow until PRINT QUALITY appears on the display 4 CALIBRATE COLOR will appear on the display 5 Press SELECT 6 Press the left or right arrow until CALIBRATE NOW appears on the display T Press SELECT 8 Press the SELECT to start the calibration UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com
25. s a very thin perfectly straight line that runs from the top to the bottom of the test page Chipped Drum Will result in a dot or series of dots that repeat at 75 4mm intervals Damaged Developer Roller Sleeve Will either leave a mark or a blank spot depending on the type of damage at intervals of 24 7mm Light Damaged Drum Will show up as a shaded area on the test print that should be white Again this will repeat at intervals of 75 4mm Bad Wiper Blade Will result in vertical gray lines down the page or as shading across the entire page In either case there will be a film of toner on the drum surface uniNnet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS COMMON PRINTER ERROR MESSAGES 10 000x Supply Error Chip cannot be read or cartridge not properly installed 10 0000 Black cartridge 10 0001 Cyan cartridge 10 0002 Magenta cartridge 10 0003 Yellow cartridge 10 100x Supply Error Missing Cartridge 10 1000 Black cartridge 10 1001 Cyan cartridge 10 1002 Magenta cartridge 10 1003 Yellow cartridge 50 X Fuse
26. ser block i 6 Fuser Transfe block Y G Separation iti i Photosensitive anster i drum C Ses ee tee ee el ee ee ae Electrostatic latent i image formation block l l ___ LLL LLL lL OLN 5 es ee ree ee i Registration l Development block Dh ey ee eS fae ce ah ee ee Cassette pick up Manual feed pick up HP 2600 COLOR PRINTING THEORY The color toner cartridge printing process happens in a series of stages or steps For the purpose of this article we will call them stages The above diagram shows the basic layout of the cartridges and how they relate to one another and the printer In the first stage the Primary Charge Roller PCR places a uniform negative DC voltage on the OPC drum surface The amount of the negative DC voltage placed on the drum is controlled by the printer s intensity setting ms cea area Time t gt 100 Exposed area Laser beam 500 Surface potential V gt Primary Laserbeam Transfer Primary Unexposed area charging exposure step 4 charging step1 step2 step1 In the second stage the laser beam is fired onto a rotating mirror called the scanner As the mirror rotates the beam is reflected into a set of focusing lenses The beam then strikes the drums surface reducing the negative charge and leaving a latent electrostatic image on the drum The areas where the laser did not strike the drum wi
27. tended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS JOINING THE CARTRIDGE SECTIONS 70 Join both sections aligning the pin insertion points Insert the metal pin back into place as shown until a click is heard 71 Insert the plastic pin halfway with your finger as shown 72 Using a small hammer tap in the remaining portion of the plastic pin until it is completely inserted UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 73 Install the appropriate tension springs to their original positions refer to Step 8 74 Cartridge assembly complete REPLACING THE CHIP 75 Locate the OEM chip at the rear of the hopper Using an X Acto knife carefully cut away the melted top plastic tabs that hold the chip in place UniNet www uninetimaging com 2012 Un
28. ticle is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 51 Use a vacuum to clean residual toner from the roller and REFILLING THE TONER HOPPER hopper Secure the foam seal at each end for reassembly 52 Refilling can be done through the opening between the mag roller and the feeding roller Use a 12mm beak and load You must now follow one of the following options the proper toner amount To refill the toner hopper now follow Steps 53 and 54 then skip to step 68 To install a cartridge seal skip to Step 55 53 Insert the bushings on each end of the developer roller and slide it into place gear side first as shown Proceed directly to the final cartridge assembly Instructions on Step 68 UniNet www uninetimaging com 2012 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names mentioned are intended to show compatibility only UniNet Imaging does not warrant downloaded information Unauthorized sale reproduction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com HP LASERJET 2600 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS ALTERNATE QUICKSEAL ASSEMBLY 55 With the exit seal removed be sure to clean the hopper 54 A Quickseal adhesive is recommended for this procedure thoroughly befor
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