Samsung_ML_2250_Reman_eng_Layout 1
Contents
1. pry the blade up Be careful not to damage the alignment pins This PCR cleaner also has what can be considered a wiper blade It is a very flimsy blade attached to the metal bar Wipe this blade down with a clean lint free cloth before re installing It is very important that the PCR cleaner be cleaned Vacuum or blow off any residual toner from the foam felt 9 With the PCR cleaner assembly removed the drum can eas 10 Press in on the bottom tab of the developer roller plate ily be removed by lifting it out right gear side to release it Clean out any remaining toner from the cartridge Uninet IMAGING INC SUMM CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 11 With a small common screwdriver press the entire plate 12 Gently pry out the roller plate from the cartridge The foam towards the edge of the developer roller cavity and lift up The seal and possibly a plastic flat washer will come out with it Be plate should come loose careful not to damage the foam seal or loose the flat washer 13 Remove t2. 232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS The standard cartridge Samsung part ML 2250D5 XAA comes new with 120g toner and is rated for 5 000 pages at 5 coverage Other brands based on the 2250 have a low yield cartridge rated for 3 000 pages They are also listed in the chart below In some cases the cartridges do not have the branded part number on them For those cases we have listed the part numbers that are on the cartridge label Samsung manufacturing code OEM Part Samsung ML2250 2250M 2251 2251N 2251NP 2252 2252W 2255G ML 2250D5 XAA Samsung SCX 4520 4720 4720F SXC4720D3 XAA SXC4720D5 XAA Dell 1600n 310 5416 310 5417 Xerox Phaser 3150 109RO0 746 109RO0747 Xerox WorkCentre PE120 PE120i 109ROO601 109ROO6O06 REQUIRED TOOLS e Toner approved vacuum e A small common screw driver e A Phillips head screwdriver e Needle nose pliers REQUIRED SUPPLIES Secondary Chip Typical Aftermarket Toner Weight ML 2250D5 XAA SXC4720D3 XAA SXC4720D5 XAA KR OK46 71 KR OK4210 ML2250D4 P31540 ML2250D
3. 5 P31541 SXC4 20D4 PE120 SXC4720D5 PE121 e Samsung 2250 Toner either 75g or 120g depending on yield e Conductive Grease e Drum lubricating powder SUMM CHNOLOGIES Uninet IMAGING INC 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 1 Place the cartridge with the handle facing up Remove the 2 On the front edge of the cartridge there are two tabs Press five top cover screws these two tabs in and lift the front edge of the cover up 3 Next to the handle of the cartridge to the right and left there 4 With the toner hopper away from you remove the four are two more plastic tabs GENTLY press them in and remove screws on the left side end cap Remove the end cap the cover CAUTION The upper half of the toner hopper is being removed If there is a lot of toner left in the hopper it can dump out all over Vacuum the hopper clean Uninet IMAGING INC SUMMIT CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninet
4. SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS SAMSUNG ML 2250 TONER CARTRIDGE SUMMAN TECHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS REMANUFACTURING THE SAMSUNG ML 2250 TONER CARTRIDGE By Mike Josiah First released in July 2004 the Samsung ML 2250 printers are based on a 22ppm 1200dpi engine These cartridges are very similar to the ML 1750 but there are differences The main difference is that some of the ML 1 750 cartridges have a fuse to reset the printer The ML 2250 cartridges use a series of dif ferent chips The actual ML 2250 doesn t use anything but all the rest so far use a special chip A chart below will list all the different variations These images show different views of the cartridge basically the 2250 series are a bit flatter than other Samsungs These cartridges do not have a drum cover and come new with a piece of heavy paper taped around the cartridge All new cartridges opened so far have shown some toner leakage on the drum that would have shown on any prints see QuniNet 3
5. ages Test pages from these machines are very easy to run Timing is the only issue here Demo Page Press and hold the CANCEL button for 2 seconds A demo page will print out Configuration Page Press and hold the CANCEL button for 6 seconds The config uration page will print out Cleaning Page Press and hold the CANCEL button for 10 seconds The 27 Install the five screws in the top cover cleaning page will print out Uninet IMAGING INC SUMMIT CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS COMMON CARTRIDGE PROBLEMS Even Light Prints Check to see if the Toner Save feature has been enabled The Toner Save light will be on This is accessed from the printer driver properties Dirty or Bad Primary Charge Roller PCR Located Inside the Cartridge This will show on the test print as vertical gray streaks down the page as a gray background throughout the page as ghosting where part of a previously printed area is repeated or as a mark that repeats every 38mm Dirty PCR Connection This wil
6. eceiving data the ONLINE ERROR LED will blink slowly If the printer is printing the ONLINE ERROR LED will blink fast The ONLINE ERROR will also blink if it is in the manual feed mode and no paper is in the manual feeder or if the CANCEL button was pressed while the printer was receiving data uniNet SUMMI CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 techsupport uninetimaging com www uninetimaging com 2009 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
7. es not warrant downloaded information SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 23 Install the right side end cap and 4 screws Make sure the 24 Fill the hopper with the appropriate amount of toner PCR fits correctly in its holder and all the gears are aligned This can also be done through the fill plug but the fill plug tends to leak and will probably have to be sealed with silicon 25 Replace the chip Make sure the chip you install is the cor rect one for the machine it is to be installed in New reset boxes are now available that can change the personality of the chip across the full line This will enable you to test the car tridge in your test machine and than change the chip to work in your customer s machine if different gt Uninet IMAGING INC SUMM CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 26 Carefully snap the cover on making sure all the tabs lock in place NOTE All of the following is based on the ML 2250 Other branded machines may be different Printing Test P
8. he developer roller Be careful not to damage or 14 It is highly recommended that the doctor blade be cleaned lose the flat washers on the roller Failure to do so will cause streaking The doctor blade can be cleaned with out removing it Dampen a cotton swab with alco hol and clean the blade Be careful not to press too hard and damage the blade If the blade has a heavy buildup of toner on it clean it with acetone and then alcohol Removing the blade is difficult because of the foam seals attached If the seals are torn the cartridge will leak That is why we do not recommend it Once replacement doctor blades are available they will have to come with replacement foam gt Uninet IMAGING INC SUMMIT CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 16 If no grease is left on the gears and gear shafts or it is contaminated with toner clean it all off Replace it with white lithium grease Be sure to clean and grease the gear shafts and inside the gear 15 Replace the developer roller and flat washers 17 Ins
9. imaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 5 Remove the four screws on the right side end cap Remove the end cap amp iyat EE TU 6 Remove the PCR T7 Also on the right side there is a series of gears under the end cap Make a note of the location of each gear and remove them Clean the PCR with your normal PCR cleaner WARNING Do not clean the OEM PCR with alcohol as this will remove the conductive coating from the roller If the PCR is an aftermarket follow the cleaning methods recommended by the manufacturer If the PCR is an OEM we recommend it be cleaned with your standard PCR cleaner gt Uninet IMAGING INC SUMMIT CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS 8 There are two screws on the PCR cleaner assembly Remove them and gently
10. l show as horizontal dark black bars across the page or as shading throughout the page Scratched Drum This will show a very thin perfectly straight line that runs from the top to the bottom of the test page Chipped Drum This will show as a dot or series of dots that repeat every 76mm Light Damaged Drum This will show up as a Shaded area on the test print that should be white Again this will repeat every 76mm Bad Wiper Blade This will show as either a gray line approximately 1 8 thick or as shading across the entire page In either case there will be a film of toner on the drum surface Bad Developer Roller This will show up as light print or as a mark that repeats every 44mm Machine Error Codes These machines do not have a display panel They use a series of LED s to indicate a problem There are two lights on the control panel the ONLINE ERROR and the TONER SAVE lights The Online light is a two color LED Red and Green The user manual for these machines only has very basic information listed as follows 1 If both lights are blinking the machine has problems and needs service 2 If the ONLINE light is on steady RED and the toner save light is off there could be a number of problems Either there is a paper jam the front cover is open or the toner cartridge is empty 3 If the ONLINE light is on blinking GREEN and the toner save light is off there could also be a number of problems or reasons If the printer is r
11. tall the roller plate Make sure the tab is locked in place 18 Replace the roller plate and seven gears Look carefully at the picture of the gears Each gear must fit in this exact way The gears labeled in order of installation uninet e www uninetimaging com SUMMIT CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com 2009 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 SAMSUNG ML 2250 CARTRIDGE REMANUFACTURING INSTRUCTIONS it 4 gt e i 20 Install the PCR cleaner assembly 19 Install the new drum in place 22 Install the PCR Make sure that the PCR gear is on the cor rect side and that the shaft is in the PCR holder 21 Clean the conductive grease off the left side non gear end cap and replace with fresh grease Replace the end cap and four screws SU Uninet CHNOLOGIES 3232 West El Segundo Blvd Hawthorne California 90250 USA Ph 1 424 675 3300 Fx 1 424 675 3400 e techsupport uninetimaging com www uninetimaging com 2009 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 do
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