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16. Remove the magnetic roller assembly.

Be careful of the bushings! They are very fragile.

HP PRO MFP M125 SERIES CF283A TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS

© 2014 UniNet Imaging Inc. All trademark names and artwork are property of their respective owners. Product brand names mentioned are intended to show compatibility only.

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17. Remove the doctor blade and two screws.

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Summary of Contents for CF283A

Page 1: ...s 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 www uninetimaging com ...

Page 2: ...ified version of the older P1102 cartridges In fact many parts for those cartridges work in these also Conversion kits are being developed now and should be available as you read this Cartridge troubleshooting will be covered at the end of this article CARTRIDGE THEORY The theory for these cartridges is a little different from past versions so we have covered it here You don t have to know the the...

Page 3: ...C bias voltage placed on the drum is controlled by the printer s intensity setting This process is part of the latent image formation block 2014 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 distr...

Page 4: ...uction or distribution of this article is prohibited For additional support please contact techsupport uninetimaging com www uninetimaging com In the second step the laser beam is fired onto a rotating mirror called the scanner As the mirror rotates the beam reflects into a set of focusing lenses The beam then strikes the OPC s surface which neutralizes the negative charge on the drum and leaves a...

Page 5: ...as voltage is controlled by the printer s density setting and causes either more or less toner to be attracted to the drum This in turn will either increase or decrease the print density Both the primary charge roller s and magnetic roller s DC bias voltages are controlled by the printer s density setting The amount of toner on the magnetic roller sleeve is also controlled by the rubber doctor bla...

Page 6: ...imaging com As the laser exposed areas of the OPC drum approach the magnetic roller the toner particles are attracted to the drum s surface due to the opposite voltage potentials of the toner and laser exposed surface of the OPC drum In the fourth step transfer block the toner image is then transferred to the paper as it passes below the drum by the transfer charge roller which places a positive c...

Page 7: ...minator weakens the attractive forces between the negatively charged drum surface and the positively charged paper This prevents toner dropouts onto the paper at low temperatures and humidity and also prevents paper from wrapping around the drum In the sixth step the image is then fused on to the paper by the fuser assembly which is comprised of the upper fixing film assembly and the lower fuser r...

Page 8: ...drum is cleaned On average approximately 95 of the toner is transferred to the paper during the print cycle As the drum rotates during printing the remaining 5 of toner on the OPC drum is cleaned off by the wiper blade It is then guided into the waste chamber by the recovery blade and stored in the waste chamber The eighth step is where the residual charge is eliminated The primary charge roller p...

Page 9: ...S 2014 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 www uninetimaging com ...

Page 10: ...lick HERE or visit our Website at www uninetimaging com 1 With the handle facing you remove the right side screw and end cap from the cartridge Be careful of the drum cover spring Remove it with the end cap HP PRO MFP M125 SERIES CF283A TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 2014 UniNet Imaging Inc All trademark names and artwork are property of their respective owners Product brand names me...

Page 11: ...TURING INSTRUCTIONS 2014 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 www uninetimag...

Page 12: ... TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 2014 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 uninet...

Page 13: ...nt of conductive grease on to the black holder side of the shaft Just a small amount of grease is more than sufficient HP PRO MFP M125 SERIES CF283A TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 2014 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 download...

Page 14: ... the opposite gear The rod should be touching both the inside of the OPC drum and the edge of the gear C Tap the end of the rod with a hammer working the rod around the entire edge of the gear until the gear comes loose NOTE Gently heating the ends of the drum with a hair dryer or heat gun on low may cause the glue to soften and ease in the removal process Just be careful not to use too much heat ...

Page 15: ...s of the contact gear will meet This will insure a good electrical contact D Dry fit the contact gear in the OPC drum and check for a good contact with an Ohmmeter The reading should be a direct short or no more than 1 or 2 Ohms NOTE When checking the contact place one lead on the drum axle contact and the other on the edge of the drum This way you will not have to pierce the coating that is on th...

Page 16: ...NG INSTRUCTIONS 2014 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 www uninetimaging ...

Page 17: ...emark 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 www uninetimaging com 17 Remove the doctor blade and two screws ...

Page 18: ...hrough the seal porthole Install the plug HP PRO MFP M125 SERIES CF283A TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 2014 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...

Page 19: ... 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 www uninetimaging com 22 Install the doctor blade and...

Page 20: ... REMANUFACTURING INSTRUCTIONS 2014 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 www ...

Page 21: ... REMANUFACTURING INSTRUCTIONS 2014 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 www ...

Page 22: ...5 SERIES CF283A TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS 2014 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 tec...

Page 23: ...MANUFACTURING INSTRUCTIONS 2014 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 www uni...

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