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
Page 2
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS REMANUFACTURING THE HP COLOR LJ PRO M452, MFP 477 (CF410//11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGES By Mike Josiah and the Technical Staff at UniNet First released in March 2016, the Pro M452/477 series of color laser printers are based on a 28ppm black & color, 600 DPI engine.
Page 3
4. Needle nose pliers 5. Flat blade (common) screwdriver REQUIRED SUPPLIES 1. Color toner for use in the HP M452/477 series cartridges (check for standard or high yield) 2. New replacement chip (check color, standard or high yield) 3. New long life drum 4.
Page 4
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 3. Slide the screwdriver inside the end cap to the place as 4. Remove the end cap. indicated and gently pry again until the end cap comes free.
Page 5
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 6. Remove the drum from the waste chamber. 7. Remove the PCR. Clean with your preferred PCR cleaner and place aside in a clean area. 8. Remove the two wiper blade screws and the wiper blade.
Page 6
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 9. Clean out all the waste toner from the chamber. Make sure all the wiper blade seals are clean. 10. Coat the new wiper blade with your preferred lubricant and install.
Page 8
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 12. On the supply chamber, remove the two screws from the gear side end cap. Remove the end cap. Be careful of the spring-loaded drum drive gear. It will come loose.
Page 9
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 15. Remove the large and small gears as shown. 16. Slide the developer roller over and remove. Be careful not to lose the two round bushings or alignment tab.
Page 10
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS RIGHT HAND LEFT HAND 17. There are two screws holding the doctor blade in place. The left screw is a normal thread screw. The right side uses a left-hand thread screw.
Page 13
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 21. Install the developer roller. Make sure both ends have the bushings in place and the left side also has the tab bushing, long side up.
Page 14
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 23. Press the inner end cap in place. 24. Install the two gears on the feed and developer roller shafts. 25. Install the drum drive gear.
Page 15
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 27. Cut the chip holder with a flat blade in the two places indicated. Remove and replace the chip. 28. Coat the drum with your preferred lubricant and install the drum in the waste hopper.
Page 16
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS TAB FITS INTO SLOT 29. Place the two halves together. Lift up on the small white drum gear tab, while pulling the end cap out to align them properly.
Page 17
HP PRO M452 / MFP 477 (CF410/11/12/13 A/X-HP 410 SERIES) TONER CARTRIDGE REMANUFACTUIRNG INSTRUCTIONS 31. Install the spring. TAKING TEST PRINTS Supplies Status Page 1. Press OK to open the menus 2. Scroll until “REPORTS” appears on the display 3. Press OK 4.