- Remove and re-install the black Toner Cartridge, then turn the printer off and on.
- Replace the black Toner Cartridge, then turn the printer off and on.
- Remove and re-install the cyan Toner Cartridge, then turn the printer off and on.
- Replace the cyan Toner Cartridge, then turn the printer off and on.
- Remove and re-install the magenta Toner Cartridge, then turn the printer off and on.
- Replace the magenta Toner Cartridge, then turn the printer off and on.
- Remove and re-install the yellow Toner Cartridge, then turn the printer off and on.
- Replace the yellow Toner Cartridge, then turn the printer off and on.
- Turn the printer power off, then on.
- Remove and re-install the Imaging Unit (make sure that Imaging Unit is locked in place). Turn the printer off, then on.
- Remove and re-install the Main Charge Grid. Turn the printer off, then on.
- Remove and re-install the Transfer Kit. Turn the printer off, then on.
- Remove and re-install each of the Toner Cartridges. Turn the printer off, then on.
- Replace the Main Charge Grid. Turn the printer off, then on.
- Replace the Imaging Unit (make sure that Imaging Unit is locked in place). Turn the printer off, then on.
- Replace the Transfer Kit. Turn the printer off, then on.
- Replace the Toner Cartridges. Turn the printer off, then on.
- Remove and re-install the Imaging Unit (make sure that Imaging Unit is locked in place). Turn the printer off, then on.
- Replace the Imaging Unit (make sure that Imaging Unit is locked in place). Turn the printer off, then on.
- If a problem persists for Error 30, clean the sensor. See Cleaning Phaser 750 Printers.
- Check for jammed paper throughout the paper path (especially in paper feeder).
- Remove and re-install the paper feeder and Transfer Kit. Turn the printer off, then on.
- Check for jammed paper in the Fuser. Re-install the Fuser. Turn the printer off, then on.
- Make sure that you have the correct Fuser for your local printer power supply:
- 110-Volt Fuser Part Number 016-1839-00
- 220-Volt Fuser Part Number 016-1840-00
- Replace the Fuser. Turn the printer off, then on.
- Turn the printer off, then on.
- Remove the Duplex Unit (if installed).
- Check for paper under the Upper Tray.
- Turn power off, then on.
- Open left door and remove any jammed media.
- Tun the printer off, then on.
- Remove the media from the Multi-Purpose Tray. Turn the printer off, then on.
- Reinstall the media. Make sure you do not overfill the tray.
- Remove and re-install each Toner Cartridge. Turn the printer off, then on.
- Replace each Toner Cartridge. Turn the printer off, then on.
- Check for jammed paper throughout the paper path (especially in the paper feeder and Fuser).
- Remove and re-install the Fuser. Turn the printer off, then on.
- Slide out and re-insert the paper feeder. Turn the printer off, then on.
- Replace the Fuser. Turn the printer off, then on.
- Remove and re-install the Imaging Unit. Turn the printer off, then on.
- Replace the Imaging Unit. Turn the printer off, then on.
- Turn the printer off, then on.
- Remove and re-install the Imaging Unit. Turn the printer off, then on.
- Replace the Imaging Unit. Turn the printer off, then on.
- Remove and re-install the Fuser. Turn the printer off, then on.
- Replace the Fuser. Turn the printer off, then on.
- Make sure that all four toner cartridges are installed in the printer.
- Turn the printer off, then on.
- Make sure that installed memory DIMM(s) are compatible with printer's image processor board and that they are installed in the proper slot(s).
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