Error code e1 showing at xerox pro 420? solution..

Rror codes If the printer's front panel displays a message Error XX, find the error code in this table and follow the instructions for resolving the problem. If problems persist, check the Xerox web site www2.tek.com/TekSMART/ or contact service.
Error User Corrective Action Error 01

• 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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