HP LaserJet 6P

• Code: 19
• Image:
• Description: Primary light pattern
• Remedy: When the ERROR and DATA LEDs are on, press [Go] and [Reset] simultaneously. Follow the instructions for the secondary light patterns shown.

• Code: 20
• Image:
• Description: Error 50
  fuser
• Remedy: A temporary error has occurred.
  – Turn the printer off for 20 minutes to clear the temporary 50 Error.
  The power is low or unstable (for example, in a brownout).
  – Locate and verify a stable power source.
  The fuser is defective.
  The DC controller is defective.

• Code: 21
• Image:
• Description: Error 57/ 58
  (main motor)
• Remedy: The main motor is not functioning properly.
  – Check for any binding in the motor or gear train. Check the connection to the DC controller, and then replace the main motor or the DC controller as necessary.
  The fan cable is improperly fitted.
  – Check the fan cable; reseat the fan cable if necessary.
  The fan is defective.

• Code: 22
• Image:
• Description: Error 61.1/ 62.1
• Remedy: The SIMM in slot x is improperly fitted.
  The SIMM in slot x is defective.
  The formatter PCA is defective.
  Note: If x=0, the SIMM slot could not be determined.
  The internal memory is defective. (x=0)
  – Replace the formatter PCA.
  The SIMM in slot x is defective.
  The font cartridge (x=5) is defective.

• Code: 23
• Image:
• Description: All other errors
• Remedy: Check the software; drivers; memory PCAs; font, macro, or personality; cartridges; and optional I/O cards. Check the toner cartridge for defects. Remove any accessories (such as font cartridges, memory PCAs, and SIMMs) that are plugged into the formatter PCA; reprint the file. If the problem persists, verify proper setup with the application vendor.
  The formatter PCA is defective.

• Code: 24
• Image:
• Description: Error 63
  service error
• Remedy: The formatter PCA is defective.
  – Replace the formatter PCA.