• Code: 66.80.73
• Display: 66.80.YY Stapler/Stacker failure
• Description: An external paper handling accessory error has occurred.
  Flush request in checking paper path
• Remedy: Turn the product off, and then on. If the error persists, replace the paper handling device.

• Code: 66.80.74
• Display: 66.80.YY Stapler/Stacker failure
• Description: An external paper handling accessory error has occurred.
  Checking paper path start in PDLV
• Remedy: Turn the product off, and then on. If the error persists, replace the paper handling device.

• Code: 66.80.75
• Display: 66.80.YY Stapler/Stacker failure
• Description: An external paper handling accessory error has occurred.
  Flush request in flush
• Remedy: Turn the product off, and then on. If the error persists, replace the paper handling device.

• Code: 66.80.76
• Display: 66.80.YY Stapler/Stacker failure
• Description: An external paper handling accessory error has occurred.
  Non-flush complete
• Remedy: Turn the product off, and then on. If the error persists, replace the paper handling device.

• Code: 69.11.YY
• Display: 69.11.YY Error To continue turn off then on
• Description: Duplexer error
• Remedy: Turn the product off, and then on. If the error persists, replace the duplexer.

• Code: 70.00.00
• Display: 70.00.00 Error To continue turn off then on
• Description: DC controller failure
• Remedy: Turn the product off, and then on. If the error persists, replace the DC controller.

• Code: 79.XX.YY
• Display: 79.XX.YY Error To continue turn off then on
• Description: This error can be caused by corrupted print jobs, software application issues, non-product specific printer drivers, poor-quality USB or network cables, bad network connections or incorrect network configurations, invalid firmware operations, or unsupported accessories.
• Remedy: 1. Turn the product off, and then on. 2. If the error persists, check the following: - The error might be caused by a network connectivity problem, such as a bad interface cable, a bad USB port, or an invalid network configuration setting. - The error might be caused by the print job, an invalid print driver, a problem with the software application, or a problem with the file you are printing. Make sure you are using the correct printer driver. Try printing using a different software application. Try printing a different file or print job. - Upgrading the product firmware might resolve the problem.

• Code: 80.0X.YY
• Display: 80.0X.YY Embedded JetDirect error
• Description: Embedded HP JetDirect print server critical error - 80.01.80 No heartbeat - 80.01.81 Reclaim timeout - 80.01.82 Invalid data length - 80.01.8B Invalid max outstanding packet header field - 80.01.8C Invalid channel mapping response - 80.03.01 No PGP buffers - 80.03.02 Channel table full - 80.03.03 Producer index not reset - 80.03.04 Consumer index not reset - 80.03.05 Queue position size too small - 80.03.06 Transport overflow - 80.03.07 No overflow packets - 80.03.08 Invalid identify response - 80.03.09 Invalid channel map return status - 80.03.1080.03.10 Invalid reclaim return status - 80.03.12 Datagram invalid buffer - 80.03.13 Max stream channels - 80.03.14 Max datagram channels - 80.03.15 Card reset failed - 80.03.16 Self test failure - 80.03.17 Unknown PGP packet - 80.03.18 Duplicate I/O channel
• Remedy: Turn the product off, and then on. If the error persists, replace the formatter.