Error Message 81.YY.ZZ EIO-1 Card Failure for HP LaserJet M601, M602, M603 Series Printers.

HP Say:

81.YY.ZZ EIO-1 Card Failure

Description

An EIO error has occurred.

• 81.01.80 (event code) No heartbeat.
• 81.01.81 (event code) Reclaim timeout.
• 81.01.82 (event code) Invalid data length.
• 81.01.8B (event code) Invalid max outstanding.
• 81.01.8C (event code) Invalid channel mapping.
• 81.03.01 (event code) No PGP buffers.
• 81.03.02 (event code) Channel table full.
• 81.03.03 (event code) Producer index not reset.
• 81.03.04 (event code) Consumer index not reset.
• 81.03.05 (event code) Queue position size.
• 81.03.06 (event code) Transport overflow.
• 81.03.07 (event code) No overflow packets.
• 81.03.08 (event code) Invalid identify response.
• 81.03.09 (event code) Invalid channel map return.
• 81.03.10 (event code) Invalid reclaim return status.
• 81.03.12 (event code) Datagram invalid buffer.
• 81.03.13 (event code) Max stream channels.
• 81.03.14 (event code) Max datagram channels.
• 81.03.15 (event code) Card reset failed.
• 81.03.16 (event code) Self test failure.
• 81.03.17 (event code) Unknown PGP packet.
• 81.03.18 (event code) Duplicate I/O channel.

Recommended action

Turn the product off, and then on. If the error persists, replace the EIO device.