• Code: 40.00.01
• Display: 40.00.01 USB I/O buffer overflow
• Description: The USB buffer has overflowed.
• Remedy: Press the OK button to print the transferred data (some data might be lost). Check the host configuration.

• Code: 40.00.02
• Display: 40.00.02 Embedded I/O buffer overflow
• Description: The product has experienced a JetDirect buffer overflow.
• Remedy: Press the OK button to print the transferred data (some data might be lost). Check the host configuration.

• Code: 40.00.03
• Display: 40.00.03 EIO buffer overflow
• Description: Too much data was sent to the EIO card in the specified slot (x). An incorrect communications protocol might be in use.
• Remedy: Press the OK button to print the transferred data (some data might be lost).

• Code: 40.00.04
• Display: 40.00.04 Unsupported USB accessory detected
• Description: The connection between the product and the USB device has been broken.
• Remedy: Press the OK button to clear the error message and continue printing. Remove, and then reinstall the USB device.

• Code: 40.00.05
• Display: 40.00.05 Embedded I/O bad transmission
• Description: The USB device has been removed.
• Remedy: Press the OK button to clear the error message. (Data will be lost.) Install the USB device.

• Code: 41.02.00
• Display: 41.02.00 Error
• Description: A beam detected misprint error.
• Remedy: Turn the product off, and then on. If the error persists, replace the laser/scanner assembly.

• Code: 41.03.YZ
• Display: 41.03.YZ Unexpected size in tray <X>
• Description: The product detected a different paper size than expected.
  • Y = 0 Size mismatch. Detected media is longer or shorter than expected. • Y = A Size mismatch. Detected media too long. • Y = B Size mismatch. Detected media too short. • Z = 1 Source is Tray 1 • Z = 2 Source is Tray 2 • Z = 3 Source is Tray 3 • Z = 4 Source is Tray 4 • Z = 5 Source is Tray 5 • Z = 6 Source is Tray 6
• Remedy: Make sure that the tray is loaded with the correct paper size and that the sliding paper guides are correctly adjusted. Use the Manual/tray bin sensor test to verify that the cassette media switch is correctly functioning. If the error persists, replace the lifter assembly.

• Code: 41.05.YZ
• Display: 41.05.YZ Unexpected type in tray <X>
• Description: The product detected a different paper type than expected.
  • Y = 0 (expected type) Unknown • Y = 1 (expected type) Normal media • Y = 3 (expected type) LBP OHT • Y = 4 (expected type) Glossy media • Y = 5 (expected type) Gloss film • Y = 6 (expected type) Non-assured OHT • Y = 7 (expected type) Heavy media • Y = 8 (expected type) Light media • Y = 9 (expected type) Rough media • Y = A (expected type) Extra heavy glossy media (glossy media 3) • Y = B (expected type) Heavy glossy media (glossy media 2) • Y = C (expected type) Heavy media 3 • Y = D (expected type) Heavy media 2 • Z = 1 (detected type) Normal media • Z = 3 (detected type) LBP OHT • Z = 4 (detected type) Glossy media • Z = 5 (detected type) Gloss film • Z = 6 (detected type) Non-assured OHT • Z = 7 (detected type) Heavy media • Z = 8 (detected type) Light media • Z = 9 (detected type) Rough media • Z = A (detected type) Extra heavy glossy media (glossy media 3) • Z = B (detected type) Heavy glossy media (glossy media 2) • Z = C (detected type) Heavy media 3 • Z = D (detected type) Heavy media 2
• Remedy: Load the tray with the size and type of paper indicated, or use another tray if available. If this message appears and the tray is loaded with the correct paper type, check the print driver settings to make sure they match the tray type settings. Clean the Media Sensor. If the error persists, replace the paper pickup assembly.