• Code: 20.4
• Display: 20.X Insufficient memory To continue touch OK
• Description: The device received more data than can fit in the available memory. You might have tried to transfer too many macros, soft fonts, or complex graphics.
  EIO disk
• Remedy: Touch OK to print the transferred data (some data might be lost), and then simplify the print job or install additional memory.

• Code: 20.5
• Display: 20.X Insufficient memory To continue touch OK
• Description: The device received more data than can fit in the available memory. You might have tried to transfer too many macros, soft fonts, or complex graphics.
  USB device or external device
• Remedy: Touch OK to print the transferred data (some data might be lost), and then simplify the print job or install additional memory.

• Code: 21
• Display: 21 Page too complex To continue touch OK
• Description: The page formatting process was not fast enough for the device.
• Remedy: Touch OK to print the transferred data. (Some data might be lost.) If this message appears often, simplify the print job.

• Code: 22
• Display: 22 EIO <X> buffer overflow To continue touch OK
• Description: Too much data was sent to the EIO card in the specified slot (X). An incorrect communications protocol might be in use.
• Remedy: Touch OK to print the transferred data. (Some data might be lost.)

• Code: 22
• Display: 22 Embedded I/O buffer overflow To continue touch OK
• Description: Too much data was sent to the embedded HP Jetdirect print server.
• Remedy: Touch OK to print the transferred data. (Some data might be lost.) 1. Turn the power off, and then on. 2. Check wire harness connectors.

• Code: 22
• Display: 22 USB I/O buffer overflow To continue touch OK
• Description: Too much data was sent to the USB buffer.
• Remedy: Touch OK to clear the error message. (Data will be lost.) 1. Turn the power off, and then on. 2. Check wire harness connectors. 3. Try sending the print job from a different computer.

• Code: 30.1.1
• Display: 30.1.1
• Description: Flatbed cover open The scanner flatbed cover is open.
• Remedy: 1. If the cover is open, close the cover. 2. If the cover is closed, check the cover sensor at the right rear of the scanner for correct mechancical functionality. 3. Check connector 9 on the scanner control board. 4. Replace the lid sensor assembly or replace the scanner.

• Code: 30.1.15
• Display: 30.1.15
• Description: Scanner initialization failed. Scanner controlboard failure.
• Remedy: 1. Turn the device off and then turn the device on. 2. Check the connections between the scanner control board and the formatter. 3. If the message persists, replace the scanner control board.