• Code: 51.10
• Display: 51.XY ERROR - To Continue Turn Off Then On
• Description: A temporary printing error has occurred.
  Beam detect error
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 3. Replace the laser/scanner assembly. 4. Replace the dc controller PCA.

• Code: 51.20
• Display: 51.XY ERROR - To Continue Turn Off Then On
• Description: A temporary printing error has occurred.
  Laser error
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 3. Replace the laser/scanner assembly. 4. Replace the dc controller PCA.

• Code: 52.0
• Display: 52.XY ERROR - To Continue Turn Off Then On
• Description: A temporary printing error has occurred.
  Scanner error
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 3. Replace the laser/scanner assembly. 4. Replace the dc controller PCA.

• Code: 52.1
• Display: 52.XY ERROR - To Continue Turn Off Then On
• Description: A temporary printing error has occurred.
  Scanner startup error
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 3. Replace the laser/scanner assembly. 4. Replace the dc controller PCA.

• Code: 52.2
• Display: 52.XY ERROR - To Continue Turn Off Then On
• Description: A temporary printing error has occurred.
  Scanner rotation error
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reseat the connectors between the laser/scanner and dc controller PCA (J83 and J84). 3. Replace the laser/scanner assembly. 4. Replace the dc controller PCA.

• Code: 53.10.01
• Display: 53.10.0X - Error Unsupported DIMM
• Description: A memory error has occurred.
  Unsupported memory/DIMM
• Remedy: Remove the unsupported DIMM, and then try using a different DIMM.

• Code: 54.01
• Display: 54.<XX> Error
• Description: A sensor error has occurred.
  Temperature
• Remedy: Turn the MFP off, and then turn the MFP on. If the error reappears, record the message and contact support.

• Code: 54.XX
• Display: 54.<XX> Error
• Description: A sensor-related error has occurred.
• Remedy: Turn the device off then on. If the error reappears, write down the message and contact HP support.