• Code: 10.23.35
• Display: 10.YY.35 Incompatible <supply>
• Description: The indicated cartridge is not compatible with this product.
  Fuser CAUTION: The fuser might be hotBe careful when removing the fuser.
• Remedy: Install a supply that is designed for this product.

• Code: 10.23.50
• Display: 10.23.50
• Description: The fuser kit life was reset above the order threshold. A new fuser was installed.
• Remedy: No action necessary.

• Code: 10.23.51
• Display: 10.23.51
• Description: The fuser kit life was reset above the replace threshold. A new fuser was installed.
• Remedy: No action necessary.

• Code: 10.23.52
• Display: 10.23.52
• Description: The fuser kit life was reset above the reset threshold. A new ITB was installed.
• Remedy: No action necessary.

• Code: 10.23.70
• Display: 10.23.70 Printing past very low
• Description: The product indicates when fuser kit is very low. The actual remaining fuse kit life might vary. You do not need to replace the fuser kit at this time unless print quality is no longer acceptable. CAUTION: After an HP supply has reached the very low threshold, the HP premium protection warranty ends.
• Remedy: If print quality is no longer acceptable, replace the fuser kit.

• Code: 10.23.70
• Display: 10.XX.70 Printing past very low
• Description: The product indicates when one of the consumables is very low. The actual remaining consumable life might vary. You do not need to replace the consumable at this time unless print quality is no longer acceptable.
  The product indicates when the fuser kit is very low. The actual remaining fuser kit life might vary. You do not need to replace the fuser kit at this time unless print quality is no longer acceptable.
• Remedy: If print quality is no longer acceptable, replace the indicated print cartridge or fuser kit.

• Code: 10.31.15
• Display: 10.YY.15 Install <supply>
• Description: The indicated supply has been removed or installed incorrectly.
  Toner collection unit (TCU)
• Remedy: Replace or install the indicated supply.

• Code: 10.39.50
• Display: 10.39.50 New Document Feeder Kit
• Description: A new document feeder maintenance kit has been installed and New Document Feeder Kit has been selected from the control panel menus.
• Remedy: No action necessary.