Technical Reference
Page 55
...Required - 40021 Close Tray Top X X Close Tray Top Cover Cover Intervention Required - 40021 Cover Open, Close X X Printer Upper Door Open Top Covers, Close Door, or Insert Cartridge Intervention Required - 40021 Insert Print X X Insert Print Cartridge ...Door Intervention Required - 40021 30 Invalid Refill X X Invalid Refill Change Cartridge Intervention Required - 40021 31 Defective X X Defective Ink Cartridge Cartridge CMYK* Intervention Required - 40021 31 Defective Print X X Defective Print Cartridge Cartridge Intervention Required - 40021 31 Missing...
...Required - 40021 Close Tray Top X X Close Tray Top Cover Cover Intervention Required - 40021 Cover Open, Close X X Printer Upper Door Open Top Covers, Close Door, or Insert Cartridge Intervention Required - 40021 Insert Print X X Insert Print Cartridge ...Door Intervention Required - 40021 30 Invalid Refill X X Invalid Refill Change Cartridge Intervention Required - 40021 31 Defective X X Defective Ink Cartridge Cartridge CMYK* Intervention Required - 40021 31 Defective Print X X Defective Print Cartridge Cartridge Intervention Required - 40021 31 Missing...