HP Color LaserJet Enterprise CP4020 Service Manual - Page 407

Table 3-14 Control-panel messages (continued) Description Recommended action YELLOW CARTRIDGE VERY LOW YELLOW CARTRIDGE VERY LOW To continue press OK The product indicates when a supply level is very low. Actual print cartridge life might vary. Consider having a replacement print cartridge available to install when print quality is no longer acceptable. You do not need to replace the print cartridge at this time unless print quality is no longer acceptable. After an HP supply has reached the very low threshold, the HP premium protection warranty for that supply has ended. If print quality is no longer acceptable, replace the print cartridge. See Print cartridges on page 74. The product indicates when a supply level is very low. Actual print cartridge life might vary. Consider having a replacement print cartridge available to install when print quality is no longer acceptable. You do not need to replace the print cartridge at this time unless print quality is no longer acceptable. After an HP supply has reached the very low threshold, the HP premium protection warranty for that supply has ended. Press the OK button to continue. If print quality is no longer acceptable, replace the print cartridge. See Print cartridges on page 74. ENWW Tools for troubleshooting 375