HP 5500dn HP Designjet 5500 series printers - Quick Reference Pocket Guide - Page 164

pocket.book Page 22 Friday, June 28, 2002 4:31 PM 22 - front-panel messages Status code XX ranges from 00 - 55 XX21 Replace XX20 Recover printhead status messages Printhead message description Procedure The printhead has reached a degradation level that prevents the printer producing acceptable image quality consistently. The printhead is losing its capability to produce the best image quality consistently. The printhead is still able to produce good image quality. However, this is the first symptom of an aging printhead. 1. If the quality of your prints is fine, try a manual recovery and/or re-insertion. After this the printer may detect a recovery and will accept the printhead. 2. If after a recovery the message persists and the quality of your prints is unacceptable, replace the printhead(s) 3. To continue printing press Enter. If the image quality is acceptable, you will not need to take any action. Continue using the printhead until the "Replace" message is displayed. If the image quality is NOT acceptable, see printhead recovery procedure on page 40.