HP 5500dn HP Designjet 5500 series - User Guide - Page 410

printhead error messages XX15 Replace XX16 Replace XX17 Replace XX18 Replace XX21 Replace XX20 Recover internal electrical failure. The printer was printing: Printhead temperature has reached an excessive level. It is possible to continue to print with this printhead, but it may void the printhead warranty if you continue for long periods. The printhead smartchip detects an unsupported manufacturer. The printhead has 1. If the quality of your prints is reached a degradation fine, try a manual recovery level that prevents the and/or re-insertion. After this printer producing the printer may detect a acceptable image quality recovery and will accept the consistently. 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. The printhead is losing If the image quality is its capability to produce acceptable, you will not need to the best image quality take any action. Continue using consistently. the printhead until the The printhead is still able "Replace" message is to produce good image displayed. quality. However this is If the image quality is NOT the first symptom of an acceptable: aging printhead. 1. Try using the image quality print. 2. If, after you have performed the recovery procedure, the image quality is still not acceptable, see general setup recommendations © 2002 hewlett-packard company file:///C|/Documents%20and%20Settings/---/Desktop/HP/html/p0166.htm (2 of 2) [8/5/2002 4:28:36 PM]