HP C7770B HP Designjet 500 Plus - Pocket Guide - Page 93
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UPC - 725184439704
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front-panel error messages Message Explanation and Action INK CARTRIDGES need to be functional. Replace before replacing printheads Install missing cartridges and replace empty cartridges before replacing printheads You have attempted to replace printheads, but the printer has detected that there are ink cartridges that are wrong. The ink cartridges must be replaced before the printheads can be replaced. First replace the faulty, empty or missing ink cartridges and then replace the printheads. See "Replacing Ink Cartridges" on page 35 and "Replacing Printheads" on page 38 on the reverse of this Pocket Guide. You are replacing printheads, but the printer has detected that some cartridges are empty and some are missing. The empty cartridges must be replaced and the missing ones inserted before the printheads are replaced. Follow the procedure for replacing empty cartridges, described on page 38 on the reverse of this Pocket Guide. Press the Enter or Cancel key to continue. Front-Panel Error Messages 29