HP Latex 1500 User guide - Page 120

CAUTION: Observe precautions when handling printheads because they are ESD-sensitive devices (see the Glossary on page 425). Avoid touching pins, leads and circuitry. The printer's six-color writing system uses 3 dual-color printheads with a total of 31,680 nozzles, and an HP Latex Optimizer printhead with 10,560 nozzles. WARNING! Printheads should be stored vertically: if boxed, with the box arrows pointing up; if out of the box, with the nozzle cap up. Remove a printhead During the installation of the printer, the designated personnel received training for safe operation and maintenance of the printer. See a video here: www.hp.com/go/Latex3000/Replace_Printhead NOTE: This video applies to HP Latex 800, HP Latex 1500 and HP Latex 3x00 Series printers. WARNING! This operation is limited to trained personnel only! NOTE: It is not allowed to use the printer without this training. Table 7-1 Warnings Removing a Printhead Risk of burns Crush hazard Risk of trapped fingers Hazardous moving part Electric shock hazard For more safety information, see Safety precautions on page 2 If a printhead develops an electrical fault or overheats, the Internal Print Server will indicate that it should be reseated or replaced. In addition, you may wish to replace a printhead if its warranty has expired or if you feel that its performance is not adequate. Replacing the printheads The following steps provide the complete procedure for this topic. 112 Chapter 7 Handle the ink system ENWW