HP Latex 1500 User guide - Page 418

Table 14-1 Decision Table (continued) Mid-tones (section 1) Nozzle health (sectiion 2) Drop detector Possible cause Banding in one color < 300 blocked (that color) < 300 blocked (that color) Other > 300 blocked > 300 blocked Printhead failure N/A < 300 blocked (at least > 300 blocked (at least Drop detection failure one color) one color) Action Continue banding troubleshooting. Continue banding troubleshooting. Hard-clean the printhead, twice if necessary. Replace the printhead. Call your service representative. Hard clean To perform a hard cleaning routine, go to the Internal Print Server, select Printer > Printhead cleaning, select the printhead(s) to clean and press the Hard clean button. Sometimes, when the printhead is quite damaged, running the hard-clean routine twice helps to recover its performance. New printhead is rejected If the printer will not accept a new printhead, try the following steps in sequence: 1. Ensure that the printhead was correctly stored in its orange cap. 2. Ensure that the electrical contacts are clean. 3. Run the primer system diagnostic. 4. Assume that the printhead is faulty, and try another one. 5. If no printhead works in that slot, call your service representative. Automatic Printhead Alignment fails Automatic printhead alignment may fail occasionally. 410 Chapter 14 Troubleshoot ink cartridge and printhead issues ENWW