HP Designjet T620 Printer series - Manual (Page 140)

14 Troubleshooting ink cartridge and
printhead issues
● Cannot insert an ink cartridge
● Ink cartridge status messages
● Cannot insert a printhead
● The front-panel display recommends reseating or replacing a printhead
● Clean the printheads
● Clean the printhead drop detector
● Align the printheads
● Printhead status messages
ENWW 137
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