HP 1050c Service Manual - Page 61

CAUTION HP No.80 Ink Supplies Troubleshooting Some General Precautions When Handling HP No.80 Supplies Do not touch, wipe or attempt to clean the printhead nozzles. This can damage the printhead. Do not touch, wipe or attempt to clean the printhead nozzles. This can damage the printhead. C6074297a Handle the HP No.80 supplies with care. In particular the printhead, which is a high precision device and must be handled carefully. n Do not touch the printhead nozzles. n Do not put the printhead down on the nozzles. n Do not be rough when handling the printheads. Always set them down gently. n Do not drop the printheads. n Proper handling will assure optimum performance throughout the printhead life. n The printhead cleaner should always be handled and stored upright to avoid a potential spillage of ink. n Do not touch the end of the ink cartridge which is inserted into the printer as there may be a small amount of ink on the connection. n Avoid storing partially used ink cartridges on their ends. HP DesignJets 1050C and 1055CM Printers Service Manual 3-5