![]() In conclusion, the HP Photosmart C4780 is an all-in-one printer that offers decent printing, copying, and scanning capabilities. The package weight of this printer is 5987 grams which is relatively light compared to other printers. The maximum scan area that this printer can cover is 216 x 297 millimeters. This printer is equipped with an all-in-one multitasking feature that is useful for people who need multiple functions in a single device. With a copy speed of 9 copies per minute for black printing at normal quality, it is reasonably quick. The power consumption is 20 W during average operating which is not much of an energy hog. The maximum number of copies that this printer can produce is 30 and the maximum output capacity is 15 sheets. It has a 64 MB internal memory that helps in efficient printing and a maximum copy resolution of 1200 x 1200 DPI. With a print speed of 9 pages per minute for black printing at normal quality, it is suitable for light to medium-duty printing needs. Please click “ Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.The HP Photosmart C4780 is an all-in-one printer that offers printing, copying, and scanning functions. If the issue persists, I'd suggest you contact HP in your region regarding the service options for your printerĪnd, Welcome to the HP Support Community. If the error persists, clean the cartridge and carriage contacts a second time. Repeat these steps for the other cartridge if it was indicated in the error message.Ĭlose the door or lid to the cartridge access area. Wait 10 minutes for the contacts to dry, and then reinsert the cartridge into its color-coded slot. Lightly dampen a lint-free cloth or swab with distilled water, and then clean the electrical contacts in the carriage. Lightly dampen a lint-free cloth with distilled water, and then wipe the copper-colored contacts on the cartridge. Touching or trying to remove these parts can result in clogs, ink failure, and bad electrical connections. Holding the cartridge by the sides, remove any protective tape that still might be on the contacts.ĭo not touch the ink nozzles or the copper-colored electrical strip. Remove the cartridge indicated in the error message from the carriage.Ĭarriages with cartridge latches: Open the latch, and then pull the cartridge up and out of the slot.Ĭarriages without cartridge latches: Gently press down on the cartridge to release it, and then pull it out of the slot. Wait until the carriage stops moving before continuing. ![]() ![]() Open the door or lid to the cartridge access area. Remove any debris or buildup from the contacts on the cartridges and in the carriage. Turn on the printer to complete the reset.Ĭlean the ink cartridge and carriage electrical contacts.HP recommends plugging the printer directly into a wall outlet. Reconnect the power cord to a wall outlet and to the printer.Unplug the power cord from the power source.With the printer turned on, disconnect the power cord from the printer.If your printer has a rechargeable battery, remove it.Reset the printer to recover from printer errors or failures. I understand you are facing a cartridge error on the printer. ![]() Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet. ![]() DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions. ![]()
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