HP Deskjet 6840 Color Inkjet Printer - Manual (Page 142)

After cleaning the print cartridge, reinsert it into the printer.
If the print cartridge status light continues to flash,
replace the print cartridge .
All lights are flashing
Restart the printer.
1. Press the Power button to turn off the printer, then press the Power button to
restart the printer.
Proceed to step 2 if the lights continue to flash.
2. Press the Power button to turn off the printer.
3. Disconnect the printer power cord from the electrical outlet.
4. Reconnect the printer power cord to the electrical outlet.
5. Press the Power button to turn on the printer.
Power-cord light
The light on the power cord illuminates when electricity is flowing through the cord.
If the light is off, then the cord is not receiving power.
11.13 Document prints slowly
Several variables can slow the printer's performance.
Multiple software applications are open
The computer does not have sufficient resources for the printer to print at its
optimum speed.
To increase printer speed, close all unnecessary software programs when printing.
Complex documents, graphics, or photographs are printing
Documents containing graphics or photographs print slower than text documents.
Best or Maximum dpi print mode is selected
The printer prints slower when Best or Maximum dpi is selected as the print quality.
To increase the printer speed, select a different print quality mode.
Printer driver is outdated
An outdated printer driver may be installed.
HP Deskjet 6800 series printer User's Guide
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