Print quality issues happen occasionally in the daily use of inkjet printers. here we work out failure causes and solutions on some common issues.

1. Incomplete and Faint Print

· Causes:

· Ink is low;

· The nozzle is clogged.

· Solution:

1. Check the ink level first and change the ink cartridge if the ink is low;

2. If the ink is not low, then the nozzle is clogged and please clean the ink cartridge.

2. Horizontal Faint Stripes

· Causes:

· The print head is too dirty;

· The print head is too close with the print roller

· The paper is too thick.

· Solutions:

· Uninstall the print head and wash it or adjust the distance between the print head and print roller.

3. Ink Stains and Cross Colors

· Causes:

· The external ink cartridge is lifted 50mm higher than the horizontal plane of the print head;

· The ink cartridge is overfilled, causing the siphon breakpoint missing.

· Solutions:

1. Place the ink cartridge at the same horizontal plane as the printer and wait for 2 hours to return to normal. If ink stain happens again, then wash the print head;

2. Wet out a color ink-jet paper with ethyl alcohol and then press the paper feed key to let the paper pass in and out for 10 times;

3. Perform the cleaning and print test in the printer’s application program.