Memjet MACH 5 - The Printhead Cartridge

SECTION 3
TROUBLESHOOTING
15
The ink used in this system may be harmful if swallowed.
Keep new and used printhead cartridges and ink tanks out of reach of children.
Discard unwanted printhead cartridges and empty ink tanks immediately.
The Printhead Cartridge
The Memjet printhead cartridge contains over 70,000 inkjet nozzles. These nozzles are divided into ten
rows; two rows of nozzles for each color channel. Due to the high number of nozzles; it is not uncommon
for some nozzles to become contaminated or clogged.
CONDITION PROBLEM SOLUTION
Mixed, mottled, muddy or
distorted colors.
Ink color channel mixing within the
printhead cartridge/nozzles.
Print Engine was opened to angle
greater than 60º.
Incompatible media.
Table is not level.
Printer was not powered-down
properly. Printhead may not have
been cleaned or capped. Ink system
may not have been stabilized.
Refer to “Printhead Cartridge
Conditioning”.
Do NOT open Print Engine
to angle greater than 60º.
Use inkjet suitable media
Make sure table, that printer
is placed on, is level.
Make sure to power-down
the printer using the ON/OFF
button, before shutting off
the Main Power Switch.
Thin, crisp vertical line(s) of
missing color.
Clogged printhead nozzle(s).
Electrical failure or poor electrical
connection at printhead.
Clean the Printhead.
Reseat the Printhead.
Replace the Printhead &
wiper roller.
Irregular or Jagged vertical
line(s) of missing color.
Air in the system. Air bubbles
blocking nozzle(s).
Print Engine was opened to angle
greater than 60º.
Refer to “Printhead Cartridge
Conditioning”.
Do NOT open Print Engine
to angle greater than 60º.
Black scuff marks on media
or image smudging occurs.
Media is making contact with the
printhead surface.
Install the Head Media
Guide.
Try adding/removing PPS
spacers.
Run the media in a different
orientation.
Incompatible media. Use
media that is not bent, bowed
or buckled.
Blurry/Grainy Images
Partially clogged nozzle(s).
Incompatible media.
Low quality image being sent to
printer.
Damaged/scratched nozzle surface
Clean the Printhead.
Use inkjet suitable media.
Use high quality graphics
that are compatible with your
software program.
Replace the Printhead &
wiper roller.