ink transferred to the page, you will continue to see high-quality printing results even when the ink levels
are getting low.
The front panel displays the status of the Ink Cartridge. Using the front panel, detailed information can
be checked on the Ink Cartridges.
The following table lists the Ink Cartridges for the HP Designjet T7100 printer series.
Description Part number
HP 761 Matte Black 400 ml Ink Cartridge CM991A
HP 761 Yellow 400 ml Ink Cartridge CM992A
HP 761 Magenta 400 ml Ink Cartridge CM993A
HP 761 Cyan 400 ml Ink Cartridge CM994A
HP 761 Gray 400 ml Ink Cartridge CM995A
HP 761 Dark Gray 400 ml Ink Cartridge CM996A
HP 761 Matte Black 775 ml Ink Cartridge CM997A
Printheads
The printheads are connected to the ink cartridges. They use jet action to put ink on the paper. Each
printhead has two ink cartridge connection points and two jet nozzles, which means that each
printhead accommodates two ink cartridges. For example, the following printhead image indicates a
printhead that draws and jets ink from the magenta and yellow cartridges.
The Printheads are extremely durable and do not need to be replaced every time an Ink Cartridge is
replaced. They are independent of the Ink Cartridges and will continue giving excellent image quality
results even if the Ink Cartridges are low on ink.
If you notice a decline in print quality such as lines or dots missing from text/graphics, go to
Initial
print-quality troubleshooting actions on page 146.
The following table lists the Printheads for the HP Designjet T7100 printer series. The Matte Black &
Matte Black Printhead is used in both the color and the monochrome printers. The Dark Gray Printhead
is used in the monochrome printer only.
Description Part number
HP 761 Yellow Printhead CH645A
HP 761 Magenta & Cyan Printhead CH646A
78 Chapter 4 Ink supplies ENWW
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