HP Designjet T7100 User Manual

							Table 4-2  Paper (continued)
Paper type g/m² Length WidthPart numbers
HP Banner and Sign Material
HP Durable Semi-gloss Display Film 255 15.2 m (50 ft) 914 mm (36 in)Q6620B (EN)
HP Opaque Scrim 486 15.2 m (50 ft) 610 mm (24 in)Q8675A (N)
914 mm (36 in) Q1898B (AEN)
1067 mm (42 in) Q1899B (AEN)
HP Matte Polypropylene 130 22.9 m (75 ft) 914 mm (36 in)Q1903A (AEN)
1067 mm (42 in) Q1904A (AEN)
HP Everyday Matte Polypropylene 120 30.5 m (100 ft) 610 mm (24 in) CH022A (EN)
914 mm (36 in) CH023A (EN)
1067 mm (42 in) CH025A (EN)
61 m (200 ft) 914 mm (36 in) CH024A (N)
HP Durable Banner with Du Pont
Tyvek 140 22.9 m (75 ft)
914 mm (36 in)CG821A
1067 mm (42 in) CG822A
Non-recommended paper types
In many cases, paper types  that HP does not support might be co mpatible with your printer. However,
the following paper types are unlike ly to give satisfactory results:
● Photo paper that swells
● Brochure paper
ENWW Order paper
43
Handle the paper
 
						

							5 Handle the ink system
●Ink system components
●
Ink system tips
●
Work with ink system components
●
Order ink supplies
44 Chapter 5   Handle the ink system ENWW
Handle the ink system
 
						

							Ink system components
Ink cartridges
The T7100 printers six ink cartridges provide black, yellow, magenta, cyan, gray and dark gray ink to
the printheads. The T7100 Mono printer ha s two ink cartridges, black and dark gray.
Ink cartridges require no maintenance or cleaning. When each in k cartridge is shaken vigorously
before installation, and inserted correctly into its sl ot, the ink will flow to the printheads. Because the
printheads control the amount of ink that is transfe rred to the page, high-quality printing results continue
even when the ink levels are getting low.
CAUTION: Avoid touching pins, leads, and circuitry wh en handling ink cartridges because these
elements are sensitive to electros tatic discharge. Such devices are called ESD-sensitive devices. See
Glossary on page 204. Electrostatic discharges are one of th e main hazards to electronics products.
This type of damage can reduce the  life expectancy of the device.
Replace ink cartridges
To check the ink levels in the ink cartridges:
●Press the 
 key repeatedly until you see the ink levels, or
● Select the 
 icon, then  Ink cartridge information.
The front panel warns you when cartridge ink level is  low. When a cartridge is empty, the printer stops
printing and the front panel provides an explanation.
ENWW Ink system components
45
Handle the ink system
 
						

							HP recommends that you replace the empty cartridge with a new HP cartridge. See Order ink supplies
on page 67, Remove an ink cartridge on page 48, and Insert an ink cartridge on page 50.
Although it is possible to use  refilled or non-HP ink cartridges , either choice has several serious
disadvantages:
● There is some risk of damaging the printer. In th
is case the printer warranty will not be valid for
any printer repairs that are related to the  cartridge, nor for any problems due to ink
contamination.
● You will invalidate the warranty of all printhea
ds of the same color used in the printer
subsequently, unless and until the whole ink sy stem (including ink tubes) is replaced.
● Print quality may be impaired.
● The printer will be unable to esti
mate the ink level in the cartridge, and will report it as empty.
If you decide to use refille d or non-HP ink cartridges, you will need to follow these instructions to make
the printer use a cartridge that it believes to be empty.
1. Install the cartridge in the printer (see 
Insert an ink cartridge on page 50
).
2. The front panel will complain that the cartridge is empty, and the cartridge removal process will
start. Press the 
Cancel key to stop this automatic process.
3. At the front panel, select the 
 icon; highlight  Replace ink cartridges , but do not select it.
4. Press the 
Cancel key and the  Up key at the same time, and hold them down for at least two
seconds.
5. The front panel will display a series of warning me
ssages. In response to each message, press the
Cancel  key to cancel th e process, or the  OK key to confirm that  you wish to continue.
When you have pressed  OK in response to all warning messages, the front panel will give the usual ink
cartridge status display, but the refilled or non-HP  cartridge will be shown as empty with a warning
sign.
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 co nnection points and two sets of nozzles, which means that each
printhead can print in two different colors. For ex ample, the printhead below prints in magenta and
yellow.
The printheads are extremely durable and do  not need to be replaced every time an ink cartridge is
replaced. They provide excellent results even when the ink cartridges contain a low level of ink.
46 Chapter 5   Handle the ink system ENWW
Handle the ink system
 
						

							To maintain optimum print quality, the printheads are automatically tested at regular intervals, and
automatically serviced wh en necessary. This takes a little time  and can occasionally delay printing.
When a printhead eventually needs to be re placed, the front panel will display a message.
To check the status of the printheads:
● Press the 
 key repeatedly until you see the printheads status, or
● Select the 
 icon, then  Printhead information.
CAUTION: Avoid touching pins, leads, and circuitry wh en handling ink cartridges because these
elements are sensitive to electros tatic discharge. Such devices are called ESD-sensitive devices. See
Glossary on page 204. Electrostatic discharges are one of th e main hazards to electronics products.
This type of damage can reduce the  life expectancy of the device.
Maintenance cartridge
Use the maintenance cartridge to clean and maintain  the printheads, ensure the best possible print
quality, and seal the printheads when they ar e not in use to prevent them from drying out.
NOTE:The maintenance cartridge cont ains liquid. Therefore, store any maintenance cartridges
upright and on a flat surface.
Ink system tips
For best results, always follow these guidelines:
● Install the ink cartridges, printheads, and maintena
nce cartridge before the install-by date, which
is printed on the packaging. The expiration fo r the ink cartridges is the manufacturing date
marked on the cartridge plus 30 months.
● Follow the instructions on the front panel during installation.
● Allow the printer and the maintenance cartridge to clean the printheads auto
matically.
● Avoid unnecessary remo
val of the ink cartridges and printheads.
● The ink cartridges should never be removed while the printer is printing. They should be removed
only when the printer is ready for you to repl
ace them. The front panel guides you through the
removal and installation  procedures (or see 
Remove an ink cartridge on page 48 and Insert an
ink cartridge on page 50.
● Make sure that you comply with all applicable 
laws and regulations when disposing of ink system
consumables.
NOTE: Shake the ink cartridges vigorous ly before installing them. See Insert an ink cartridge
on page 50.
ENWW Ink system tips
47
Handle the ink system
 
						

							Work with ink system components
Remove an ink cartridge
Ink cartridges should be removed for the following two reasons:
● The ink cartridge is very low and you want to 
replace it with a full cartridge for unattended
printing. You can use the remaining ink in the first cartridge at a more convenient time.
● The ink cartridge is empty or faulty, and yo
u must replace it to continue printing.
CAUTION:The procedure to remove an ink cartridge must  be initiated from the front panel. Do not
remove an ink cartridge until the front panel prompts you.
CAUTION: Remove an ink cartridge only if yo u are ready to insert another one.
WARNING!Make sure that the printer wheels are lo cked (the brake lever is pressed down) to
prevent the printer from moving.
1. At the front panel, select the  icon, then select  Replace ink cartridges .
2.Grip the blue tab in front of the 
cartridge that you want to remove.
48 Chapter 5   Handle the ink system ENWW
Handle the ink system
 
						

							3.Pull the blue tab down and then pull it outwards, towards you.
4.The cartridge comes out, in its drawer.
5.Lift the cartridge out of its drawer.
NOTE:
Avoid touching the end of the cartridge that  is inserted into the printer, because the
connection might be coated with ink.
NOTE: If necessary, store a partially-used ink cartridge in the same position as if it were inserted
in the printer. Avoid using a  partially-used cartridge that has been stored on its end.
ENWW Work with ink system components
49
Handle the ink system
 
						

							6.The front-panel display identifi
es the missing ink cartridge.
Insert an ink cartridge
1.Pick up the new ink cartridge and find the label that
 identifies the ink color. Hold the ink cartridge
so that you can see the label at the  top of the side that is facing you.
2. Check that the colored label above the empty slot 
in the printer matches the color of the label on
the cartridge.
3. Shake the cartridge vigorously for about 15 seconds.
4. Insert the ink cartridge into the cartridge drawer.
5.Slide the drawer and cartridge into the 
slot until they lock into position.
If you have difficulty, see Cannot insert an ink cartridge on page 165.
50 Chapter 5   Handle the ink system ENWW
Handle the ink system
 
						

							6.The front-panel display confirms that all 
cartridges have been correctly inserted.
Remove a printhead
WARNING!Make sure that the printer wheels are lo cked (the brake lever is pressed down) to
prevent the printer from moving.
Printhead replacement must be perf ormed after the printer has been turned on with  the hard power
switch at the back of the printer.
1. At the front panel, select the 
 icon, then select  Replace printheads .
2.The printer moves the carriage
 into the correct position.
CAUTION:If the carriage remains in the removal po sition for more than 3 minutes without
inserting or removing any printheads , it will attempt to return back to its home  position to the right.
3.When the carriage has stopped moving, the front 
panel prompts you to open the printer window.
ENWW Work with ink system components
51
Handle the ink system
 
						

							4.Locate the carriage on the right side of the printer.
5.Pull up and release the latc
h on top of the carriage.
6.Lift up the cover. This provid
es access to the printheads.
7.To remove a printhead, lift up the blue handle.
52 Chapter 5   Handle the ink system
ENWW
Handle the ink system