Canon imagePROGRAF IPF720 User Manual

Printheads
Checking for Nozzle Clogging
If printing is faint or streaked in dif ferent colors, make sure the Printhead nozzles are clear by printing a test
pattern to check the nozzles.
Note
• Y ou can specify a number of pages in the printer ’ s Noz. Check Freq. menu for automatic nozzle
checking every time you nish printing that quantity . ( → P .50)
1. Load unused paper .
• Loading Rolls on the Roll Holder (→P .107)
• Loading Rolls in the Roll Holder Slot (→P .109)
• Loading the Roll in the Printer (→P .1 10)
• Loading the Sheet in the Printer (→P .133)
2. Press the Menu button to display MAIN MENU .
3. Press ▲ or ▼ to select T est Print , and then press the ► button.
4. Press ▲ or ▼ to select Nozzle Check , and then press the ► button.
5. Press ▲ or ▼ to select Y es , and then press the OK button.
The printer goes online and prints a test pattern.
6. Check the printing results.
If the horizontal lines are not faint or incomplete, the nozzles are clear .
If some sections of the horizontal lines are faint or incomplete, the nozzles for those colors
are clogged.
If horizontal lines are faint or incomplete, follow the steps below and check again for nozzle
clogging.
1. Clean the Printhead . ( → P .517)
2. Print a test pattern to check the nozzles.
Note
• If you repeat these steps several times but the horizontal lines are still faint or incomplete, contact
your Canon dealer .
516 Maintenance

Canon imagePROGRAF IPF720 Specifications

Operating Environment

temperature range	59 – 86 F° (15 – 30 C°)
relative humidity	10 – 80% (No Condensation)
acoustic noise operation	52dB (A) or Less

Print Specifications

print resolution max	2400 x 1200 dpi
line accuracy	±0.1% or Less
minimum line weight	0.02mm

Ink and Print-Head

number of nozzles matte black	5, 120 Nozzles
number of nozzles other colors	2, 560 Nozzles per Color
droplet size	4 Picoliter

Media Handling

media width roll feed	10" – 36" (254mm – 914.4mm)
cut sheet width	8" – 36" (203.2mm – 914.4mm)
maximum print length roll feed	59' (18m)

Power

power supply	AC 100–240V (50-60Hz)
power consumption maximum	140W or Less
power off consumption	1W or Less

Weight and Dimensions

printer dimensions	43.1" x 59.3" x 34.3"
dimensions in mm	1507mm x 871mm x 1094mm
weight with stand	Approx. 141 lb (64kg)