Canon imagePROGRAF IPF720 User Manual

Cleaning the Printer
Cleaning the Printhead
Cleaning the Printhead may help clear nozzles that are clogged.
Note
• Y ou can specify a number of pages in the printer ’ s Noz. Check Freq. menu for automatic nozzle
checking and cleaning every time you nish printing that quantity . ( → P .50)
• Y ou can start Head Cleaning A by holding down the Information button for three seconds or more.
Cleaning the Printhead
1. Press the Menu button to display MAIN MENU .
2. Press ▲ or ▼ to select Head Cleaning , and then press the ► button.
3. Press ▲ or ▼ to select the type of cleaning, and then press the OK button.
• Head Cleaning A
Use Head Cleaning A if printing is faint or contains foreign substances. This method of cleaning
consumes the least amount of ink. It takes about three minutes to complete.
• Head Cleaning B
Use Head Cleaning B if no ink comes out of the printhead, or if Head Cleaning A does not solve the
problem. It takes about four minutes to complete.
The printhead is cleaned, and the printer goes online.
4. Print a test pattern to check the nozzles, and determine whether cleaning has cleared the
nozzles. ( → P .516)
Note
• If printing does not improve after Head Cleaning A , try Head Cleaning B . If this does not solve
the problem, repeat Head Cleaning B two or three times. If this still does not improve printing, the
Printhead may have reached the end of its useful life. Contact your Canon dealer .
Caution
• Do not remove the Maintenance Cartridge or Ink T anks during cleaning.
Maintenance 541

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)