Canon imagePROGRAF iPF780 User Manual

Cause Corrective Action
The type of paper specified in the print-
er driver does not match the type loa-
ded in the printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔ P.339
(See "Loading Sheets in the Printer.") ➔ P.356
Make sure the same type of paper is specified in the printer driver as you have loaded in
the printer.
1. Press the Stop button and stop printing.
2. Change the type of paper in the printer driver and try printing again.
Scan Wait Time > Area in the Control
Panel menu is set to Leading edge.
When Scan Wait Time > Area is set to Leading edge, colors may be uneven 110–140
mm from the leading edge. (The position varies depending on the Print Quality setting.)
In this case, select Scan Wait Time > Area > Entire area.
However, note that printing will now take longer.
(See "Menu Settings.") ➔P.414
Image edges are blurred or white banding occurs
Image edges are blurred or white banding occurs
Cause Corrective Action
The Platen suction is too strong. In the Control Panel menu, reduce the level of VacuumStrngth.
(See "Adjusting the Vacuum Strength.") ➔ P.489
Incorrect Printhead alignment value. In the Control Panel menu, set Head Height to a lower height.
(See "Troubleshooting Paper Abrasion and Blurry Images.") ➔ P.481
The type of paper specified in the print-
er driver does not match the type loa-
ded in the printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔ P.339
(See "Loading Sheets in the Printer.") ➔ P.356
Make sure the same type of paper is specified in the printer driver as you have loaded in
the printer.
1. Press the Stop button and stop printing.
2. Change the type of paper in the printer driver and try printing again.
The contrast becomes uneven during printing
The contrast becomes uneven during printing
Cause Corrective Action
The paper feed amount is out of adjustment. Adjust the feed amount.
(See "Adjusting the Feed Amount.") ➔P.483
The type of paper specified in the printer driv-
er does not match the type loaded in the
printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔ P.339
(See "Loading Sheets in the Printer.") ➔ P.356
Make sure the same type of paper is specified in the printer driver as you have loa-
ded in the printer.
1.
Press the Stop button and stop printing.
2. Change the type of paper in the printer driver and try printing again.
The length of printed images is inaccurate in the feeding direction
The length of printed images is inaccurate in the feeding direction
Cause Corrective Action
In the Control Panel menu, Adj. Priority is
set to Print Quality.
Set Adj. Priority to Print Length in the Control Panel menu, and then execute Ad-
just Length.
(See "Adjusting the Feed Amount.") ➔P.483
The type of paper specified in the printer
driver does not match the type loaded in
the printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔ P.339
(See "Loading Sheets in the Printer.") ➔ P.356
Make sure the same type of paper is specified in the printer driver as you have loaded
in the printer.
1.
Press the Stop button and stop printing.
2. Change the type of paper in the printer driver and try printing again.
Image edges are blurred or white banding occurs iPF780
User's Guide
Troubleshooting Problems with the printing quality
542

Canon imagePROGRAF iPF780 Specifications

General

Color	Yes
Printing colors	Black, Cyan, Magenta, Matte black, Yellow
Print technology	Inkjet
Maximum resolution	2400 x 1200 DPI
Page description languages	GARO, HP-GL/2, HP-RTL
Media thickness	0.07 - 0.8 mm
Maximum print size	-
Media width (rolls)	254 - 914.4 mm
Media width (sheets)	203.2 - 914.4 mm
Maximum roll diameter	150 mm
Paper tray media types	Coated paper, Cut sheet, Plain paper, Roll
ISO A-series sizes (A0...A9)	A0, A1, A2, A3
ISO B-series sizes (B0...B9)	B1, B2, B4
USB connector	USB Type-A
USB 2.0 ports quantity	1
Ethernet LAN data rates	10/100/1000 Base-T/TX Mbit/s
Ethernet interface type	Gigabit Ethernet
Certification	RoHS
Product color	Black, Grey
Internal memory	256 MB
Sound pressure level (printing)	48 dB
Compliance industry standards	IEEE 802.3ab, IEEE 802.3u, IEEE 802.3
Power consumption (standby)	0.5 W
Power consumption (typical)	140 W
Storage temperature (T-T)	15 - 30 °C
Operating relative humidity (H-H)	20 - 80 %
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth	877 mm
Width	1304 mm
Height	1062 mm