Canon imagePROGRAF iPF680 User Manual

6 Press ▲ or ▼ to select Adj. Quality, and then press the OK button.
7 Press ▲ or ▼ to select Manual, and then press the OK button.
Test pattern A is printed for manual adjustment.
Note
• When printing on sheets, follow the instructions on the Display Screen and remove the sheet.
8
Examine test pattern A for adjustment. Determine the
pattern in which banding is least noticeable.
Note
• If banding seems least noticeable in two patterns but you cannot decide which one is better, choose an inter-
mediate value.
For example, choose 11 if you cannot decide whether pattern 10 or 12 is better.
9 Press ▲ or ▼ to select the pattern number you have decided, and then press the OK button.
Test pattern B is printed for adjustment.
Note
• If you printed test pattern A on a sheet, follow the instructions on the Display Screen and use another sheet of
the same type of paper.
Additionally, after test pattern B is printed, follow the instructions on the Display Screen and remove the sheet.
10 Examine test pattern B for adjustment. Determine the pattern in which banding is least noticeable.
11 Press ▲ or ▼ to select the pattern number you have decided, and then press the OK button.
The adjustment value is now registered, and adjustment is complete.
Fine-Tuning the Paper Feed Amount
Fine-Tuning the Paper Feed Amount
If the contrast is uneven or banding in different colors appears at 50 mm (2.0 in) intervals in printed documents, try
executing Adj. Fine Feed during printing to fine-tune the feed amount.
Note
• The Adj. Fine Feed menu is only displayed during printing.
Additionally, it is displayed when you have selected Automatic or Print Quality in Adj. Priority in Feed Priority.
(See "Menu Settings.") ➔P.456
• Always execute Adj. Quality before Adj. Fine Feed.
Once you execute Adj. Quality, the Adj. Fine Feed value will revert to 0.
(See "Automatic Banding Adjustment.") ➔P.532
(See "Manual Banding Adjustment.") ➔ P.534
Perform adjustment as follows.
1
On the Tab Selection screen of the Control Panel, press ◀ or ▶ to se-
lect the Settings/Adj. tab ( ).
iPF680 Fine-Tuning the Paper Feed Amount
User's Guide
Adjustments for Better Print Quality Adjusting the feed amount
535

Canon imagePROGRAF iPF680 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	-
Maximum roll length	18 m
Media width (rolls)	254 - 609.6 mm
Media width (sheets)	203.2 - 609.6 mm
Maximum roll diameter	150 mm
Paper tray media types	Coated paper, Cut sheet, Plain paper, Roll
ISO A-series sizes (A0...A9)	A1, A2, A3
ISO B-series sizes (B0...B9)	B2, B4
Certification	RoHS
Product color	Black, Grey
Sound pressure level (printing)	47 dB
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
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	757 mm
Width	997 mm
Height	507 mm