| Cause | Corrective Action |
| Line Drawing/Text is selected when printing images in many solid colors. | In Print Priority in the Advanced Settings of the printer driver, choose Image. |
| You are printing on paper that curls easily. | Printed colors may appear uneven on the leading edge of paper that is susceptible to curling. Select a stronger level in VacuumStrngth in the Control Panel menu to increase suction against the paper, or specify a leading margin of 20 mm (0.79 in) or more.
(See "
Adjusting the Vacuum Strength (VacuumStrngth) (iPF8400)
.") |
| Printed colors may be uneven if you set the Print Quality too low. | Choose a higher level of Print Quality in the Advanced Settings of the printer driver.
Printing in Fast or Standard mode is faster and consumes less ink than in Highest quality or High modes, but the printing quality is lower. |
| Color may be uneven between dark and light image areas. | Select Unidirectional Printing in the Advanced Settings of the printer driver. |
| When borderless printing is used, the edge of the paper is cut during printing. Thus, ink density may be slightly uneven at the leading edges. | Specify No in Automatic Cutting in the printer driver before printing. In this case, the paper can be printed without borders on the left and right sides only. Cut the printed document ejected from the printer, and then use scissors or a cutting tool to cut away the edges on the top and bottom. |
| Choose a higher level of Print Quality in the Advanced Settings of the printer driver. |
| The Printhead is out of alignment. | Adjust the Printhead alignment.
(See "
Automatic Adjustment to Straighten Lines and Colors (Head Posi. Adj.) (iPF8400)
.") |
| Allowing printed documents to dry on top of each other may cause uneven colors. | To avoid uneven colors, we recommend drying each sheet separately. |
| Density may be uneven if you use Glossy Paper or Canon Coated Paper. | In Advanced Settings of the printer driver, choose Highest quality or High in Print Quality. |
| 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. |
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 110160 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. |
