Canon imagePROGRAF iPF755 iPF755 User Manual Ver.1.30 - Page 854

Problems with the printing quality, Printing is faint

Page 854 highlights

Troubleshooting > Problems with the printing quality > Problems with the printing quality Printing is faint ...838 Paper rubs against the Printhead ...839 The edges of the paper are dirty ...840 The surface of the paper is dirty ...840 The back side of the paper is dirty ...841 Printed colors are inaccurate ...841 Banding in different colors occurs ...842 Colors in printed images are uneven ...842 Image edges are blurred or white banding occurs 843 The contrast becomes uneven during printing 844 The length of printed images is inaccurate in the feeding direction 844 Images are printed crooked ...845 Documents are printed in monochrome ...845 Line thickness is not uniform ...845 Lines are misaligned ...845 Problems with the printing quality caused by the type of paper 846 Printing is faint Cause Corrective Action You may be printing on the wrong side of the paper. Print on the printing surface. The Printhead nozzles are clogged. Print a test pattern to check the nozzles and see if they are clogged. (See "Checking for Nozzle Clogging.") →P.795 Because the printer was left without After the ink tanks have been installed for 24 hours, run Head Cleaning B from ink tanks installed for some time, the Control Panel. ink has become clogged in the ink (See "Cleaning the Printhead.") →P.796 12 supply system. Paper is jammed inside the Top Cover. Follow the steps below to remove the jammed piece of paper inside the Top Cover. 1. Open the Top Cover and make sure the Carriage is not over the Platen. 2. Remove any scraps of paper inside the Top Cover. (See "Clearing Jammed Roll Paper.") →P.826 (See "Clearing a Jammed Sheet.") →P.830 3. Close the Top Cover. 838 The ink was not dry when paper Specify a longer drying period in the Control Panel menu, in Paper Details > was cut. Roll DryingTime. (See "Menu Settings.") →P.716 Printing may be faint if Print Quality in Advanced Settings in the printer driver is set to Standard or Draft. In Advanced Settings of the printer driver, choose Highest or High in Print Quality. Printing in Draft or Standard mode is faster and consumes less ink than in Highest or High modes, but the printing quality is lower. (See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →P.54 Printing is faint iPF755

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Problems with the printing quality
Printing is faint
.................................................................................................................................................
838
Paper rubs against the Printhead
....................................................................................................................
839
The edges of the paper are dirty
.....................................................................................................................
840
The surface of the paper is dirty
......................................................................................................................
840
The back side of the paper is dirty
..................................................................................................................
841
Printed colors are inaccurate
...........................................................................................................................
841
Banding in different colors occurs
...................................................................................................................
842
Colors in printed images are uneven
...............................................................................................................
842
Image edges are blurred or white banding occurs
..........................................................................................
843
The contrast becomes uneven during printing
................................................................................................
844
The length of printed images is inaccurate in the feeding direction
................................................................
844
Images are printed crooked
.............................................................................................................................
845
Documents are printed in monochrome
..........................................................................................................
845
Line thickness is not uniform
...........................................................................................................................
845
Lines are misaligned
.......................................................................................................................................
845
Problems with the printing quality caused by the type of paper
......................................................................
846
Printing is faint
Cause
Corrective Action
You may be printing on the wrong
side of the paper.
Print on the printing surface.
The Printhead nozzles are clogged.
Print a test pattern to check the nozzles and see if they are clogged.
(See "
Checking for Nozzle Clogging
.")
→P.795
Because the printer was left without
ink tanks installed for some time,
ink has become clogged in the ink
supply system.
After the ink tanks have been installed for 24 hours, run
Head Cleaning B
from
the Control Panel.
(See "
Cleaning the Printhead
.")
→P.796
Paper is jammed inside the Top
Cover.
Follow the steps below to remove the jammed piece of paper inside the Top
Cover.
1.
Open the Top Cover and make sure the Carriage is not over the Platen.
2.
Remove any scraps of paper inside the Top Cover.
(See "
Clearing Jammed Roll Paper
.")
→P.826
(See "
Clearing a Jammed Sheet
.")
→P.830
3.
Close the Top Cover.
The ink was not dry when paper
was cut.
Specify a longer drying period in the Control Panel menu, in
Paper Details
>
Roll DryingTime
.
(See "
Menu Settings
.")
→P.716
Printing may be faint if
Print
Quality
in
Advanced Settings
in
the printer driver is set to
Standard
or
Draft
.
In
Advanced Settings
of the printer driver, choose
Highest
or
High
in
Print
Quality
.
Printing in
Draft
or
Standard
mode is faster and consumes less ink than in
Highest
or
High
modes, but the printing quality is lower.
(See "
Giving Priority to Particular Graphic Elements and Colors for Print-
ing
.")
→P.54
Troubleshooting
>
Problems with the printing quality
>
Printing is faint
iPF755
12
838