Problems with the printing quality
Problems with the printing quality
Printing is faint .................................................................................................................................................................
97
Paper rubs against the Printhead ............................................................................................................................
97
The edges of the paper are dirty ............................................................................................................................
98
The surface of the paper is dirty .............................................................................................................................
99
The back side of the paper is dirty .........................................................................................................................
99
Printed colors are inaccurate ....................................................................................................................................
99
Banding in different colors occurs .......................................................................................................................
100
Colors in printed images are uneven ...................................................................................................................
100
Image edges are blurred or white banding occurs ........................................................................................
101
The contrast becomes uneven during printing ...............................................................................................
101
The length of printed images is inaccurate in the feeding direction .....................................................
102
Images are printed crooked .....................................................................................................................................
102
Documents are printed in monochrome ............................................................................................................
102
Line thickness is not uniform ..................................................................................................................................
102
Lines are misaligned ....................................................................................................................................................
103
Printing is faint
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.")
➔
User's Guide
Because the printer was left without
ink tanks installed for some time, ink
has become clogged in the ink sup-
ply system.
After the ink tanks have been installed for 24 hours, run
Head Cleaning B
from the Control
Panel.
(See "Cleaning the Printhead.")
➔
P.44
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.85
(See "Clearing a Jammed Sheet.")
➔
P.88
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 Drying-
Time
.
(See "Menu Settings.")
➔
User's Guide
Printing may be faint if
Print Quality
in
Advanced Settings
in the printer
driver is set to
Standard
or
Fast
.
In
Advanced Settings
of the printer driver, choose
Highest
or
High
in
Print Quality
.
Printing in
Fast
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.")
➔
User's Guide
You are printing on paper that tends
to generate dust when cut.
In the Control Panel menu, set
CutDustReduct.
in
Paper Details
to
On
.
(See "Reducing Dust from Cutting Rolls.")
➔
User's Guide
Paper rubs against the Printhead
Paper rubs against the Printhead
Cause
Corrective Action
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.15
(See "Loading Sheets in the Printer.")
➔
P.21
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.
iPF785 Series
Printing is faint
Basic Guide
Troubleshooting
Problems with the printing quality
97
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