Canon imagePROGRAF iPF770 Basics Guide - Page 95

Problems with the printing quality, Printing is faint

Get Canon imagePROGRAF iPF770 PDF manuals and user guides View all Canon imagePROGRAF iPF770 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 95 highlights

Troubleshooting iPF770 Series Printing is faint Problems with the printing quality Printing is faint ...95 Paper rubs against the Printhead ...96 The edges of the paper are dirty ...96 The surface of the paper is dirty ...97 The back side of the paper is dirty ...97 Printed colors are inaccurate ...97 Banding in different colors occurs ...98 Colors in printed images are uneven ...98 Image edges are blurred or white banding occurs 99 The contrast becomes uneven during printing 99 The length of printed images is inaccurate in the feeding direction 100 Images are printed crooked ...100 Documents are printed in monochrome ...100 Line thickness is not uniform ...100 Lines are misaligned ...101 Printing is faint Cause You may be printing on the wrong side of the paper. Print on the printing surface. Corrective Action 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 To check for nozzles after printing, set Frequency in Nozzle Check in the Control Panel menu to a setting other than Off. Furthermore, to have a warning displayed depending on the result of the nozzle check, set Warning in Nozzle Check in the Control Panel menu to On. Note that when Warning is set to On, printing may stop depending on the content of the warning. (See "Menu Settings.") ➔User's Guide 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.41 Paper is jammed inside the Top Follow the steps below to remove the jammed piece of paper inside the Top Cover. 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.83 (See "Clearing a Jammed Sheet.") ➔P.86 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.") ➔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 95 Problems with the printing quality Basic Guide

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
Problems with the printing quality
Problems with the printing quality
Printing is faint
...............................................................................................................................................
95
Paper rubs against the Printhead
..................................................................................................................
96
The edges of the paper are dirty
...................................................................................................................
96
The surface of the paper is dirty
....................................................................................................................
97
The back side of the paper is dirty
................................................................................................................
97
Printed colors are inaccurate
.........................................................................................................................
97
Banding in different colors occurs
.................................................................................................................
98
Colors in printed images are uneven
.............................................................................................................
98
Image edges are blurred or white banding occurs
.......................................................................................
99
The contrast becomes uneven during printing
..............................................................................................
99
The length of printed images is inaccurate in the feeding direction
...........................................................
100
Images are printed crooked
........................................................................................................................
100
Documents are printed in monochrome
......................................................................................................
100
Line thickness is not uniform
........................................................................................................................
100
Lines are misaligned
....................................................................................................................................
101
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
To check for nozzles after printing, set
Frequency
in
Nozzle Check
in the Control Panel menu to
a setting other than
Off
.
Furthermore, to have a warning displayed depending on the result of the nozzle check, set
Warn-
ing
in
Nozzle Check
in the Control Panel menu to
On
.
Note that when
Warning
is set to
On
, printing may stop depending on the content of the warning.
(See "Menu Settings.")
➔
User's Guide
Because the printer was left
without ink tanks installed for
some time, ink has become
clogged in the ink supply sys-
tem.
After the ink tanks have been installed for 24 hours, run
Head Cleaning B
from the Control Pan-
el.
(See "Cleaning the Printhead.")
➔
P.41
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.83
(See "Clearing a Jammed Sheet.")
➔
P.86
3.
Close the Top Cover.
The ink was not dry when pa-
per was cut.
Specify a longer drying period in the Control Panel menu, in
Paper Details
>
Roll DryingTime
.
(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
iPF770 Series
Printing is faint
Basic Guide
Troubleshooting
Problems with the printing quality
95