Is the print head height set too low – Canon imagePROGRAF GP-300 User Manual
Page 616

If not loaded properly, paper can buckle and rub against the Print head.
Reload the paper.
Loading Rolls in the Printer
Loading Sheets in the Printer
Check 4
Is the Print head height set too low?
Set
Paper thickness (head height)
in the touch screen menu to the value higher than the current one.
Troubleshooting Paper Abrasion and Blurry Images
Check 5
Is the paper thick, or a type that curls easily or is prone to buckling after
absorbing ink?
If using paper-based printing material such as Heavyweight Coated Paper, set
Transport unit vacuum strength
in the touch screen menu to
Medium-strong
or
Strong
.
If that does not resolve the problem, increase the
Paper thickness (head height)
setting in the touch screen
menu.
Adjusting Vacuum Strength
Troubleshooting Paper Abrasion and Blurry Images
If using film-based printing material such as CAD Tracing Paper, set the
Transport unit vacuum strength
in the
touch screen menu to
Standard
,
Medium-strong
, or
Strong
.
If that does not resolve the problem, increase the
Paper thickness (head height)
setting in the touch screen
menu.
Adjusting Vacuum Strength
Troubleshooting Paper Abrasion and Blurry Images
If using paper thinner than 0.004 inches (0.1 mm), set
Transport unit vacuum strength
in the touch screen
menu to
Weak
.
If that does not resolve the problem, increase the
Paper thickness (head height)
setting in the touch screen
menu.
Adjusting Vacuum Strength
Troubleshooting Paper Abrasion and Blurry Images
Check 6
Does the paper have a strong curl at the front edge or is it buckled?
Set
Cutting mode
in the touch screen menu to
User cut
, and set leading edge detection to
Do not detect
.
In this case, to keep track of the amount of remaining roll paper, set
Manage remaining roll amount
to
OFF
before loading the roll paper, and then restore the setting of
Manage remaining roll amount
to
ON
after the roll
paper is loaded.
Specifying the Cutting Method for Rolls
Keeping Track of the Amount of Roll Paper Left
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