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Troubleshooting > Troubleshooting When Printing Image
Troubleshooting When Printing Image
If there is a problem with the print image, refer to "Troubleshooting When Printing or Copying Image"in Chapter 19
Troubleshooting of the Operation Guide and take action according to the problem.
If the problem is not solved, refer to following information of the this guide.
Vertical void line (Clogged up nozzle)
1
Check ink
"Troubleshooting When Printing Image" > "Vertical void line, band or stripes" (Chapter 19)
in Operation Guide
In case that no improvement is observed, then go to next step.
2
Configure print head cleaning operation according to paper
width
Use this setting when white streaks occur at the leading edge of the paper after changing to a
print job with a different paper width.
1 [Home] key > [...] > [Professional Settings] > [U730 Set Head Cleaning] > [03
Purge(Width)]
2 Select [02 On] or [03 On(Width>SRA3)].
When selecting [02 On], if the paper width is larger than that of the previous job (but
smaller than SRA3), the machine determines whether to perform automatic head cleaning.
When selecting [03 On(Width>SRA3)], if the paper width is larger than that of the previous
job (and larger than SRA3), the machine determines whether to perform automatic head
cleaning.
3 [Start] > [Stop] key > [04 Interval(Width)]
4 Select the time interval > [Start] key.
You can select [10min], [20min], and [30min] as the time interval.
5 If the mode is [Quality] and the problem is not solved, go to the next step.
3
Check print head temperature
When [U735 Set Ink Temperature Control] is selected as the print priority mode, printing is
possible even in a low-temperature environment (up to 22°C/71.6°F), so the nozzles may
become clogged due to an increase in ink viscosity.
1 [Home] key > [...] > [Professional Settings] > [U735 Set Ink Temperature Control]
2 Confirm that [01 Mode] is set to [Printing].
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