Canon imagePRESS C10000VP Practical Manual page 80

When Your Printouts Look Like���
Tiny white spots that look like bubbles
appear� (Type B)
Tiny white spots appear� (Type B)
The definition of the printout is low�
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imagePRESS C10000VP/C8000VP
Check the Cause and Remedy Below
Cause
The secondary voltage that transfers toner to the paper
does not match the specific characteristics of the paper�
Remedy
To improve this situation, adjust the value for <Adj�
Secondary Transfer Volt�> to match the specific
characteristics of the paper� There are two types of
problems: type A and type B� Adjust the value according
to the problem with your printout�
→ [Preferences] → [Paper Settings] → [Paper
Press
Type Management Settings] → select the type of paper
you are using that is having this problem → press
[Details/Edit] → [Change] for <Adj� Secondary Transfer
Volt�> → adjust the voltage value� For type A, adjust the
voltage value toward the plus end� For type B, adjust the
voltage value toward the minus end�
"Paper Type Management" > "Adjusting the
Secondary Transfer Voltage" in the e-Manual
Cause
The dither settings are not appropriate for the image
being printed�
Remedy
To improve this situation, adjust the dither settings to
increase the space between halftone dots�
→ [Adjustment/Maintenance] → [Adjust Image
Press
Quality] → [Dither Settings] → decrease the setting
value for <Gradation> and <Resolution>�
"Adjustment for Image Quality and Finishing
(Calibration)" > "Dither Settings" in the e-Manual