Canon C850 Practical Manual page 136

When Your Printouts Look Like���
Uneven glossy areas may occur in high
density images� (Type A)
Toner may splatter around the edges of
high density images� (Type A)
134 134
imagePRESS C850/C750/C650/C65
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 User's Guide