Pitney Bowes RISO ComColor Printer - Manual (Page 33)

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ComColor Series Troubleshooting Guide 01
Printed images are light or faded. The print density setting has been configured for light printing.
Adjust the [Print density] setting on the [Image] tab of the printer
properties dialog box.
The [Draft] function has been set.
If [Draft] has been set in the printer driver, the printing density decreases
because less ink is used. To increase the printing density, go to the
[Image] tab X [Image quality] X [Details], and select [Standard].
The [Data compression] function has been set.
If [Data compression] has been set in the printer driver, the Drop value
lowers, and neutral colors become uneven because the printing process
speed increases. To increase the printing density, go to the [Image] tab X
[Image quality] X [Details], and select [Standard].
The paper type setting (on the machine) and the paper that is
actually loaded do not match.
Correctly configure the paper type.
⇒ Printer mode screen X [Functions] X [Feed tray] X select the feed
tray X [Paper type]
The ink heads are clogged.
To unclog the ink head, perform head cleaning.
⇒ Printer mode screen X [Functions] X [Head cleaning] X
[Normal cleaning]
If this does not fix the problem, perform [Strong cleaning].
Printed images are dark. The print density setting has been configured for dark printing.
Adjust the [Print density] setting on the [Image] tab of the printer
properties dialog box.
The paper type setting has not been correctly configured for the
type of paper loaded in the feed tray or on the standard tray.
Correctly configure the paper type.
⇒ Printer mode screen X [Functions] X [Feed tray] X select the feed
tray X [Paper type]
Printed images have white streaks. The ink heads are clogged.
To unclog the ink head, perform head cleaning.
⇒ Printer mode screen X [Functions] X [Head cleaning] X
[Normal cleaning]
If this does not fix the problem, perform [Strong cleaning].
Problem Possible Cause and Action to Take