Riso RP3700I User Manual page 193

Problem
Printed copies are half or three quarter
blank in the Multi-Up printing.
Printed images are excessively faint or
blurred.
Vertical blank lines are found on
printed copies.
Cause
The initial setting of the Multi-
Up printing feature is adjusted
to provide an interval for
placing the following originals.
The Stop key may have been
pressed by mistake during
scanning originals.
If the machine is not used for
a long period of time, ink on
the surface of the Print
Cylinder (Drum) may dry. Dry
ink on the Print Cylinder
(Drum) may cause faint or
blurred printing.
Light originals result in light
images.
If the temperature is low
(below 59°F or 15°C ) or the
Ink cartridges are stored in a
cold place, ink may not flow
smoothly.
The Thermal Print Head (the
device that makes the
master) may be smudged
with paper powder from the
master.
The Stage Glass may be
stained with correction fluid
or dust.
If the optional ADF unit is
installed:
The ADF Scanner Glass may
be smudged with dust or
correction fluid.
Troubleshooting Tips
Action
Change the initial setting of the Multi-
Up printing feature to cancel the
interval time.
p.86... Printing Originals Side by Side
Repeat operation from the beginning.
Press the Test Print key several times
until a clear printed image is obtained.
Activate the Idling feature before
operation to prevent light images that
may occur after periods of non-use.
p.80... Idling Action
Make scanning contrast darker. Then
replace the original and press the Start
key.
p.64... Changing Image Contrast
on Prints
Warm the room or Ink cartridge before
operating the unit.
Open the Master Making Unit and
clean the Thermal Print Head using a
soft cloth or tissue.
p.177... Cleaning
Open the Stage Cover (or the optional
ADF unit table) and gently clean the
Stage Glass using a soft cloth or
tissue.
p.177... Cleaning
Open the ADF unit table and clean the
glass using a soft cloth or tissue.
p.177... Cleaning
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