Message Cause Solution
"Internal cooling fan is
active."
Large print runs will cause
the machine's interior to heat
up, triggering the cooling
fan.
The fan will emit noise, but this is
normal and the machine will be
operable while the fan is running.
The amount of paper that can be
printed and the total operation time
until the fan starts running depends on
the temperature of the location at
which the machine is installed.
"Self checking..." The machine is performing
image adjustment
operations.
The machine may perform periodic
maintenance during operations. The
frequency and duration of
maintenance depends on the humidity,
temperature, and printing factors such
as number of prints, paper size, and
paper type. Wait for the machine to
resume operation.
When There Is a Problem Scanning or Storing Originals
Message Cause Solution
"Cannot detect original size.
Select scan size."
The machine failed to detect
the size of the original.
• Place the original correctly.
• Specify the scan size, and then
place the originals again. For
details about the settings for when
fax function is being used, see
"Scan Settings", Fax.
• Specify the scan size, and then
place the originals again.
• When placing an original directly
on the exposure glass, the lifting/
lowering action of the exposure
glass cover or the Auto Document
Feeder (ADF) triggers the
automatic original size detection
process. Lift the exposure glass
cover or the ADF 30 degrees or
more.
When Other Messages Appear
195
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