Problem Causes Solutions
Printing did not start even
though the specified print time
has already passed.
[Jobs Not Printed As Machn.
Was Off] was set to [Do not
Print] in [Printer Features], but at
the specified printing time, the
main power switch was turned
off or the printer was in Low
Power Mode.
Set [Jobs Not Printed As Machn.
Was Off] to [Prt When Mach
On] in [Printer Features].
This function is available for SP
C342DN only.
Printing did not start even
though the specified print time
has already passed.
The time set on the printer or
computer is incorrect.
Set the correct time on the printer
or computer.
Printing via wireless LAN is
slow.
The number of jobs exceeds the
capacity of the printer.
Reduce the number of jobs.
Printing via wireless LAN is
slow.
• A communication error
might have occurred.
• Interference from other
wireless LAN devices can
reduce the communication
speed
• If the printer is using a
wireless LAN, radio waves
may be interfering with the
wireless communication.
This may occur if there is a
microwave oven, cordless
telephone, industrial
printer, scientific
instrument, or medical
instrument using the same
frequency range near the
device.
• Move the printer farther
away from the wireless LAN
device.
• If there are active wireless
LAN devices nearby, move
the printer or disable those
devices.
• Turn off other printers or
instruments that use the
same frequency range, and
then try printing again. If
printing is successful, move
the devices to a location
where they do not interfere
with the printer.
3. Troubleshooting
108
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