OKI MC160n User Manual

Machine 
power is not 
on.

The power cord is not 
correctly plugged into 
the outlet.

Turn off the machine, confirm that the 
power cord is correctly plugged into 
the outlet, and then turn on the 
machine.

Something is wrong 
with the outlet con-
nected to the 
machine.

Plug another electrical appliance into 
the outlet and see whether it operates 
properly.

The power switch is 
not correctly turned 
on (I position).

Turn the power switch off (O position), 
then turn it back to the on (I position). 

The machine is con-
nected to an outlet 
with a voltage or fre-
quency that does not 
match the machine 
specifications.

Use a power source with the specifica-
tions listed in appendix A, ““Technical 
Specifications” ”.

The control 
panel dis-
plays Toner 
Low much 
sooner than 
expected.

One of the toner car-
tridges may be defec-
tive.

Remove the toner cartridges and 
check for damage. If it is damaged, 
replace it. 

Printed with heavy 
toner coverage.

See specifications in Appendix A 
““Technical Specifications” ”.

Cannot print 
the machine 
status list.

The tray is empty.

Check that at least Tray 1 is loaded 
with media, in place, and secure.

There is a media mis-
feed.

Clear the media missfeed.

When the 
paper type or 
paper size 
for Tray 1 is 
changed, 
Check Fax 
Mode 
appears.

If a fax is received, it 
could not be printed 
on paper of the cur-
rently specified type 
or size. However, 
copy and print opera-
tions can be per-
formed.

Press the Fax key, and then check the 
error details. 
To print a received fax, change the 
paper type to PLAIN PAPER and the 
paper size to A4, LEGAL or LETTER.