Getting to Know Your Printer 23
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Options and Consumable Products
Options
You can add to your printer’s capabilities by installing any of the 
following options.
500-sheet Paper Cassette Unit A3 (C12C802142) 
This unit increases paper feeding capacity up to 500 sheets of 
paper.
h. Ready light
(Green)
On when the printer is ready, indicating 
that the printer is ready to receive and 
print data.
Off when the printer is not ready.
i. Start/Stop button When the printer is printing, pressing 
this button stops the printing.
When the error light is flashing, pressing 
this button clears the error and switches 
the printer to ready status.
j. Data light
(Yellow)
On when print data is stored in the print 
buffer (the section of printer memory 
reserved for receiving data) but not yet 
printed.
Flashes when the printer is processing 
data.
Off when no data remains in the print 
buffer.