4-31
Using the Operation Panel 
Cassette (1 to 4) Size (Setting the cassette paper size)
To set the standard sizes A6, A5, A4, B5, Letter, and Legal size for the 
paper cassette, load the paper and turn the paper size dial so that the size 
of the paper you are going to use appears in the paper size window. To 
load a non-standard paper size (sizes other than A6, A5, A4, B5, Letter 
and Legal) into a paper cassette, refer to the custom paper sizes listed on 
page 4-31.
If the PF-520 or PF-530 optional paper feeder is installed, use the same 
procedure to load paper into the paper feeder cassettes.
1 Pull the cassette out of the printer and set the paper size using the 
paper size dial.
2 Adjust the paper guides in the cassette to the size of the paper to be 
used for printing and load the paper into the cassette. 
Custom Paper Size
If you use a non-standard size paper, load the paper and turn the paper 
size dial to Other (refer to Loading Paper on page 3-13).
Selecting the Size Dial Setting
1 Pull the cassette out of the printer and set the paper size dial to Other. 
For details, refer to step 1 in Cassette (1 to 4) Size (Setting the 
cassette paper size) on page 4-31.
2 Adjust the paper guides in the cassette to the size of the paper to be 
used for printing and load the paper into the cassette.
Setting the Paper Size from the Operation Panel
Use the operation panel to set the size of paper loaded in the cassette on 
the printer. This menu appears if the size dial for the cassette is set to 
Other.
1 Press  while Paper Settings > is displayed.
2 Press  or  repeatedly until >Cassette Size > appears. If 
optional paper feeders are added, Cassette 1 Size will appear for 
the standard paper cassette and Cassette 2 Size, Cassette 3 
Size, and Cassette 4 Size will appear for the optional paper 
feeders.
Note  The maximum number of cassettes on the ECOSYS 
P6021cdn is three (when two optional paper feeders are 
installed).