Canon BJ-230 - Manual (Page 20)

Purchase a small amount of paper and test it to see if it meets your
printing requirements.
You can automatically feed single sheets of plain papers:
You can stack up to 100 sheets of plain letter-size or legal-size paper
(20lbs or 75 g/m), and up to 50 sheets of plain ledger-size paper (20lbs
or 75 g/m), in in the sheet feeder.
1. Set the paper selection lever to the back position.
NOTE: Attempting to print on damp, curled, wrinkled, or torn paper can
cause paper jams and poor print quality.
Size: Letter -- 8.5 x 11 inches (210 x 279 mm)
Legal -- 8.5 x 14.0 inches(216 x 356 mm),
portrait orientation only
Ledger -- 11 x 17 inches(279 x 420 mm),
portrait orientation only
Thickness: Less than 0.008 inches (0.2 mm)
Weight: 17 to 24 lbs (64 to 90 g/m²)
NOTE: Make sure the paper size you select within your printer driver
matches the orientation in which you load the paper in the printer. See
Chapter 5, Using the Printer With Software, for information on printer
drivers.