Ricoh Aficio 551 Copy Reference Manual page 300

What to Do If Something Goes Wrong
Important
Be sure to select paper size with the User Tools (System Settings). Oth-
erwise, misfeeds might occur.
Reference
For details, see "User Tools (System Settings)" in the System Settings
manual.
E
Gently push the paper tray until it stops.
F
Check the paper size displayed on the display panel.
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