"Paper tray is empty" means the censor to the paper tray may need refilling or removing some paper and the printer is relaying this information backto the computer to let you know. Or there may be a fault with the printer and it needs fixing.
It means your paper tray is empty. Put some blasted paper in it and quit wasting time.
Empty dreams mean that you do not experience any dream. You feel empty while sleeping. It is like a blank paper at night.
It means that a computer has asked the printer to print something on Legal paper (8.5" x 14") from the upper paper tray of the printer, and the printer is now asking for the paper to be loaded so it can complete the job. Where the Upper Tray is will vary by printer model.
Yes, for $150 you can purchase a paper tray which will add an additional 250 sheet paper tray to your printer.
Ice cubes crumble when you empty the tray because they have stuck to the surface. This causes the ice crystals to shatter when they are forcefully removed.
You can load 250 sheets in the regular tray.
A tray cover (looks like a piece of paper) or a sterilized wrapping paper used for wrapping the instrument pack.
Is the paper in the printer tray properly.
The standard paper tray capacity is 1100-sheet and it can be expandable upto 2100 sheets.
Pull the paper tray out. Open the lid. There is a light blue clip on the end. Press it and you can extend the bottom of the tray. There is a part of the lid of the tray that you can extend too. There is no clip. Just force it (gently). Then load your paper and print as normal. There are instructions printed on the bottom inside of the tray, but they are not great.
Gravity
For paper being scanned: put it into the document feeder. For paper being printed: put it into the paper tray.