Epson Aculaser C1100 Series Instruction Manual page 148

Note:
The printer and optional paper cassette unit are heavy so it is
necessary to carry them separately when you transfer them.
4. Remove the paper cassette from the optional paper cassette
unit.
5. Push up the fixing tabs inside the optional paper cassette unit,
then turn them in a clockwise direction to fix the unit and the
printer together.
6. Reinsert the paper cassette into the optional paper cassette
unit.
148
Installing Options