Ricoh Di-C1.5a Manual page 52

Development Unit: Except Europe (-27)
Remove the tape from all four development units and toner
hoppers.
IMPORTANT: Remove the tape from all four development
units before you turn the main switch on.
The development units can be severely damaged if you do
not remove the tape.
Slide 52
In Europe and USA, the tape is removed at the factory.
and USA (-17) models
52
Di-C1.5 Training