EPSON AcuLaser C1900/AcuLaser C900 Revision B
Disassembly and Assembly Main Unit Disassembly 173
4.2.1.2  Removal of Other Units
WASTE TONER BOX
1. Open the front door.
2. Remove the Waste Toner Box.
PHOTOCONDUCTOR UNIT
3. Turn the lock lever upward for unlocking.
4. Pull out the Photoconductor Unit by holding the end green label area of the unit and 
while unlocking it.
C A U T I O N
Take care that waste toner does not spill from the removed Waste 
Toner Box. If deemed necessary, put the supplied cap on the opening 
of the Waste Toner Box.
C A U T I O N
 Take care not to expose the removed Photoconductor Unit to 
any strong light or the direct rays of the sun. If deemed 
necessary, cover the Photoconductor Unit with a cloth to 
intercept the light.
 Never touch the photoconductor roller (green roller) of the 
Photoconductor Unit with your bare hand or scratch the roller; 
otherwise, printed image would be faulty.
 Take great care that static electricity discharge to the surface of 
the photoconductor does not occur. Such electric discharge can 
cause faulty printed image. (Wear a static control strap.)