EPSON AcuLaser C1900/AcuLaser C900 Revision B
Product Description Basic Specifications 24
1.2  Basic Specifications
1.2.1  Process Specifications
 Printer formula
Semi-conductor laser beam scan and elector photography with dry single 
component no electromagnetic toner.
 Light Source
Semi-conductor laser
 Photoconductor Unit
OPC (organic photoconductive conductor) drum
 Charging
Needle electrode scorotron charger
 Development
Exposed area development
 Toner
Nonmagnetic one-component toner
 Primary Transfer
Electrode roller transfer method
 Intermediate Transfer
Intermediate transfer belt method
 Secondary Transfer
Roller transfer method
 Fixing
Heated roller fuser method
 Density Adjustment
Automatic adjustment (not adjustable by user)
1.2.2  Printer Basic Specifications
 Resolution
600 dpi
 Warming Up Time
 100 V, 120 V : 180 seconds or less (in 23 °C 55%RH, rated voltage)
 220~240 V : 180 seconds or less (in 23 °C 55%RH, rated voltage)
 Printing Mode
 B/W mode : A regular monochrome mode that prints fastest.
 Color mode : A color mode that uses Y, M, C, K toners.
 Speed Mode
 Standard mode : Paper feeding at the main unit's fastest speed.
 Low-speed <1> mode : Reduce the envelope feeding speed to retain the 
quality.
 Low-speed <2> mode : Reduces paper feeding speed to ensure satisfactory 
fusing at printing on thick paper, label sheets or 
coated paper exceeding 90g/m
2 
(24 lb).
 Low-speed <3> mode : Reduce the paper feeding speed to retain the fixity of 
printing on transparencies.