Epson ColorPage EPL-C8000 Service Manual page 67

EPSON EPL-C8000
o As the printer prints more pages, the toner in the developer
decreases. To maintain proper developer density, it is necessary to
resupply toner to the Developer Assembly from the Toner Cartridge.
This is called 'Toner Dispensing.' The Toner Dispensing mechanism
uses two types of controls (PCDC and ADC). For details on PCDC
and ADC, See Section 2.7.5.
o To obtain a full-color image (of 4-color toner), four toner images
(YMCBk) must be formed on the drum's surface in sequence. This
printer uses the rotary development method to form images. The
rotary development method uses the Rotary Frame Assembly. The
Rotary Frame Assembly has four Developer Assemblies which are
installed every 90° (see figure below). For each image, the
appropriate Develop Assembly faces the drum surface to form an
image. (For more details, see Section 2.7.7.)
Chapter 2 OPERATING PRINCIPLES
Figure 2-7. Development (2)
Rev. B
2-6