Detection Of Developer Cartridge (Toner Cartridge) - Epson EPL-6200 Service Manual

EPSON EPL-6200/EPL-6200L

2.2.3.4 Detection Of Developer Cartridge (toner cartridge)

Installation Detection (Presence Detection):
Installation of the Imaging Cartridge is detected in such a way that its presence/
absence is electrically detected at power off and on or opening and closing of the
front cover by the IC chip (CSIC) incorporated in the Developer Cartridge (toner
cartridge).
Detection of New Cartridge:
The Developer Cartridge (toner cartridge) is detected to be a new one only at the
first installation by the built-in IC chip (CSIC).
Detection of Toner Cartridge Near Empty or Toner Cartridge Empty
The built-in IC chip (CSIC) detects the amount of toner remaining by
counting the dots of laser.
With the dots corresponding to one sheet of A4 size printed at 5% of B/W
ratio counted one, reaching the predetermined count is detected to be the
Toner Cartridge near empty state or Toner Cartridge empty state.
Do not disclose the description of the CSIC chip given above to
users.
Operating Principles
Figure 2-17. Detection of Developer Cartridge (toner cartridge)
Description of Mechanisms
Revision A
CSIC Board
81