Epson AcuLaser Color 2000, Service Manual

Page: 63 / 204

EPSON AcuLaser C2000 Revision C
Operating Principles Mechanism Overview 63
Table 2-2. Sensors
Unit Detection Item Detection Method Note
OPC Exist / non-exist
detection Contact point
conductivity check
method
New / old
detection Fuse method
Installation and
removal
detection at
power supply
ON Contact point
conductivity check
method
• It can be installed
and removed with
the conductivity on.
• No mechanism
broken.
• The installation and
removal state is
updated at cover
open / close.
Used amount
detection Measures the driving
period (motor
rotational period) Calculated by 30
seconds interval.
Near end
detection Main motor driving
time accumulated
period 2640 count x 30
seconds =1320 min.
End detection Main motor driving
time accumulated
period 3300 count x 30
seconds = 1650 min.
After end detection,
print less than 100
images (300 seconds)
and stops after
printing.
EPSON
genuine
product
detection Non-compatible rib Cannot be installed
structurally.
Fusing oil
roller Exist / non-exist
detection Contact point
conductivity check
method
Installation and
removal
detection at
power supply
ON Contact point
conductivity check
method
• It can be installed
and removed with
the conductivity on.
• No mechanism
broken.
• The installation and
removal state is
updated at cover
open / close.
New / old
detection Fuse method
Used amount
detection Measures the driving
period (fusing motor
rotational period) TBD
End detection Measures the driving
period (fusing motor
rotational period) TBD
EPSON
genuine
product
detection Measures the driving
period (fusing motor
rotational period) TBD
Table 2-2. Sensors
Unit Detection Item Detection Method Note