Inkend Detection - Epson Stylus 800 Service Manual

Ink End Detection
2.3.2.3
The IE (Ink
End) sensor attached to the -ge detects, not ody the ink end, but&m when ink is
low and whether an rnk cartridge (I/C) is installed. The detected status is divided into seven
modes based on the output voltage level of the IE sensor.
Mode B:
High
Resistance
Value
Low
When the ink end detection operation has determined ink status, the pMter indicates the status on
the control panel, as described below:
1. During pMting
2. During pump operation:
3. In standby State:
2-14
Normal amditim
Ink is low
Ink is low (during printing) (printable)
No I/C (not rnstalled)
Normal
Condition
Abnormal
Condition
Full
Ink Remaining --+
Figure 2-19. Ink End Detect}on
If an ink end is detected, the printhead is cxipped and the control
panel indicates an INK END error.
If Mode B is detected, the printer indicates an INK END error after
the detection operation sequence completes and
If Ink ad mode, Abnormal mode, or No ink cartridge mode is
detected, the printer indicates an INK END error after interrupting
pump operation.
If Ink end mode, Abnormal mode, or No ink cartridge tie is
detected, the ptiter indicates an INK END error on the control
(not printable)
(not printable)
(not printable)
Ink
End
I
Mode \
Empty
-
No Ink
Cartridge
pump
Rev. A
.