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Stylus Color Service Manual
Op6wating
Principbs
2.4.2.2
Timer (Monochrome and
CMY
Head)
This timer eliminates an increase in the viscosity of the ink inside the
printhead
nozzles
or
elimina
tes the air bubbles that can block the cavity of the
printhead.
This timer confirms the time
up from the EEPROM when the printer is turned on. (Time Up Interval: 10 days.)
The time up values areas follows:
■
Monochrome:
15 hours
40 hours
65 hours
■
Color:
40 hours
85 hours
135 hours
It resets when:
■
When the black ink absorbing operation (black head) is performed.
■
When the color ink absorbing operation (color head) is performed.
2.4.2.3
Flushing Counter (Black,
CMY
Head)
This timer counts how long the caps open continuously to prevent dryness inside the caps.
This timer starts or stops (resets) when:
■
start:
Caps are opened.
■ stop:
The pause state is completed.
2.4.2.4
Fail
Absorbing
Timer
(Blaclq
CMY
Head)
This timer absorbs the stained ink inside the caps periodically and it calculates the accumulation
time. This timer starts or stops (resets) when:
■
start:
Printing is started.
■ stop:
The printer is in the pause state.
Also this timer resets when the fail absorbing operation is performed.
2.4.2.5
Ink Level Counter R (On the RAM) (Monochrome= Rb,
CMY
=
Ry)
This counter indicates the amount of ink that exists in the cap, in proportion to the number of
flushing operations. When the counter value of the black head exceeds or equals 12000 and when
the counter value of the color head exceeds or equals 17000, the fail absorbing operation is
performed.
■ The counter Rb counts when the black head performs the flushing operation to the
morw
chrome cap.
■
The counter Ry counts when the color head performs the flushing operation to the
CMYcap.
Also this timer resets when the fail absorbing operation is performed.
Rev. A
2-31