Epson 4003353 User Manual

Page 60

2.4.1.15 Micro Absorbing Operation

When the cartridge is removed, it is possible

a small amount of air to

small air bubbles

that can block the ink from the

nozzle. This operation eliminates small air bubbles from the cavity

of the printhead.

Performs the fail absorbing

the micro absorbing operation.

2.4.1.16 Carriage Lock Set

operation prevents the carriage from moving out of the home position if the printer is turned

off or is paused. This operation is performed when the carnage is in the ink system home position
and no paper is loaded.

1. Sets the carriage

2.4.1.17 Carriage Lock Reset

This operation resets the carriage lock lever.

Resets the carriage lock.

2.4.1.18 Refresh

Operation

(Performed when

loading or ejecting paper)

This operation prevents an increase the viscosity of the ink inside the black head surface when
paper is being loaded or ejected When the blackhead is just on the

cap as paper is loaded or

ejected,

performs the flushing operation at the blackhead only.

2.4.1.19 Adjust Lever Operate Position Moving Sequence

This operation is performed when the Att and

buttons are pressed simultaneously while the

printer is paused.

1. Releases the carriage

(If paper is loaded, this operation is invalid.)

2. Moves the carriage to the adjust lever operate position.

the printer in pause mode. (When the

button is pressed or if 60 seconds elapses, the

carriage returns to the home

position automatically.)

4. Moves the carriage to the flushing position and

the flushing

Moves the

carriage to the

home

position.

the paper is not in the

sets the carriage

lock-)

2.4.2 Timer and Counter

EEPROM

the main board stores certain counter and timer values that are used

for controlling the ink system operation.

2.4.2.1

Refresh Timer (Monochrome and CMY Head)

This timer prevents an increase in

of the ink inside the nozzle. It counts every 2 seconds

during the printing operation. This timer has both the

(Black head= every 2

and

(color head = every

seconds).

It resets when:

●

When the blackhead flushing operation is performed.

■

When the color head flushing operation is performed.

2-30

Rev. A