Epson 440 User Manual download pdf (Page 35)

EPSON Stylus Color 440/640/740 Revision A

Chapter 1 Product Description 35

1.5 Error Status

When following status occur, the printer goes to the error status and

stops taking data, setting the /ERROR signal in the interface as “Low”,

and Busy signal as “High”. At this time, the printer goes to non printable

status. Refer to Section 1.4.3 for more details of LED Panel indicators

during the various error status.

1.5.1 Ink Out

When the printer runs out the most part of the ink of any one color, it

warns ink-low and keeps printing. When the printer runs out the whole

ink of any one color, it stops printing and indicates ink-out error. User is

requested to install a new ink-cartridge in this state. A ink-cartridge once

taken out should never be used again. Re-installation of the cartridge

not filled fully upsets the ink level detection and may cause a serious

problem in the print head as a result.

The following explains the warning sign above.

[Step 1]

After the cartridge is once taken out, bubbles come in from the ink

supply hole located at the top of cartridge and are absorbed into the

head during printing. AS a result, the head is unable to discharge ink

properly. Also, inevitable entry of bubbles created during installation of

a new ink cartridge can be absorbed to ink itself since the ink in the

cartridge is deaerated during the production process. However, this

ability for absorption can last only about one hour after the cartridge is

installed.

[Step 2]

Even after the bubble absorbing ability described above stops, there is

problem about entering bubbles as long as the ink cartridge is installed

in the printer. However, if the ink cartridge which does not have

absorbing

ability any more is once removed from the printer, new

coming bubbles into the cartridge will never disappear naturally. These

bubbles may cause not only printing malfunction but also thickening ink.

This thickened ink goes into the head and clogs ink path in the head or

nozzle and may cause serious head damage.

[Step 3]

As standard specification for Stylus Color 400, ink consumption counter

is reset when the ink cartridge is removed. If an ink cartridge is removed

and re-installed unnecessarily the value on the ink consumption monitor

which the user can check will be wrong and printer may keep printing

even though the ink cartridge is installed empty. This may cause head

damage.

1.5.2 Paper Out

When the printer fails to load a sheet after power on operation including

timer-cleaning is done and Load/Eject button on the FF command or

operation panel is pressed, it goes into a paper out error.

1.5.3 Paper Jam

When the printer fails to eject a sheet even after feeding motion is

completed or Load/Eject button on the FF command or operation panel

is pressed, it goes into a paper jam error.

CAUTION

Never use the ink cartridge that has been removed.

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Epson 440 User Manual Page 35

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