Ink Operations; Poweron Operation; Cleaning Operation - Epson STYLUS 4001968 Service Manual

STYLUS 800 Service Manual

2.4.1 Ink Operations

There are various ink operations that can be performed selectively by the printer.
2.4.1.1 Power on Operation
Power on consists of the following operations, and only one of these operations is performed,
depending on the position of the carnage when the printer is turned on.
At ink system home position

2.4.1.2 Cleaning Operation

This operation is performed when cleaning is selected by pressing the ALT and PAUSE buttons
simultaneously. There are three cleaning modes, each of which is selectively performed, depending
on the cleaning counter K value and the number of printed lines from the previous cleaning
operation.
1) If the carriage is out of home position, return it to the home position.
2) Cleaner blade - I operation.
3) Change the gear engagement. (pump drive ON)
4) Ink absorbing operation.
5) Performs pressure release operation and micro absorbing operation.
6) Cleaner blade -II operation. (including the flashing operation)
7) Move the carnage to the stand-by position, and change the printer state to
1) If the carriage is out of home position, return it to the home position,
2) Cleaner blade - I operation.
3) Change the gear engagement (pump drive ON)
4) Ink absorbing operation.
5) Pressure release operation.
6) False absorbing operation.
7) Rubbing operation.
8) Change the gear engagement. (pump drive ON)
9) Micro absorbing operation.
10) False absorbing operation.
11) Cleaner blade - II operation. (including the flashing operation)
12) Move the carriage to the stand-by position.
The same operation as CL1, except that the carriage is moved to the false
absorbing positionand the false absorbing operation is performed at step 4).
Rev. A
1) Moves the carriage to the flushing position and
performs the flushing operation.
2) Returns the carnage to the home position (standby for
printing).
Note: The false absorbing operation ispetformedpre-
ceding the above-mentioned sequence, depending
on the protect counter R value.
1) Returns the carriage to home position.
2) Performs cleaner blade- I operation.
3) Performs ink absorbing operation.
4) Performs pressure release operation.
5) Performs micro absorbing operation.
6) Performs false absorbing operation.
7) Performs cleaner blade-II operation (including the
flushing operation).
8) Moves the carriage to the standby position.
the PAUSE state.
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