This chapter gives an overview of the scanning and printing mechanisms as well as the sensors,
actuators, and control electronics. It aids in understanding the basic principles of operation as well as
locating defects for troubleshooting.
3.1
OVERVIEW ............................................................................................................ 3-1
3.2
3.2.1
Scanner Mechanism.................................................................................. 3-5
3.2.2
Printing Mechanism................................................................................... 3-8
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[ 2 ]
[ 3 ]
[ 4 ]
[ 5 ]
[ 6 ]
[ 1 ]
[ 2 ]
[ 3 ]
[ 4 ]
[ 5 ]
3.2.3
Sensors and Actuators .............................................................................. 3-41
3.3
CONTROL ELECTRONICS ................................................................................... 3-44
3.3.1
Components .............................................................................................. 3-44
CHAPTER 3 THEORY OF OPERATION
CONTENTS
Overview ........................................................................................... 3-10
Features ............................................................................................ 3-11
Head/carriage unit............................................................................. 3-12
Ink cartridges..................................................................................... 3-17
Ink refill assembly.............................................................................. 3-19
Ink supply tubes ................................................................................ 3-20
Overview ........................................................................................... 3-21
Confidential