Service manual

EPSON Stylus Pro 10000/10000CF Revision B
Operating Principles Printer Mechanism Components 79
2.2.4 Dot missing detector / Flushing box
Dot missing detector is on the left side of a cleaning unit and detect the abnormality of ink
discharge from the print head nozzle (dot lacking etc.) with the laser light. The flushing box
is the device that collects the ink that was discharged for dot lacking detection, and absorb
ink with the fan. The waste ink is sent to the waste ink tank through 1 pipe.
o Dot missing detector
Dot missing detector irradiates the detection device on the diagonal line with the laser
light emitting diode and be detecting the ink discharge condition from each nozzle. (It
is detecting the presence and timing and also quantity of ink discharge.)
o Flushing box
It is the box that receives the ink that was discharged at the time of the head dummy
printing (flushing), and the received ink is discharged to the waste ink absorption
material through a large diameter pipe.
Flushing box
Dot missing detector
Dot missing detector
Flushing box
Print head nozzle
Exhaust fan
Laser
output
Laser
detector
Waste
ink
tank
Flushing box
Dot missing detector
Laser detector
Exhaust fan
Waste ink tank
Laser output
Ink jet
Print head nozzle