2-14
EO18-33003A
2. MAJOR UNIT REPLACEMENT
Replacing the Sensor PCB (LED)
1) Open the top cover. (Refer to Section 2.1)
2) Remove the top cover. (Refer to Section 2.1.)
3) Push down the head release lever R to open the print head block. (Refer to Section 2.4.)
4) Detach the printer unit from the bottom cover. (Refer to Section 2.3.)
5) Disconnect the harness from the sensor PCB (LED) which is attached to the bottom of the printer
unit. Then remove the rivet to detach the sensor PCB from the printer unit.
6) Replace the sensor PCB (LED) with a new one, and then reassemble in the reverse order of
removal.
7) After replacement, refer to Section 6.7 THRESHOLD SETTING in this manual to make a sensor
adjustment.
2.6 REPLACING THE MEDIA SENSOR
Fig. 2-23
Printer Unit
Sensor PCB (LED)
Rivet
Harness
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