TSC CPX4P Series, Service Manual

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Cleaning Procedure
Cleaning Procedure of Printhead Face
Execute this cleaning in the case white streak can not be recovered by Strong Cleaning.
1) Print Nozzle Check Pattern using Service Utility.

Service Utility > Test Print/Adjustment > Nozzle Check pattern
2) Move Printhead to head cleaning position (*1) using Service Utility.

Service Utility > Troubleshooting > Position Change > Head Cleaning Position
*1 Head cleaning position is same as printing position.
3) Open Upper Unit.
4) Set printed Nozzle Check Pattern on print paper.
5) Find white streak on printed paper, and then find non-firing nozzle.
CAUTION:
Do not keep Printhead at head cleaning position for a long time.
NOTE:
It takes 5 seconds to move Printhead to head cleaning position.