WP21 Series Operation Manual Appendix
71
5. Pull out the printing paper from the paper outlet at the printer cover
and close the cover.
Note: The “Feed” key is available on the main interface, all the
screens waiting for keyboard entering, the “Print/Delete Result
Reports” window in the “Result Report” interface and the QC
report interface. This function is disabled on all the other
interfaces to protect the printer.
Appendix 2 Replace pump tubes
The peristaltic pump is located at the rear cover of the bottom plate, as
illustrated in Figure 13-1.
1. Hold the connector of the pump tube with a hand, and then
remove the liquid inlet pipe and the waste liquid pipe.
2. Take out the pump tube from the peristaltic pump.
3. Remove the tube connector outside the pump tube.
4. Get a new pump tube and fix the connector at an appropriate
location of the new tube.
5. Install the new tube as per the reverse steps of removing it. Let the
tube slide along the gap of the tube rack into the fixation trough.
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