Brother TD-2020 Service Manual page 90

(3) Check that the separator jig set in the sensor read section on the machine is matched with
the image displayed on the "Adjust transmission sensor" window.
→ If matched, step to the next.
→ If not matched, hold down the [NG] button to stop the inspection.
Figure 19. "Adjust transmission sensor" window
(4) The adjust photo sensor window appears as soon as the inspection starts.
Figure 20. "Adjust photo sensors" window
If the cover of the machine is open at that time, the "Adjust photo sensors"
window is closed automatically and the inspection ends up as NG. "Cover check
error. Cover is open." appears in the "Results" field.
→ The inspection is inoperable if the cover of the machine is open at the beginning of the
inspection. Set the separator jig in the sensor read section and make sure to close the cover.
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