Adjustments - UBI EasyCoder 501 Service Manual

UBI EasyCoder 501 – Service Manual
11. LABEL-TAKEN SENSOR, cont'd.
11.2
Installation, cont'd.
11.3

Adjustments

Slip the cable of the label-taken sensor through the hole in the
centre-line wall of the printer into the electronics compartment.
Connect the cable to P-606 on the CPU board. Be careful so the
cable does not interfere with any movable mechanical parts.
Insert the power cord and turn on the power.
Adjust the sensitivity of the label-taken sensor by means of the
potentiometer WR-602 (marked "LTS") on the CPU board:
• Start up UBI Fingerprint and run the program described in
chapter 11.2. Leave the label in the outfeed slot to create a label-
not-taken condition.
• The printer should start to beep continuously. If not, turn the
potentiometer back and forth until the beeping starts.
• Adjust the potentiometer so the beeping does not stop when the
screw is turned a quarter of a turn in either direction.
• If necessary, fit or remove a jumper on P-607 to change the
intensity of the LTS emitter:
Strap fitted = Higher intensity
Strap removed = Lower intensity
• Remove the label. The beeping should cease immediately.
• If necessary, readjust the potentiometer and/or change the strap
on P-607.
• Break the program by typing X on the host.
When the label-taken sensor works properly, put back the left-hand
cover and close the front hatch and right-hand door. Then the printer
is ready for operation.
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