UBI EasyCoder 501 Service Manual page 49

UBI EasyCoder 501 – Service Manual
8. PRINT UNIT, cont'd.
8.6
Label Stop Sensor, cont'd.
Washer
Ball Bearing
To replace a defective sensor, proceed as follows:
• Disconnect the two cables to the LSS from the CPU board.
• Using a #T20 Torx screwdriver, remove the three screws that hold
the lower gable to the print unit.
WARNING!
Do not loosen the centre screw (marked with a shade of grey
below), or the pressing roller alignment will be lost!
• Put the ball bearing and its bracket aside, as well as the rear guide
plate.
• Pull out the lower gable and the LSS assy.
• Remove the two #T8 Torx screws that hold the defective sensor.
• Cut the cable clip and remove the defective sensor.
• Reassemble in reverse order, replacing the cable clip.
• Connect the cable from the lower sensor to P-600 on the CPU
board and the cable from the upper sensor to P-601.
LSS assy.
Lower Sensor
Lower Gable
Ball Bearing
Bracket
#T8 Torx Screws
Upper Sensor
Rear Guide Plate
IMPORTANT!
Do not loosen this screw!
#T20 Torx Screws
49