3-16 Installation of Printhead and Ink Cartridge Rev AB
Videojet 8520 Operator Manual
Position of Photoelectric Cell
This form of installation enables the standard values for the sensor
distance to be maintained for both product path directions.
How to Install the Photoelectric Cell
Do the following tasks to install the photoelectric cell:
1 Use the cutter to cut the optical fibre to the required length.
2 Only use each cutting hole in the cutter once.
3 When taking the measurements, please note that the two upper ends
of the optical fibre have to be inserted in the photoelectric cell later.
4 Leave a sufficient length of the optical fibre to place it in a loop. Thus,
avoid sharp bends which might impair sensitivity.
EQUIPMENT DAMAGE. If the optical fibre is not cut correctly, this
may impair the operation of the photoelectric cell. Therefore, only
use each cutting hole in the cutter once. Every new optical fibre
comes with a new cutter.
Figure 3-29: Position of Photoelectric Cell
Path of product from left to right
Path of product from right to left
1. Photoelectric cell
2. Printhead
Figure 3-30: Cutter for Optical Fibre
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