Service manual

09/09 Rev. 5.02-02 SERVICE MANUAL Service Electronics
AP 4.4 – AP 5.4 – AP 7.t
27
Reflex sensor ¯ Setting only for AP 5.4 with optional reflex mark label sensor!
1. Start the printer in production mode and call parameter
SERVICE FUNCTION >
Sensor Adjust
.
2. Press the Online button repeatedly, until the following is displayed:
The left value is the control value for the LED current (Default: 112).
The right value is the sensor value read back (here: 17).
3. Insert some white paper.
4. Increase or decrease the control value until the read back value matches the
range of 8..20 (best: 10).
5. Remove the white paper to verify the read back value. It should match the
range of 50..160.
6. Insert some black paper to verify the read back value. It should match the
range of 190..255.
7. Press the Online button to save the setting.
By doing so, the reflex sensor is set.
Punch sensor
for short labels
¯ Setting only for AP5.4 dispenser with optional punch sensor for short
labels!
P For further information about this punch sensor, see topic section
Service Mechanics
, paragraph „Punch sensor for short labels“.
1. Start the printer in production mode and call parameter
SERVICE FUNCTION >
Sensor Adjust
.
2. Press the Online button repeatedly, until the following is displayed:
The left value is the control value for the LED current (Default: 140).
The right value is the sensor value read back (here: 7).
3. Remove any material from the label sensor fork.
4. Increase or decrease the control value by pressing the Feed or Cut button
until the read back value is in the range of 8..20 (best at 13..15).
5. Insert some standard material backing paper (labels peeled off) to verify the
read back value.
The read back value should match the range of 30..90.
6. Insert some standard self-adhesive material (paper label on backing paper)
to verify the read back value.
The read back value should match the range of 100..220 and it must be more
than 50 (best: 100) digits higher than the value measured with bare backing
paper.
Sensor Adjust
112 Reflex 17
Sensor Adjust
140 optn.1 7