User manual

Preventive Maintenance
5-34 ProMaster 2500 User Manual
•
Test 25
—Lift the main plate.
•
VAC
—Press
V
to toggle the vacuum generator on and off. When the
vacuum generator is on, place your finger over the end of the chuck
to seal the opening and the VAC value should be greater than or
equal to 140.
Adjusting the ADC (Label
Detecting) Optic on the Dot
Matrix Printer
You may need to adjust the ADC optic if you have trouble with label
calibration, label position, or location of printed text, especially if you
have just changed labels.
To adjust the ADC value, select OPTIC TEST from the DIAGNOSTIC
MENU and load labels. Locate the ADC optic (see Figure 5-13) and
ensure that a label is blocking the optic’s beam to ensure the maximum
ADC optic value.
The 2500 should display:
If a label is not blocking the ADC optic, slowly turn the label advance
knob counterclockwise to advance the liner. The value on the display
fluctuates until the label blocks the optic and the highest value appears.
Do not begin the adjustment procedure until you are certain that a label is
blocking the optic.
If the ADC value does not reach 200, from the Optics diagnostics menu
press
LOWER CASE
+
A
, and then press
↑
or
↓
until the displayed value
reaches 200.
Turn the label advance knob until the ADC optic reads only the liner.
This should read between 120 to 170 if the liner is translucent. The liner
reading is variable, so there is no adjustment for it.
Return to the Main Menu by pressing
RESET
. Press
CAL
to have the 2500
run a label calibration to adjust to the new setting.
OPTIC TEST - ADC = 200 - VAC = 23
11100000001111101111111100 ENC = 13107
| | | | | U15 REV 1.00
5 10 15 20 25 U43 REV 1.00