Tally T6090, Maintenace Manual

Page: 38 / 202

T6090 Maintenance Manual
2–8
Selecting And Running a Print Test
STEP 1. Take the printer Offline and place it in Tech Access Mode.
STEP 2. Access the TEST Menu.
STEP 3. Depress the FORMS/1 Key to access the TEST Menu categories, then scroll
(
▲
Key) until the Pattern Category is displayed.
STEP 4. Depress the CPI/2 Key to access the Pattern Category parameters, then scroll
(
▲
Key) until the desired Print Test parameter (Print, Print2, or Plot) is displayed.
STEP 5. Depress the LPI/3 Key to access the parameter selections, then scroll (
▲
Key) to the
desired test pattern.
STEP 6. Depress the ENTER Key to begin the Print Test.
With the exception of the 1 Line print test, the print tests are continuous and will
continue to print until you depress the CLEAR Key or ENTER Key.
Diagnostic Category (Menu Level 1)
This category contains parameters for testing various printer components, for setting opera-
tional thresholds, and for calibrating certain sensors. You are guided through these diagnostic
procedures by instructions on the Control Panel Display. There are 12 diagnostic parameters.
PrntCal (Print Calibration) Parameter (Menu Level 2)
This parameter provides a means to calibrate the hammer timing pulses to obtain the best print
quality. There are three selections for PrntCal: Hammer, Current, and Pap Out.
Selecting And Running a Hammer Calibration Routine
STEP 1. Take the printer Offline and place it in Tech Access Mode.
STEP 2. Access the TEST Menu.
STEP 3. Depress the FORMS/1 Key to access the TEST Menu categories, then scroll
(
▲
Key) until the Diag Category is displayed.
STEP 4. Depress the CPI/2 Key to access the Diag Category parameters, then scroll (
▲
Key)
until the PrntCal Parameter is displayed.
STEP 5. Depress the LPI/3 Key to access the PrntCal selections, then scroll (
▲
Key) until
the Hammer selection is displayed.
STEP 6. Depress the ENTER Key to begin the Hammer Calibration Routine.
The printer generates coarse test patterns using hammer lead times from 23Hz
(prints twice), 30Hz, 34Hz, 40Hz, and 45Hz.
STEP 7. Examine each line of the printed output for each lead time and select the one that
has the best dot placement, then scroll to that setting on the Control Panel and
depress the ENTER Key to select it.
After you make the last selection (for 45Hz) the printer prints out the settings for the various
lead times and the calibration routine is over.
Repeat the Print calibration routine with "Heavy Forms" turned on and with heavy
forms installed on the printer.