Nisca PR5350, Руководство по обслуживанию, Страница: 39 / 97

When main board is replaced, check and adjust the print position in the following
procedure.
Step 1. Print Test Pattern H in the "Position Adjustment" menu of Service Mode.
Step 2. Adjust Horizontal and Vertical values so that dimensions h and v
(
distance from the edge of card
)
become 0.5 +/-0.2mm.
Step 3. Print the Test Pattern H again and confirm the h and v dimensions.
Repeat the above if necessary.
Note 1: If h, v, is smaller than 0.5mm, increase the setting value.
If h, v, is larger than 0.5mm, decrease the setting value.
Note 2: Setting value can be calculated in the following formula.
H'= H +
(
0.5-h
)
/12
H' : New setting value
(
Horizontal
)
H : Current value
(
" "
)
h : measured value
(
mm
)
V' can be obtained in the same formula.
Note 3: Start adjustment with the current value
(
value before replacing
Thermal Head
)
retained.
Test Pattern for print position adjustment