Sony UP-CX2, Service Manual

Page: 52 / 122

2-8 (E)
UP-CX2
2-2-5. Density Adjustment
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When the thermal head resistance value is not set, the adjustment becomes improper.
Be sure to perform the setting of the thermal head resistance value in advance. (Refer to Section 2-2-3.)
1. Perform the adjustment of head voltage as the procedure below when density differs (deep or light).
(1) Start the service mode. (Refer to Section 5-2.)
(2) Click the
[Setting]
button.
A Setting screen then appears.
(3) Click the
[Open]
button of the Setting.
A Setting screen then appears.
(4) Click the spin button in Head Voltage box for adjustment.
When the density is deep ;
Set the numeric value of Voltage to minus in the range of
_
300 to
_
600.
When the density is light :
Set the numeric value of Voltage to plus in the range of
+
300 to
+
600.
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The Voltage value changes 150 at a time every time you click once.
(5) Click the
[Apply]
button, then click the
[Close]
button.
(6) Click the
[Print|step]
in a Diag Menu and print a test pattern (16STEP).
2. Compare the test pattern with the printed test pattern before replacing the thermal head and adjust
until the density becomes the same.
When the test pattern (16STEP) was unable to be printed before replacement, compare with printed
by the proper set and adjust.