23
Rear
2-station
housing cover
Fastening
screw
Fastening screw
PF housing
assembly
(69) Install the 2-station housing cover on the PF housing
assembly and fasten with fastening screws (M3x8).
(70) Install the ribbon cassette.
Rear
Ribbon cassette
RP
A
3-4 Adjustment
There are six adjustment items for this printer, as
listed below. Perform the adjustments in the listed
order.
(1) Print speed adjustment
(2) Platen/head gap adjustment
(3) Bidirectional printing shift adjustment
(4) Reset pulse (RP)/home position (HP)
waveform check
3-4-1 Print Speed Adjustment
(1) Procedure
Perform the bi-directional printing and use an
oscilloscope to measure cycle A of the reset pulse
(RP).
(2) Check points
RP waveform: Connector pin 26
GND: Connector pin 24
Note Perform the adjustment under the
following conditions.
•Ribbon cassette: Loaded
•Printer paper: Loaded
•Motor drive voltage: 24V
•Ambient temperature: Normal room
temperature
•Printing mode: Continuous
printing
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