Troubleshooting; Print Result Is Not Satisfactory; Print Result Density Is Too High Or Low - Sony UP-D897 Service Manual

Pia
Pan
Section 4
Troubleshooting
4-1. Print result is not satisfactory
's the test pattern print Failure of 1C104, IC202, CN206 on the
result in the test mode MA-132 board or peripheral circuit
acceptable?
Failure of IC101, 10102, [C104 on the MA-132
board or peripheral circuit
4-2. Print result density is too high or low
When the thermal
head temperature is
abnormal, is the voltage
(approx. 0.8 V to 1.3 V)
output to 1C202 (88-pin)
on the MA-132 board?,
Failure of 1C202/Q206 on the MA-132 board,
peripheral circuit, 28-pin of CN206, or internal
thermistor of thermal head
ts the density of
stairstep print in the test
mode acceptable?
Abnormal voltage of thermal head or failure
of CN206 on the MA-132 board
Failure of 1C101/1C102 data bus on the
MA-132 board
UP-D897