Epson 200 - Manual (Page 60)

Solution Phenomenon Condition Cause Checkpoints
Carriage does
not operate
normally. Drive pulse
does not
output. CPU is
defective.
IC12 is
defective.
Does the wave-form correct?
(Check pin either at 9 and 10.) Replace CPU.
Table 5-4. Repair of C199 MAIN(Cont.)
Does the wave-form correct?
(Check pin at 17,20 and 14,23.) Correct : replace
motor.
Incorrect : repalce
IC12.
Drive pulse
does not
output. PF motor does
not operate
normally.
CPU is
defective.
IC16 is
defective.
Does the wave-form correct?
(Check pin either at 3 and 4.) Replace CPU.
Does the wave-form correct?
(Check pin at 17,20 and 14,23.) Correct : replace
motor.
Incorrect : repalce
IC 12.
Epson Stylus Color 200 /Epson Stylus 200 Troubleshooting
Rev. A 5-5