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Is the voltage of 16 V to 20 V
output from pins 1 to 3 (VH) of
CN602 on the MA-201 board
during the printing operation?
Yes
Is FFC connecting CN601 on the
MA-201 board and the thermal
head normal?
Yes
Are there any streaks in the
paper feed direction?
Yes
Replace the thermal head.
(Refer to Section 3-9.)
2-6 (E)
FFC: Flexible flat cable
Is the voltage of 3 V output from
No
pin 8 (VH_ENB_P) of CN101 on
the MA-201 board during the
printing operation?
Yes
Are the harness connecting
CN101 on the MA-201 board and
CN803 on the DC-182 board and
the harness connecting CN602 on
the MA-201 board and CN802 on
the DC-182 board normal?
Yes
Replace the DC-182 board.
(Refer to Section 3-6.)
Connect FFC correctly. If the
No
symptom persists, replace
FFC. (Refer to Section 5.)
Replace the MA-201 board.
No
(Refer to Section 3-8.)
Is FFC connecting CN601 on the
MA-201 board and the thermal
head normal?
Yes
Is the normal printing operation
performed after replacing the
MA-201 board?
(Refer to Section 3-8.)
Yes
Normal
No
Connect harness correctly. If the
No
symptom persists, replace
haeness. (Refer to Section 5.)
Connect FFC correctly. If the
No
symptom persists, replace
thermal head.
(Refer to Section 3-9.)
Replace thermal head.
No
(Refer to Section 3-9.)
UP-D898DC
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