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REV.-A
1. The printer does not operate at all with power switch on. (No LEDs are lit.)
Yes
No
No
Yes
Replace the fuse and
>----~
pull out CN 1 on the
1 - - - - - - - - - ,
power board.
No
Check the output
voltage of the power
board (Refer to Table
5-31.
No
Replace the
SEIMA
board.
Replace the power
board.
No
Yes
Replace the printer
mechanism.
END
Figure 5-1. Unit Replacement·1
Table 5-3. SEIPS/SANPSE Board (CN2) Output Voltage
Connector Terminal
Voltage
3,4(GND)
1,2
Approx. +24 V
7,8
Approx. +4.8 V
5,6(GND)
9
Approx. + 12.3 V (+ 11.7 V)
10
Approx. -12.3 V (- 11.7V)
NOTES 1: The voltages shown in Table 5-3 are measured when the printer is onstandby.
2: The voltages in parentheses are measured with the optional interfaceboard installed.
5-3
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