Printronix p300 Maintenance Manual page 118

ON LINE indicator
not illuminated
Press ON LINE switch.
Observe display.
NO
ON LINE
not illuminated
?
YES
Check POWER switch.
NO
POWER
switch on
?
YES
Observe display.
NO
CHECK
indicator off
?
YES
Figure 4–5. ON LINE Indicator Not Illuminated (1 of 2)
4–12
Return to
Normal operation
Set POWER switch
to ON.
Return to
Normal operation
Press CHECK switch.
Observe indicator.
NO
CHECK
indicator off
?
A
YES
GO TO SHEET 2
Open platen. Observe
CHECK indicator.
NO
CHECK
indicator off
?
C
YES
GO TO SHEET 2
Close platen.
Open rear door and
extend card cage per
para 5–44a, 1 and 2.
Observe power supply
PCBA indicators.
B
GO TO SHEET 2
P300/P600 Troubleshooting