Gasboy 1000 Series FMS Diagnostic Manual - Manual (Page 116)

Troubleshooting
03/07/03 6-31 31
Paper out lamp is lit.
Possible Cause Checks Corrective Action
Receipt printer is actually out
of paper. Check if receipt printer is out
of paper. Install new roll of paper. On
the printer status PCB, the
Alarm LED should turn off.
Press the online switch. The
online LED should light and
the paper out lamp should turn
off. (NOTE: The paper out
light will not go out until the
online switch is pressed.) If
connected to a direct printout
terminal, the system will report
Paper Refilled.
Defective Star Controller PCB
not properly reading paper out
sense switch or defective
paper out sense switch on
printer mechanism. Short out the black and white
wires on connector CN5 of the
Star Controller PCB. The
Alarm LED on the Printer
Status PCB should turn off. Replace the Star Controller
PCB if shorting CN5 does not
turn off the Alarm LED.
Replace the printer
mechanism if shorting CN5
turns off the Alarm LED.
Defective lamp driver on the
Auxiliary Communications Port
PCB. Using a DC voltmeter,
measure pins 4 and 5 of U13
on the Auxiliary
Communications Port PCB.
+5VDC should be measured if
paper out lamp should be off. Replace the Auxiliary
Communications Port PCB if
+5VDC is measured at U13,
pins 4 and 5 and the paper out
lamp is on.
Defective MPU PCB. Replace the MPU PCB if
replacing the Auxiliary
Communications Port PCB did
not correct problem or if 0VDC
is measured at U13, pins 4
and 5 on the Auxiliary
Communications Port PCB
when the paper out light is
supposed to be off.