Printronix SLPA7000 User Manual page 180

Chapter 5
Troubleshooting Display Messages
Message
HEAD POWER FAIL
Call For Service
IGP/PGL ERROR
INSUFFICIENT RAM
Reboot/Add RAM
180
Table 8. Message List
Explanation
The printhead lost power.
Appears when the "Fault" option
is selected from Error Report on
the control panel.
There is not enough RAM
available for certain printer
functions or emulations.
Solution
1. Check the connection of the
phone-style power supply
control cable at J5 on the
controller PCBA and
CN403 on the power
supply. Disconnect the
power supply control cable
and check continuity.
Replace the cable if it fails
continuity test.
2. Check connections of other
cables going from the
controller board to the
power supply. Reseat all
cables. Replace damaged
cables.
3. If printing in Direct Thermal
mode (i.e., no ribbon),
check the voltage between
TP4 GND and TP1
+40VDC (+35 to +45VDC)
on the controller board. If
voltage is out of tolerance,
replace the power supply
assembly.
4. Power on the printer. If the
message reappears,
replace the controller
PCBA. Write down the
message and return it with
the defective board.
1. Clear the IGP/PGL error.
2. Deselect "Fault" from Error
Report on the control panel.
1. Install a larger DRAM SIMM
at J33.
2. If the message reappears,
replace the controller
PCBA. Write down the
message and return it with
the defective board.