Instruction manual

The Procedures
73
2. Power off the printer. Remove the paper path or pedestal top cover.
Check that all fan cables are connected.
Connect all fan cables.
3. Inspect vents and fan airways for obstructions. Look underneath cabinet
models for items blocking the cabinet exhaust vents.
Remove any obstructions from vents and airways.
4. Install paper path or pedestal top cover. Load paper. Power on the printer.
Run the “All Black” print test for 1/4 page.
If the message appears, replace the CMX controller board. Record
the message and return it with defective CMX board.
PROTECTED INSTR* Message
1. Protected Instruction. Firmware error on the CMX controller board.
Cycle power. Run the print job again. If the message appears,
download the emulation software again (page 130).
2. Cycle power. Run the print job again.
If the message appears, replace the CMX controller board. Record
the message and return it with defective CMX board.
PWR SUPP VOLT* Message
1. Power Supply Voltage. The power supply has failed.
Replace the power supply board.
QUEUE OVERRUN Message
1. In the CT twinax emulation, the print buffer has overflowed. Send a print
job to the printer.
If the message appears, replace the expansion-CT board. Record the
message and return it with defective board.
2. Send a print job to the printer.
If the message appears, replace the twinax data cable and the twinax
auto-termination cable assembly (“Smart T”).
RESTORING
BOOT CODE Message
1. Normal download initialization message.
No action required.
Reverse paper feed: platen does not open
1. Raise the forms thickness lever and check that the platen opens.
If the platen opens with difficulty, inspect for and remove jams or
obstructions.