Printronix P7000 Series Maintenance Manual page 51

Table 4. P7000 ASCII (Spool) Error Messages List
Displayed Message
426 BC READ ERR
See User Manual
733 DP FIFO Busy*
Explanation
Bar code read error: The
printer does not detect the
presence of the ribbon bar
code sensor.
There is a timing problem in
the Engine Controller
firmware.
List Of Messages
Solution
1. Power down the printer. Remove
the ribbon and wipe the two
lenses of the ribbon bar code
sensor with a lint-free cloth or
cotton swab.
2. Install the ribbon and power on
the printer. If the message
appears again, replace the
ribbon.
3. Power on the printer. If the
message appears again, power
down the printer and remove the
paper path or top cover to gain
access to the card cage. Make
sure the cable from the ribbon bar
code sensor to connector J122
on the controller board is
undamaged and has a good
connection to J122.
4. Power on the printer. If the
message appears again, power
down the printer and replace the
ribbon bar code sensor.
5. Power on the printer. If the
message appears again, power
down the printer and replace the
controller board. Record the
message and return it with the
defective board.
1. Cycle Power. Run the print job
again. If the message appears,
download the emulation software
again (page 247).
2. Cycle power. Run the print job
again. If the message appears,
replace the flash memory.
3. Power on the printer. Run the
print job again. If the message
appears, replace the controller
board. Record the message and
return it with the defective board.
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