Printronix P7010 User Manual page 256

Chapter 7
Diagnosing Problems
Table 15. LCD Message Troubleshooting Table
Can User
Displayed Message
426 BC READ ERR Yes
See User Manual
733 DP FIFO Busy* Yes
A TO D OVERUN* No
ACCESS NULL PTR* No
ACTIVATE LOST No
B00 STATUS: SDRAM No
DETECTION 166MHZ
B01 STATUS: 8245 No
SDRAM TEST 32MB
B10 ERROR: NO No
DRAM DETECTED*
256
Explanation
Correct?
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.
Analog to Digital
Overrun. The analog-to-
digital converter
overflowed.
Access Null Pointer: The
processor tried to access
a pointer that contains
nothing (null).
The printer detects a
twinax protocol
communication error and
reports the error.
Status message: the
printer has begun its
boot-up routines and is
checking for the
presence of SDRAM.
Status message: printer
boot-up routines are
testing SDRAM.
SDRAM DIMM may not
be properly installed.
Boot-up routines did not
detect the presence of
the SDRAM DIMM.
Solution
1. Power down the printer.
2. Remove the ribbon and
wipe the two lenses of the
ribbon bar code sensor with
a lint-free cloth or cotton
swab.
3. Install the ribbon and power
on the printer. If the
message reappears,
replace the ribbon.
1. Cycle power. Run the print
job again. If the message
reappears, download the
emulation software again.
2. Cycle power. Run the print
job again. If the message
reappears, contact your
authorized service
1
representative.
Contact your authorized service
1
representative.
Contact your authorized service
1
representative.
Contact your authorized service
1
representative.
No action required.
No action required.
Cycle power to see if the message
clears, if not, contact your
authorized service representative.
1