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Chapter 7 – Printronix P7000 Cartridge Ribbon Printer User Manual

Page 288

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288

Chapter

7

Diagnosing Problems

34 RIBBON STALL
TIMEOUT

Yes

In the CT emulation with
a coax interface, the
ribbon has not moved for
10 minutes after

ON LINE/CLEAR was
pressed to clear the
ribbon drive fault.

Reload the ribbon.

48V CIRCUIT*

See User Manual

No

Either the power supply is
not generating a proper
48 Volts or the controller
board is not detecting a
48 Volt output from the
power supply board.

Contact your authorized service

representative.

1

48V PWR FAIL*

No

Internal power failure.

Contact your authorized service

representative.

1

A TO D OVERUN*

No

Analog to Digital
Overrun. The analog-to-
digital converter
overflowed.

Contact your authorized service

representative.

1

ACCESS NULL PTR*

No

Access Null Pointer: The
processor tried to access
a pointer that contains
nothing (null).

Contact your authorized service

representative.

1

ACTIVATE LOST

No

The printer detects a
twinax protocol
communication error and
reports the error.

Contact your authorized service

representative.

1

B00 STATUS: SDRAM
DETECTION 166MHZ

No

Status message: the
printer has begun its
boot-up routines and is
checking for the
presence of SDRAM.

No action required.

B01 STATUS: 8245

SDRAM TEST 32MB

No

Status message: printer
boot-up routines are
testing SDRAM.

No action required.

B10 ERROR: NO
DRAM DETECTED*

No

SDRAM DIMM may not
be properly installed.
Boot-up routines did not
detect the presence of
the SDRAM DIMM.

Cycle power to see if the message
clears, if not, contact your

authorized service representative.

1

B11 ERROR: RAM
TEST FAILED*

No

SDRAM failed the boot
initialization test. SDRAM
DIMM may not be
properly installed.

Cycle power to see if the message
clears, if not, contact your

authorized service representative.

1

Table 17. LCD Message Troubleshooting Table

Displayed Message

Can User

Correct?

Explanation

Solution