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IBM 6400 Series Maintenance Manual

IBM 6400 Series
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184
Adjustment Procedures
24. Power off the personal computer.
25. If you had to install a parallel data cable to the computer and printer in
step 6, disconnect it from the computer and printer.
26. Reconnect the customer’s data input cable(s) to the printer, if required.
27. Return the printer to normal operation (page 159).
28. Using the configuration printout(s) you made in step 1, reconfigure the
printer. (Refer to the
Setup Guide
.)
Table 5. Flash Memory Message Guide
NOTE: A continuous IML cycle indicates coax/twinax code is being loaded
into a printer with a missing, defective, or improperly installed
Coax/Twinax board. If the printer is supposed to have this feature,
reseat the Coax/Twinax board. If the printer is not supposed to have
this feature, install new emulation code without the Coax/Twinax
feature.
Message
Explanation
Required
Action
CLEARING PROGRAM
FROM FLASH
The program successfully loaded
into printer RAM and the checksum
matched. The old program is now
being deleted from flash memory.
None
DIAGNOSTIC
PASSED
The printer passed its memory and
hardware initialization tests.
None
ERROR: DC PROGRAM
NOT VALID
Printer cannot find the data controller
program or the validation checksum
is corrupted.
Download the
program again:
Power off the printer
and start over at
step 13. If the
message occurs
again, replace the
flash memory.
ERROR: DRAM AT
ADDRESS XXXXXXXX
The printer found a defective
memory location.
Replace the DRAM.

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IBM 6400 Series Specifications

General IconGeneral
BrandIBM
Model6400 Series
CategoryPrinter
LanguageEnglish

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