IBM 6400 - Appendix D: Checking MPI Installation

Message List
85
084 POWER SUPPLY
48V FAILED
48 Volt Power Failed.
Internal power failure.
1. Power off the printer. Remove the paper
guide assembly or pedestal top cover.
Check that power supply connector P101
is fully seated in connector J101 on the
CMX controller board.
2. If the printer has the coax/twinax
expansion board, check the adapter
connection to the CMX controller board.
Make sure the 60-pin expansion adapter
is correctly seated between the CMX
controller board and the coax/twinax
expansion board.
3. Power on the printer. If the message
appears, replace the hammer bank logic
cable assembly (P108) and the power
cable assembly (P105). (Refer to
Appendix A.)
4. Power on the printer. If the message
appears, replace the power supply board.
5. Power on the printer. If the message
appears, replace the CMX controller
board. Record the message and return it
with the defective board.
6. Power on the printer. If the message
appears, replace shuttle frame assembly.
085 CONTROLLER
VOLTAGE
Controller Voltage
Failure.
1. Cycle Power. Run the print job again. If
the message appears, download the
emulation software again.
2. Cycle power. Run the print job again. If
the message appears, replace the flash
memory with pre-written flash. (See
Table 8 and Table 9 on page 219 and
Figure 35 on page 220.)
3. Power on the printer. Run the print job
again. If the message appears, replace
the CMX controller board. Record the
message and return it with defective CMX
board.
4. Power on the printer. Run the print job
again. If the message appears, replace
the power supply board.
Table 4. Message List
Operator Panel
Message
Explanation Corrective Action