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HP LASERJET ENTERPRISE 500 - Page 41

HP LASERJET ENTERPRISE 500
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List of Messages
41
ERROR: EC PROGRAM
NOT VALID
The printer cannot find the
engine controller program or the
validation checksum is corrupt.
1. Download the program again (page
129). If the message occurs again,
replace all flash memory SIMMs.
2. Power on the printer. Download the
emulation. If the message appears,
replace the CMX controller board.
Record the message and return it
with defective CMX board.
ERROR: EC STOPPED
AT STATE XXXX
Where XXXX is a number from
0000 to 0010. The Engine
Controller has stopped and is in
the state identified by the
number displayed. If the EC
stops at state 0000 at power-up,
replace the CMX controller
board. Record the message and
return it with the defective
board.
1. Power off the printer. Remove all
flash memory and DRAM SIMMs.
Inspect the SIMM sockets on the
CMX controller board. If any socket
pins are bent or damaged, replace
the CMX controller board.
2. Install the flash and DRAM SIMMs,
making sure they are fully and
correctly seated. Power on the
printer. Download the emulation
(page 129). If the message appears,
replace the flash SIMM(s).
3. Power on the printer. Download the
emulation. If the message appears,
replace the DRAM SIMM(s).
4. Power on the printer. Download the
emulation. If the message appears,
replace the CMX controller board.
Record the message and return it
with defective CMX board.
ERROR: FLASH
DID NOT PROGRAM
The printer encountered an
error trying to program flash
memory.
Download the program again (page 129).
If the message occurs again, replace the
flash memory.
ERROR: FLASH
NOT DETECTED
The printer could not find flash
memory.
Check flash memory on the CMX
controller board. If present, reseat the
flash SIMMs; if missing, install flash
SIMMs.
ERROR: NO DRAM
DETECTED
The printer could not find any
DRAM.
Check DRAM on the CMX controller
board. If present, reseat DRAM; if
missing, install DRAM.
ERROR: NVRAM
FAILURE
The non-volatile memory has
failed.
Replace the CMX controller board. (Do
NOT attempt to replace NVRAM.) Record
the message and return it with defective
CMX board.
ERROR: PROGRAM
NEEDS MORE DRAM
The printer requires more
DRAM in order to run the
downloaded program.
Add DRAM or use a smaller emulation
program.
Table 2. Message List
Message Explanation Solution

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