3-18 Phaser 4500/4510 Service Manual
Error Messages and Codes
POST Error Code Table
LED Blink
Code
Control Panel
Message Comment
1 RAM ERROR No RAM present, or faulty RAM. Continuous 1/2
second interval LED blink.
1+1+1 3: I/O ASIC Image processor board ASIC failure. Go to “Image
Processor Isolation” on page 4-33.
1+1+1+1 4: MEMORY Checks installed memory: walking ones address,
walking one and complement data. Tests RAM
memory above diagnostics code and data
addresses. Go to “RAM DIMM Fault Isolation” on
page 4-35.
5+5 10: EEPROM 1.Switch off printer power.
2.Remove and re-install the NVRAM EEPROM.
3.Switch on printer power.
4.If the error message persists, first replace the
NVRAM EEPROM, then the image processor
board (Go to page 4-34).
5+5+1 11: ETHERNET
PHY
Image processor E-Net port failure.
Replace image processor board (page 8-75).
5+5+1+1 12: CPU
INTERRUPTS
Replace image processor board (page 8-75).
5+5+1+1+1 13: USB Image processor USB port failure.
Replace image processor board (page 8-75).
5+5+1+1+1+1 14: REAL TIME
CLOCK
Image processor board timer failure. Remove and
reinstall the configuration card. If the problem
persists, replace the image processor board
(page 8-75).
5+5+5 15: RAM
DIMM
RAM DIMM failure. Go to “RAM DIMM Fault
Isolation” on page 4-35.
5+5+5+1 16: INSTALL
MORE RAM
Not enough valid memory installed to support
operation. Install additional RAM. Go to “RAM
DIMM Fault Isolation” on page 4-35.
5+5+5+1+1 17:TOO MUCH
RAM
Too much RAM can excessively load the processor
bus, causing system failure. Remove some RAM.
Go to “RAM DIMM Fault Isolation” on page 4-35.
5+5+5+5 20: IDE DISK Hard disk failure.
Replace the hard disk (part of image processor
removal on page 8-75).
Replace the image processor board (page 8-75).
5+5+5+5+1+1 22: ENGINE
COMMAND
Communication with print engine has failed. Check
ribbon cable to HVPS/engine logic board. Go to
“Image Processor Isolation” on page 4-33.