Xerox 4400DT - Phaser B/W Laser Printer Service Manual page 96

POST Error Code Table
LED Blink Front Panel
Code Message
1+1 2: I/O ASIC
1+1+1 3: LOCAL BUS
BRIDGE/FRONT
PANEL
1+1+1+1+1 5: Please Install
Configuration
Chip.
5+5 10: EEPROM
5+5+1 11: ETHERNET
PHY
5+5+1+1 12: CPU
INTERRUPTS
5+5+1+1+1 13: USB
5+5+1+1+1+1 14: REAL TIME
CLOCK
5+5+5 15: RAM DIMM
5+5+5+1 16: RAM LIMIT
5+5+5+1+1+1 18: L2 CACHE
TEST
5+5+5+1+1+1+1 19: PCI BRIDGE Image Processor Board Timer failure. Go to
5+5+5+5 20: IDE DISK
5+5+5+5+1 21: PARALLEL
PORT
5+5+5+5+1+1 22: ENGINE
COMMAND
5+5+5+5+1+1+1 23: VIDEO DMA
TEST
Continuous 1/2 RAM Error
second interval
Phaser 4400 Laser Printer Service Manual
Comment
Image Processor Board ASIC failure. Go to
Processor Isolation
Image Processor Board ASIC failure. Go to
Processor Isolation
1. Switch off printer power.
2. Remove and re-install the Configuration Chip.
3. Switch on printer power.
4. If the error message persists, first replace the
Configuration Chip, then the Image Processor Board.
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 (RRP 9.2
on page 6-88).
Image Processor parallel port failure, USB port failure,
E-Net Port Failure.
Replace Image Processor Board (RRP 9.2 on
Go to Image Processor Isolation
Image Processor parallel port failure, USB port failure,
E-Net Port Failure.
Replace Image Processor Board (RRP 9.2 on
Image Processor Board Timer failure. Go to
Processor Isolation
RAM DIMM failure. Go to
page 2-60.
Image Processor Board Timer failure. Go to
Processor Isolation
Image Processor Board Timer failure. Go to
Processor Isolation
Processor Isolation
Hard disk failure.
Replace the Hard Disk (PL 10.1 on
Replace the Image Processor Board (RRP 9.2 on
page 6-88).
Image Processor parallel port failure, USB port failure,
E-Net Port Failure.
Image Processor Board Timer failure. Go to
Processor Isolation
Image Processor Board Timer failure. Go to
Processor Isolation
Image Processor Xerox Image Enhanced VDMA failure.
Image Processor Board Timer failure. Go to
Processor Isolation
Go to 15: RAM DIMM (RAM Error)
on page 3-31.
on page 3-31.
on page 3-31.
on page 3-31.
15: RAM DIMM (RAM Error)
on page 3-31.
on page 3-31.
on page 3-31.
page
on page 3-31.
on page 3-31.
on page 3-31.
on page 2-60.
Image
Image
page 6-88).
page 6-88).
Image
on
Image
Image
Image
7-24).
Image
Image
Image
2-59