Xerox phaser 6250 Service Manual page 166

Post Test Sequence
Test
Seq. Code
1
1
2 14
3 3
4 4
5 5
6 7
7 10
8 11
9
12
10 13
11 14
12 15
13 16
14 17
15 20
16 22
17
26
18 14
General Troubleshooting
Test Name
SDRAM
Real Time Clock
I/O ASIC
Memory
Configuration Chip
Extended Memory
EEPROM
Ethernet
CPU Interrupts
USB
Real Time Clock
RAM DIMM
Min RAM Limit
Max RAM Limit
IDE Disk
Engine Command
Engine Fuser Warmup
Real Time Clock
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Type Comments
Hard Run by Bootloader
Soft Initial time check for
comparison
Hard Checks I/O capability
Soft
Hard
N/A Autorun test only
Hard
Hard
Hard
Hard
Soft Tests RTC operation
Soft Bootloader test reported in
POST
Hard Checks for sufficient RAM
Soft Checks for excess RAM
Soft
Hard
Soft Check Engine/Fuser
communication
Soft Compares RTC time to
CPU time base register
4-5