
General Troubleshooting
4-7
POST Diagnostic Test Descriptions
Test
Fault
Code Description
SDRAM
1
(Hard) This test fails if the boot loader finds no RAM
present or faulty RAM. (Run prior to POST.)
Boot loader posts the message “RAM error” to the front
panel and blinks the front panel LED.
I/O ASIC
3
(Hard) This test determines if the I/O chip is functioning
properly and also makes a preliminary check of front
panel functionality.
Memory
4
(Soft) Checks installed memory above diagnostics code
and data addresses.
Front panel displays “Memory” if a fault occurs.
“i” Button
(Configuration
Chip)
5
(Hard) This test checks to see if the “i” button
(configuration chip) is present. If no chip is present the
test will fail and the front panel message “Please Install “i”
button” will display.
Extended Memory
7
This test does a write compare test to each 32-bit word in
extended memory.
EEPROM
10
(Hard) This test checks addressing of the EEPROM.
Ethernet
11
(Hard) This test checks the ethernet core.
CPU Interrupts
12
(Hard) This test checks that each interrupt source to the
CPU is functioning.
USB
13
(Hard) This test checks that the USB core is functioning
properly.
Real Time Clock
14
(Soft) The real time clock is tested.
RAM DIMM
Presence
15
(Soft) This test examines bad or incompatible RAM
DIMMs.
Minimum RAM
Limits
16
(Hard) Checks that there is at least 128 Mbytes installed.
Front panel displays “Install More RAM” on failure.
Maximum RAM
Limits
17
(Soft) Checks that there is no more than 512 Mbytes
installed.
IDE Disk
20
(Soft) Checks for presence of hard drive, then checks the
disk controller core, and runs a DIAGNOSE command on
the hard drive.
Engine Command
22
(Hard) Runs multiple engine commands to verify proper
operation. Displays “22:Reseat Controller Board” and
“Call Customer Support” on failure.
Engine Fuser
Warmup
26
(Soft) Checks for normal fuser operation. Failure will result
in a red box on the StartPage with “Hardware Failure”.
Summary of Contents for Phaser 6250DT
Page 1: ...Service Manual P h a s e r C o l o r L a s e r P r i n t e r 6250 ...
Page 2: ...manuals4you com manuals4you com ...
Page 39: ...1 16 Phaser 6250 Color Laser Printer Service Manual ...
Page 181: ...4 20 Phaser 6250 Color Laser Printer Service Manual ...
Page 207: ...5 26 Phaser 6250 Color Laser Printer Service Manual ...
Page 219: ...7 4 Phaser 6250 Color Laser Printer Service Manual ...
Page 342: ...Service Parts Disassembly 8 123 8 Repeat Steps 1 7 to remove the lower guide 6250 278 ...
Page 369: ...9 4 Phaser 6250 Color Laser Printer Service Manual Print Engine Parts PL 1 1 Covers 6250 286 ...
Page 373: ...9 8 Phaser 6250 Color Laser Printer Service Manual PL 3 1 Paper Feed I 6250 288 ...
Page 375: ...9 10 Phaser 6250 Color Laser Printer Service Manual PL 3 2 Paper Feed II 6250 289 ...
Page 377: ...9 12 Phaser 6250 Color Laser Printer Service Manual PL 3 3 Paper Feed III 6250 290 ...
Page 379: ...9 14 Phaser 6250 Color Laser Printer Service Manual PL 4 1 Housing Assembly Retard 6250 291 ...
Page 381: ...9 16 Phaser 6250 Color Laser Printer Service Manual PL 5 1 Chute Assembly In 6250 292 ...
Page 383: ...9 18 Phaser 6250 Color Laser Printer Service Manual PL 6 1 Chute Assembly Out 6250 293 ...
Page 386: ...Parts List 9 21 This Page Intentionally Left Blank ...
Page 387: ...9 22 Phaser 6250 Color Laser Printer Service Manual PL 7 1 Chute Assembly Exit 6250 294 ...
Page 391: ...9 26 Phaser 6250 Color Laser Printer Service Manual PL 9 1 Xerographics 6250 296 ...
Page 397: ...9 32 Phaser 6250 Color Laser Printer Service Manual PL 12 1 Electrical S6200 240 ...
Page 399: ...9 34 Phaser 6250 Color Laser Printer Service Manual PL 13 1 Harness Assemblies 6250 299 ...
Page 421: ...9 56 Phaser 6250 Color Laser Printer Service Manual ...
Page 428: ...10 7 Map 2 6250 307 ...
Page 429: ...10 8 Phaser 6250 Color Laser Printer Service Manual Map 3 6250 308 ...
Page 430: ...10 9 Map 4 6250 309 ...
Page 432: ...10 11 Map 5 6250 487 ...
Page 434: ...10 13 Map 6 6250 431 ...
Page 455: ...10 34 Phaser 6250 Color Laser Printer Service Manual ...
Page 456: ...A Appendix Appendix Contents Printer Status Codes ...
Page 466: ......
Page 467: ...071 0869 00 ...