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 6250
Page 1: ...Service Manual Phaser 6250 701P46430 Color Laser Printer ...
Page 2: ......
Page 40: ...1 16 Phaser 6250 Color Laser Printer Service Manual ...
Page 168: ...3 86 Phaser 6250 Color Laser Printer Service Manual ...
Page 214: ...5 26 Phaser 6250 Color Laser Printer Service Manual ...
Page 226: ...7 4 Phaser 6250 Color Laser Printer Service Manual ...
Page 349: ...Service Parts Disassembly 8 123 8 Repeat Steps 1 7 to remove the lower guide 6250 278 ...
Page 376: ...9 4 Phaser 6250 Color Laser Printer Service Manual Print Engine Parts PL 1 1 Covers 6250 286 ...
Page 380: ...9 8 Phaser 6250 Color Laser Printer Service Manual PL 3 1 Paper Feed I 6250 288 ...
Page 382: ...9 10 Phaser 6250 Color Laser Printer Service Manual PL 3 2 Paper Feed II 6250 289 ...
Page 384: ...9 12 Phaser 6250 Color Laser Printer Service Manual PL 3 3 Paper Feed III 6250 290 ...
Page 386: ...9 14 Phaser 6250 Color Laser Printer Service Manual PL 4 1 Housing Assembly Retard 6250 291 ...
Page 388: ...9 16 Phaser 6250 Color Laser Printer Service Manual PL 5 1 Chute Assembly In 6250 292 ...
Page 390: ...9 18 Phaser 6250 Color Laser Printer Service Manual PL 6 1 Chute Assembly Out 6250 293 ...
Page 393: ...Parts List 9 21 This Page Intentionally Left Blank ...
Page 394: ...9 22 Phaser 6250 Color Laser Printer Service Manual PL 7 1 Chute Assembly Exit 6250 294 ...
Page 398: ...9 26 Phaser 6250 Color Laser Printer Service Manual PL 9 1 Xerographics 6250 296 ...
Page 404: ...9 32 Phaser 6250 Color Laser Printer Service Manual PL 12 1 Electrical S6200 240 ...
Page 406: ...9 34 Phaser 6250 Color Laser Printer Service Manual PL 13 1 Harness Assemblies 6250 299 ...
Page 428: ...9 56 Phaser 6250 Color Laser Printer Service Manual ...
Page 435: ...10 7 Map 2 6250 307 ...
Page 436: ...10 8 Phaser 6250 Color Laser Printer Service Manual Map 3 6250 308 ...
Page 437: ...10 9 Map 4 6250 309 ...
Page 439: ...10 11 Map 5 6250 487 ...
Page 441: ...10 13 Map 6 6250 431 ...
Page 462: ...10 34 Phaser 6250 Color Laser Printer Service Manual ...
Page 463: ...A Appendix Reference Contents Printer Status Codes ...
Page 473: ......
Page 474: ...701P46430 ...