Diagnostic Test Summary - Xerox Phaser 3010 Service Manual

Error Troubleshooting

Diagnostic Test Summary

2-26
The following table lists diagnostic tests available, the expected results, and a brief
description of each test. If a test fails and displays an error code, use the
troubleshooting procedure specific to the error. If the test indicates component
failure, replace the failed component using the procedures in Chapter 4. If test
results are inconclusive, isolate the problem.
Caution
Do not turn the printer Off during ESS Diag testing.
Test Control Panel
ESS Diag
FlashROM Test CHECK OK
■
CodeROM ERROR
■
DRAM Test CHECK OK
■
DRAM ERROR
■
Addr:0xCCCCCCCC
0xAA -> OxBB
MAC+PHY Test Start
■
Processing
■
Check OK or NG
■
IOT Test CHECK OK
■
IOT ERROR
■
Light Flash R/W
CHECK OK
■
Test
FLASH ERROR
■
Addr:0xcccccccc
0xAA > 0xBB
USB Test 1 USB HOST 1
■
CHECK OK
USB HOST 1
■
CHECK ERROR
USB Test 2 USB HOST 2
■
CHECK OK
USB HOST 2
■
CHECK ERROR
OP Panel Test
H-Bar
V-Bar
Checker
Black
White
Fax Card Test
CHECK OK
■
FAX CARD ERROR
■
Lamp Test Lamp-On
■
Lamp-Off
■
Scanner Test 1 Carriage Motor-On
■
Carriage Motor-Off
■
Xerox Internal Use Only
Test Description
The ROM checksum is calculated, and
compared to the value stored in the
corresponding chip beforehand.
This test performs read/write/verify of
DRAM.
PHY internal loopback test.
To create a loopback plug, cross pin 1
(TX+) and pin 3 (RX+) together, and
cross pin 2 (TX-) and pin 6 (RX-)
together.
This test checks communication with
the printer.
This tests Flash Memory . The memory
is backed up before the test, and
restored after the test. 0x55 and 0xAA
is the test data pattern.
Caution: If the power goes out while
this test is running, the restore
data is lost. Only use this test
if the printer is connected to a
UPS.
This test checks communication with a
USB device.
This test checks whether Wi-Fi dongle
enumeration passes.
The Control Panel Test includes LCD,
LED, and Key test.
This test checks communication with
the FAX Board.
This test checks the lamp on the
scanner carriage.
This test checks the motor system for
scanner carriage movement.
Phaser 3010/3040/WorkCentre 3045 Service