Xerox Phaser 6128MFP Service Manual page 296

General Troubleshooting
4-26
Test Control Panel Display
Engine Test Start
Check OK or NG
ConfigROM Start
Test Check OK or NG
READ ROM Start
Revision No Check OK or NG
Engine Diag
Sensor Test Digital Input
Code H 0 or 1
At the start of the test,
0 is displayed. This
number counts up when
a sensor is turned On
from Off to indicate
proper operation
Code
DI-0
DI-1
DI-2
DI-3
DI-4
DI-6
DI-7
Motor Test
Code
DO-0, DO-1, DO-2
Test Description
Communication test with the print
engine. Run this test when the 024-
371 error occurs. Test result: NG (Go
to FIP.) OK (cycle main power.)
Communication test with the
ConfigROM and the FPGAregister.
This test checks communication with
the ConfigROM. The revision number
is read several times.
Tests for print engine components.
These tests check whether the
sensors operate normally. The Sensor
Test is performed for all the
components. Press the OK button
twice to run the selected test. Exit
the Sensor Test by pressing the Stop
button. The display returns to the
Service Mode menu.
NOTE:
During the Sensor Test, no other
diagnostic. functions can be
performed. The printer only accepts
DI components and exit commands.
The device code for each component
is listed below.
Component
Manual Feeder Sensor
No Paper Seneor
Registration Sensor
Exit Sensor
K Mode Sensor
Side Switch
Interlock Switch
These tests check whether the
sensors operate normally. The Sensor
Test is performed for all the
components. Press the OK button
twice to run the selected test. Exit
the Sensor Test by pressing the Stop
button. The display returns to the
Service Mode menu.
NOTE:
During the Sensor Test, no other
diagnostic. functions can be
performed. The printer only accepts
DO components and exit commands.
The device code for each component
is listed below.
Component
Main Drive Motor
Phaser 6128MFP Service Manual