Input Diagnostic Test Codes; Output Diagnostic Test Procedure - Xerox 8850 Service Manual

Input Diagnostic Test Codes

Table 1 Input Test Codes
Code Component Tested
[0101] Front Door Interlock
[0105] Fuser Exit Door Interlock
[0106] Top Cover Interlock
[0202] Keyboard Test
[0701] Module Loop Interlock (Fuser Assembly and
Xero Mod installed)
[0702] Cutter Drawer Interlock
[0707] Roll 1 Lead Edge Sensor
[0708] Roll 2 Lead Edge Sensor
[0709] Roll 3 Lead Edge Sensor
[0710] Roll 1 Motion Sensor
[0711] Roll 2 Motion Sensor
[0712] Roll 3 Motion Sensor
[0713] Roll 1 Drawer Sensor
[0714] Roll 2 Drawer Sensor
[0715] Roll 3 Drawer Sensor
[0721] Cutter Home Sensor
[0801] Sheet Feed Sensor
[0803] Media Registration Sensor
[0807] Exit Sensor
[0808] Stack Height Sensor
[0901] Toner Cartridge Home Sensor
[0902] Drum Motor Stall Sensor
[1005] Fuser Jam Switch
8850/ 510DP

Output Diagnostic Test Procedure

The Output Diagnostic Test is used verify correct operation of output components. The output
diagnostic test allows the operation of the individual or multiple (chaining) output component(s)
in order to verify operation.
Value
0 is Open
Go
0 is Open
0 is Open 1.
key value is ##H 2.
1 is In 3.
0 is Out
4.
0 is Open
5.
0 is Active
6.
0 is Active
0 is Active
7.
0 is Active
8.
0 is Active
0 is Active
0 is Open NOTE: The Fuser must be at operating temperature before making voltage checks or operat-
ing the diagnostics.
0 is Open
0 is Open
1 is Active
0 is Active
0 is Active
1 is Active
1 is Full
0 is Active
0 is Stalled
0 is Active
03/2003
6-5
To Enter Multiple Tests (Chaining) for instructions on how to enter multiple tests.
Enter the Diagnostic mode.
Enter the chain number (first two numbers on the code).
Press the Enter button.
Enter the test number (last two numbers of the code).
Press the Enter button to begin the test.
Observe the component for the correct operation. If the component and its circuitry are
functioning correctly, the component will operate. If they are not, refer to the documenta-
tion to isolate the problem.
Press the Exit button to stop the Diagnostic Test.
To exit the diagnostic mode, enter the test [0361] or switch the Printer power off, wait 5
seconds, then switch it on.
Input Diagnostic Test Codes, Output Diagnostic
General Procedures