Iot Diagnostics; General Procedures - Xerox WorkCentre 5020 Service Documentation

Pressing the [Start] button will show the "F_ " (Function Code input screen) on the display.
An "F" and the blinking "_" are shown on the Function Code input screen.
F F _
Use the keypad to enter the 2-digit Function Code.
F 2 _
Pressing the [Start] button will then run the specified Diagnostic Code.
F F 2 3
How to Interrupt a Diagnostic
Press the [Stop] button when the diagnostic is still running.
Stopping a diagnostic that is running will return you to the Function Code input screen.
Pressing the [AC] button will return you to the Chain Code input screen ("C_").
Initial Issue
WorkCentre 5020

IOT Diagnostics

Input Diagnostics
The Input Diagnostics can be used to check the status of the various sensors in the engine, IIT,
and Trays.
Pressing the [Stop] button will stop the monitoring and return you to the Function Code input
screen. To resume the monitoring, press the [Start] button again.
Chain Func Sub Contents of Data
01 01 PH L/H (Left Side)
COVER
01 10 TRAY STM (Tray 2) L/H
COVER
01 11 PH L/H (Tray 1) LOW
COVER
01 12 PH FRONT COVER
05 10 IIT Platen COVER Open
05 11 IIT Carriage Home Sensor
07 07 TRAY Tray1 No Paper Sensor
07 08 TRAY STM No Paper Sensor
08 05 PH IOT Regi Sensor
08 06 TRAY STM Feed Sensor
08 07 TRAY Tray1 Feed Sensor
08 47 TRAY FEED READY
SIGNAL
09 02 XERO Drum Cartridge
Detected
July, 2007
6-5
Meaning
L: Cover is closed
H: Cover is open
L: Cover is closed
H: Cover is open
L: Cover is closed
H: FCover is open
L: Cover is closed
H: Cover is open
L: Cover is closed
H: Cover is open
L: Sensor is exposed
H: Sensor is blocked
L: Paper present
H: No paper
L: Paper present
H: No paper
L: No paper
H: Paper present
L: No paper
H: Paper present
L: No paper
H: Paper present
Level is high
Hot-Line Control
L: No Drum Cartridge
H: Cartridge present

General Procedures