Ess Diagnostics; Digital Input Tests; Digital Output Tests - Xerox Phaser 3010 Service Manual

ESS Diagnostics

Digital Input Tests

Digital Output Tests

Phaser 3010/3040/WorkCentre 3045 Service
ESS tests exercise major printer subsystems.
ESS Diag Tests
Item
FlashROM Test
DRAM Test
IOT Test
Light Flash R/W Test
OP Panel (Control Panel) Test
All Test
Select the component from the drop down box. Click the Start button to begin the
test. LOW or HIGH is displayed on the Result screen. The component operation is
checked in such a way that the component status is changed from [LOW] to
[HIGH] and vice versa by operating the actuator or opening/closing the door. To
stop the operation, click Stop. Component tests availabe under Digital Input are:
• Registration Sensor
• Exit Sensor
• Rear Door Interlock
• Toner Cartridge CRUM
Select the component from the drop down box. Click the Start button to begin the
test. As many as ten different components can be simultaneously operated.
However, it is recommended to operate one or two components at a time since
simultaneous operation of many different components can break them. To stop
the operation, click Stop. Component tests availabe under Digital Output are:
• Main Motor Normal
• Main Motor Slow
• Feed Solenoid On
• Dispense Motor On
Xerox Internal Use Only
Function
This test calculates the ROM
checksum and compares it with the
valid checksum stored beforehand
Tests OPEN/SHORT with the address
line of the DRAM. Performs write/
read/verify on the entire DRAM.
Tests communication with the IOT.
The Flash memory testing has design
back up the data and restores original
data in test area.
The OP panel test includes LCD, LED
and Key tests.
This test executes the all ESS tests.
Reference
A-5