Digital Output (Do) Test; Executing Digital Output (Do) Test - Dell 2135cn Service Manual

4.2.3 Digital Output (DO) Test

This function checks whether the DO components operate.
When the interlock is opened while the DO test is performed, each component ends to operate.
In this Test Mode, each DO component can be turned individually. Therefore it allows
the customer to check a component' s operation from outside, and judge whether the
component is normal or not.
When all the diag. functions are stopped, all the DO components can be turned off.
DO test can make each of the DO components operate simultaneously.
When a paper jam or PQ problem is occurred, or an error message or code is displayed, this test
enables to look for the broken or damaged parts.
Test result: NG (Go to each FIP or replace the parts.)
OK (Turn off/on the main power.)

4.2.4 Executing digital output (DO) test

1) Turn off the power.
2) Turn on the power while holding down "
3) Release the fingers from these keys when "Please wait..." is displayed.
4) The "Customer Mode", "Printer" and "FAX Scanner" are displayed. (Entered the Diag. mode.)
5) Press "
6) Press " " key to select "IOT Diag", and then press "
7) Press " " key to select "Digital Output", and then press "
8) Press " " or "
9) Press " " key to execute the test.
To exit the test press the "CANCEL" key, and to return to one step higher menu, press the
"Menu" key.
Parameters for the Digital Output Test are as follows.
DO-0,1,2
DO-5,6,7
DO-b ,c
DO-1e,1f
DO-21
DO-23
DO-25
DO-27
DO-29
DO-3d
Version 2 2008.03.31
" key. (Entered the Printer Diag. mode.)
" key to select test item.
Code
Main Motor
Sub Motor
DO-a K Mode SOLENOID
CASSETTE1 FEED SOLENOID (Half / Full Rotation)
Fan (HIGH)
Yellow Toner Motor
Magenta Toner Motor
Cyan Toner Motor
Black Toner Motor
Regi Clutch
DO-2f CASSETTE1 FEED SOLENOID (Auto OFF)
Black Drum Erase Lamp
DO-3f Yellow, Magenta and Cyan Drum Erase Lamp
" and " " keys.
" key.
Components
2 - 20
Chapter 2 Operation of Diag.
" key.