SHARP ARE011 Technical Report

Date: May. 14, 1996

COPIER : AR-5040

No. : ARE-011

(Service Information)

ABOUT HANDLING THE DIP SW

1.Model Name: AR-5040

2.General: We are adding instructions on making adjustments to the above models, and also

changing the handling procedures for the DIP SW of the RADF control PWB as indicated below.

AR-5040

General view of the control PWB General view of the DIP switch

ROM

DIP SW

CPU

PUSH SW

OFF

ON SW No.1 2345

SHARP CORPORATION Reprography Division

1/2

Green

Adjust ments to the ADF

Please carry out the following three adjustments whenever changing any of the RADF/ADF sensors.

No. Adjustment Part adjusted

1 Initializing the E2PROM Adjustment in ADF unit mode 2 Adjusting each sensor Adjustment in ADF unit mode 3 Original halt position adjustment Adjustment using Sim. 53 of the copier unit

ADF unit mode (E2PROM/sensor) adjustment procedure

Before making adjustments...... Open the ADF back side maintenance cover.

Turn the copier off

DIP SW settings

While pressing on the switch (Push SW) above the ADF PWB, turn the copier on. (Keep the switch on for at least one second.)

Set the DIP SW See the DIP SW setting

chart to the right.

Adjustment DIP SW setting

E2 PROM initialization

Sensor adjustment

* All sensor adjustments for the AR5040 should follow the above chart.

ON OFF

2345

Model name

AR-5040

Open and close the paper supply or paper discharge cover. (Opening and closing the ADF also works.)

Push SW ON

The LED above the PWB flashes

Yes

Make any other necessary adjustments

Yes

AR-5040

Note 1:

When there are no problems, LED 1 on the PWB flashes. When there is a problem with the sensor, LEDs 3 or 4 flash. If this occurs, check each sensor for trouble.

2/2

Turn off all the push SWs. Turn the copier off.

That completes the procedure