Brother ADS-2000e, Service Manual

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5-4
Confidential
1.3.3 Check ADF
<Function>
This function is used to check whether the document set in the ADF is fed correctly while
counting the number of documents.
<Operation Procedure>
(1) In function number selection mode of maintenance mode, set the document in the ADF.
(2) Press the [Scan to USB] button four times. The Power LED lights.
(3) Press the [Stop] button. The document is picked up and fed one sheet at a time, and the
Scan to USB LED lights each time.
Check that the number of times the LED lights matches the number of documents set.
(4) Press the [Stop] button. The machine returns to function number selection mode.
1.3.4 Check sensor operation
<Function>
This function is used to check whether the sensors are operating normally.
<Operation Procedure>
(1) In function number selection mode of maintenance mode, press the [Scan to USB]
button five times. The Power LED and the Scan to USB LED light.
(2) Press the [Stop] button.
(3) The Scan to USB LED flashes one to three times when the ON/OFF status is changed
for the document detection sensor, document scanning position sensor, top cover
sensor and front cover sensor. When the ON/OFF status has been changed for all of the
four sensors above, the Scan to PC LED remains lit.
(4) Press the [Stop] button. The machine returns to function number selection mode.
1.3.5 Acquire white level data and set CIS scan area
<Function>
This function is used to check the CIS flat cable connection, acquire the white level for the CIS
scanner, set the scan area, and store these data in the EEPROM of the main PCB.
<Operation Procedure>
(1) In function number selection mode of maintenance mode, press the [Scan to USB]
button six times. The Power LED and the Scan to PC LED light.
(2) Press the [Stop] button. All LEDs go out, and the machine enters standby mode.
(3) Press the [Scan to PC] button or the [Scan to USB] button. The machine begins the
following operations: check CIS flat cable connection, acquire white level for CIS
scanner, and set scan area.
(4) When these operations are completed correctly, the Power LED and the Scan to PC
LED light.
If any error is detected, the Scan to USB LED lights, along with the Error LED and the
Power LED flash.
(5) Unplug the AC cord from the outlet to finish operation.