Brother ADS-2000e, Service Manual

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4-10
Confidential
(9) Set the document for double feeding sensor threshold setting in the ADF, and execute
the maintenance mode function "Check ADF".
Refer to "1.3.3 Check ADF" in Chapter 5
(** of the double feeding sensor is read in "Check ADF" mode.)
(10) Execute the maintenance mode function "Acquire white level data and set CIS scan
area".
Refer to "1.3.5 Acquire white level data and set CIS scan area" in Chapter 5
(** of the double feeding sensor is read in "Acquire white level data and set CIS scan
area" mode.)
(11) Click the [Yes] button. The double feeding sensor threshold is calculated and stored in
the EEPROM of the main PCB.
When the setting is completed normally, "OK" is displayed on the screen.
If any error is detected during setting, "ERROR" is displayed on the screen.
(12) Turn OFF the power switch of the machine.
3.2 Checking Double Feeding Sensor Operation
Perform the steps below to check the machine's condition after repair or adjustment.
(1) Set the document for double feeding sensor threshold setting in the ADF, and execute
the maintenance mode function "Check ADF". (To check that a normal document is
ejected correctly)
(2) Set the document for double feeding check in the ADF, and execute the maintenance
mode function "Check ADF".
(To check that a non-standard document is not ejected and the machine stops)
When an error occurs, refer to the troubleshooting procedure to repair the machine.