Brother ADS-2000e, Service Manual

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4-7
Confidential
(8) 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.)
(9) 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.)
(10) 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.
(11) Turn OFF the power switch of the machine.
1.7 Checking Operation after Repair
Perform the steps below to check the machine's condition after repair or adjustment.
(1) Prepare some test chart sheets, and set them in the document tray.
(2) Insert the USB flash memory into the USB terminal.
(3) Press the [Scan to USB] button to begin scanning.
Check that sheets are picked up and fed one sheet at a time.
When an error occurs, refer to the troubleshooting procedure to repair the machine.
(4) When scanning is completed, remove the USB flash memory and connect it to the
computer. Check the scanned data on the computer. If the image is distorted, refer to the
troubleshooting procedure to repair the machine.