Brother ImageCenter ADS-2400N, Service Manual

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4-14
Confidential
2. IF YOU REPLACE THE CIS UNIT
<What to do after replacement>
• Acquire white level data and set CIS scan area
• Check multi feeding operation
• Checking operation after repair
 What you need to prepare
(1) Calibration sheet (LD1914001)
(2) USB flash memory
(3) Scan limit sample
(4) Test chart DS-001 (LD1625001)
2.1 Acquire White Level Data and Set CIS Scan Area
(1) Wipe the first and second side CIS glass four times in the same direction with a cleaning cloth.
(2) Open the front cover and set it on the gray tape of the first side CIS unit so that the white
part of the calibration sheet overlaps with it.
(3) Close the front cover.
(4) Press and hold the [X] and [to USB] keys simultaneously, and plug the AC power cord into
the outlet. Check that the Power LED and the Error LED are lit, and release these two keys.
(5) Press the [X], [to USB], [to PC], and [X] keys in this order.
The to Network Device1 LED, to Network Device2 LED, and to Network Device3 LED flash.
(6) Press the [to USB] key six times. The Power LED and the to PC LED light.
(7) Press the [X] key, and then press the [to PC] or the [to USB] key.
(8) Once the to PC and the to USB LED light, open the front cover and remove the
calibration sheet.
(9) Close the front cover and press the [to PC] or the [to USB] key. The machine saves the scanning
compensation data to EEPROM and the to Network Device1 LED, the to Network Device2 LED,
the to Network Device3 LED, the to PC LED, the to USB LED and the Power LED light.
(10) Wipe the first and second side CIS glass four times in the same direction with a cleaning cloth again.
(11) Turn OFF the power of the machine to finish it.
Note:
• Keep the calibration sheet in the black bag to prevent a dirt and a change of color when
it is not used. The machine can not acquire scanning compensation data correctly when
it's dirty or discolored.
Calibration sheet
Longer side