If You Replace The Document Scanner Unit; Acquisition Of White Level Data (Maintenance Mode: Code 55); Scanning And Printing Check; Placement Of Scanner Unit In Position For Transportation (Maintenance Mode: Code 06) - Brother DCP-7055 Service Manual

4. IF YOU REPLACE THE DOCUMENT
SCANNER UNIT
<What to do when replacing the document scanner unit>

• Acquisition of white level data (Maintenance mode: code 55)

• Scanning and printing check

• Placement of scanner unit in position for transportation (Maintenance mode: code 06)

4.1 Acquisition of White Level Data
(Maintenance Mode: Code 55)
Perform the acquisition of white level data and scanner area setting in accordance with
"1.4.18 Acquisition of white level data (Function code 55)" in Chapter
4.2 Scanning and Printing Check
Scan the test chart TC-023 with ADF, and make sure there are no problem of the printed
image.
Make sure there are no problem of the ADF, scanner unit and the performance of recording
part.
4.3 Placement of Scanner Unit in Position for Transportation
(Maintenance Mode: Code 06)
Perform the placement of document scanner unit in the position for transportation in
accordance with
code 06)" in Chapter

5. IF YOU REPLACE THE PANEL UNIT

<What to do when replacing the panel unit or LCD unit>

• Operation check of LCD (Maintenance mode: code 12)

5.1 Operation Check of LCD (Maintenance Mode: Code 12)
Check performance of the LCD in accordance with
(Function code 12)" in Chapter
5.2

Operation Check of Control Panel Button (Maintenance Mode: Code 13)

Check performance of the control panel button in accordance with
of control panel button (Function code 13)" in Chapter
"1.4.3 Placement of scanner unit in position for transportation (Function
5.
5.
"1.4.7 Operational check of LCD
5.
4-9
5.
"1.4.8 Operational check
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