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Confidential

CHAPTER 4 ADJUSTING AND UPDATING SETTINGS

AS REQUIRED AFTER PARTS REPLACEMENT

This chapter describes adjustments and updating of settings, which are required if the main

PCB ASSY and some other parts have been replaced.

CONTENTS

1. IF YOU REPLACE THE MAIN PCB ASSY................................................................... 4-1

1.1 Installing Firmware ................................................................................................4-2

1.1.1 Checking firmware version.........................................................................4-2

1.1.2 Installing firmware using USB flash memory..............................................4-2

1.1.3 Installing firmware using PC.......................................................................4-3

1.2 Setting by Country .................................................................................................4-3

1.3 Initializing the EEPROM of the Main PCB ASSY ..................................................4-3

1.4 Setting Serial Number and Entering Adjusted Value of Laser Unit........................4-4

1.5 Acquiring White Level Data ................................................................................... 4-5

1.6 Adjusting Touch Panel (Touch Panel Models Only)...............................................4-5

2. IF YOU REPLACE THE LASER UNIT..........................................................................4-6

2.1 Entering Adjusted Value of Laser Unit...................................................................4-6

3. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY....................4-8

3.1 Resetting Irregular Power Supply Detection Counter............................................4-8

4. IF YOU REPLACE THE HIGH-VOLTAGE POWER SUPPLY PCB ASSY ...................4-9

4.1 Initializing Pre-discharge Detection Parameters....................................................4-9

5. IF YOU REPLACE ANY PERIODIC REPLACEMENT PARTS .................................. 4-10

6. IF YOU REPLACE THE CONTROL PANEL ASSY OR TOUCH PANEL ASSY ........ 4-11

6.1 Installing Firmware (Touch Panel Models Only) .................................................. 4-11

6.1.1 Checking firmware version....................................................................... 4-11

6.1.2 Installing firmware using USB flash memory............................................4-12

6.1.3 Installing firmware using PC.....................................................................4-12

6.2 Adjusting Touch Panel (Touch Panel Models Only).............................................4-13

6.3 Checking LCD Operation.....................................................................................4-13

6.4 Checking Control Panel Operation ......................................................................4-13

7. IF YOU REPLACE THE DOCUMENT SCANNER UNIT,

ADF UNIT (DUPLEX SCANNING MODEL), OR CIS UNIT ....................................... 4-14

7.1 Acquiring White Level Data (function code: 55) ..................................................4-14

Brother DCP-8157DN User Manual

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