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Brother DP-525CJ Service Manual: Failure Analysis; Table 3.1 Failure Analysis

Word processor.
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Troubleshooting
6.

Failure Analysis

The following table lists the failure problems for troubleshooting all basic systems. See
the Troubleshooting Tables on the following pages for a troubleshooting protocol.
No
1
Nothing happens when the power is switched on (Nothing appears on the LCD).
2
When the power is switched on, the LCD display operates but the carrier does not
return to its home position.
3
When the power is switched on, the carrier moves to the right but cannot detect
its home position (i.e., the home position indexing mechanism is faulty).
4
Keys malfunction (do not insert characters or insert wrong characters)
5
Printing results abnormal (various unsatisfactory printing results)
6
The line feed (LF) motor does not rotate normally.
7
The buzzer does not sound.
8
Power in on, but nothing appears on the LCD.
9
LCD displays operates, but data displayed is incorrect (does not match input).
10
Word Processor prints when no paper is set, or will not print when paper is set
(Paper End Sensor malfunction).
11
The FDD does not operate correctly.
12
Communication function (optional fax/modem) does not work or does not work
properly.
13
An error message appears on the display.

Table 3.1 Failure Analysis

Problem
3-6
REPAIR
SERVICE MANUAL

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  • brian aaron Jan 27, 2017 03:48:
    1-26-2017
    ​I have a brother dp 540cj and it has a built in diskette drive.
    I have a ibm thinkpad latop. I connected a Memorex external usb floppy drive to the ibm thinkpad laptop. i'm copying 3 files from the ibm thinkpap (notepad) to the square 1.44 mb diskette. no problem, the 3 files were copied to the diskette.
    ​I turn on the brother dp 540cj, select file manager, insert the square diskette. the brother dp 540cj open only the file names on the disk. I try to open word text on either of the 3 files on the disk and the brother dp 540cj don't open the word text in any of the 3 files. I have been trying for several days to open the word text on the files using the brother dp 540cj and don't have any further instructio​ns for this problem. I tried saving the file names to all coding - Unicode, ansi utf-8 and can't fix the electronic problem.
    m​y email address is snowwash@j​uno.com