FS-6020
1-4-6
Service items Description
Printing a test pattern for detecting eraser lamp disconnection
Description
Prints a page that includes a test pattern (black bar with approximately 1 cm width) using
high voltage output control of engine/high voltage PWB. If the eraser operates normally, the
black bar is printed. If the eraser does not operate normally, the bar is not printed.
Purpose
To check for disconnection based on printing of the black bar. The conventional self-
diagnostic function does not check the eraser lamp disconnection error (error code 5300
[E5]).
Procedure
1. Load paper into the paper cassette.
2. Enter the service mode [>>Eraser].
3. Press the ENTER key. Message ā>>Eraser ?ā will be displayed.
4. Press the ENTER key.
5. A status page or a menu map will be printed. If the eraser lamp is normal, a page
including a test pattern (black bar with approximately 1 cm width) is printed.
Approximately
1 cm
Black bar
Paper
Fig. 1-4-2 Test pattern for detecting eraser lamp disconnection
>>Eraser
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