Scanner Inspection Mode; Test Mode A - Brother MFC-P2000 - B/W Laser Printer Service Manual

9.

SCANNER INSPECTION MODE

The printer incorporates a
mode.
The
factory inspection program mode
test mode supports a few test programs. Refer to the table below;
<Test Mode A>
<Test Mode B>
To enter the factory inspection program mode , you can choose one of the following;
A) Turn on the power switch of the printer while pressing the Stop and Enlarge keys.
B) Press the Stop and Enlarge keys after turning on the power switch of the printer.
Note:


Once you press any keys other than the Stop and Enlarge keys when the power is
turned on, the printer cannot enter the factory inspection program mode any more
unless power is turned off and the select sequence is repeated.


The printer enters into Test Mode A immediately after entering the factory inspection
program mode. If you want to switch between these two test modes, press the Stop
key.
The following sections describe the detailed operation of each test mode.
9.1

Test Mode A

When the printer enters into Test Mode A, 'A' is shown on the seven-segment LED.
Then, press one of the keys to select the test program as follows;

Enlarge:

Photo:

Copy:

Stop:
A-1 Scanner Panel Test
The scanner panel test
scanner control panel and also the document front/rear sensors.
The operation of this test is as follows;
1) When the printer enters into this mode, all lamps on the scanner control panel are off.
2) When the Enlarge, Photo, Copy and Stop keys are pressed in order, each of the four
Enlarge/Reduce lamps come on from left to right in order. When all of the keys are
being pressed then all four lamps are ON.
3) When the four keys are recognized, the Photo lamp flashes, and each of the seven
segments on the LED is turned on in sequence.
scanner inspection
Scanner panel test
Line-feeding test
Maintenance copy test
Continuous test mode
(scanner panel test / line-feeding test / maintenance copy test)
Maintenance copy test
N/A
A-1 Scanner panel test
A-2 Line-feeding test
A-3 Maintenance copy test
Switch to Test Mode B
checks the four keys, five lamps and seven-segment LED on the
IV-35
mode, the factory inspection program
provides two types of test mode, and then each