Service manual

Chapter 5
5-11
Memo
The transmission level for each baud rate and speed follows the service data.
5.5.4.5 Faculty Test
5.5.4.5.1 FACULTY Tests
0008-1992
The faculty tests are selected by pressing the numeric key 6 from the test mode menu.
These tests test the following faculties of this fax.
T-5-11
5.5.4.5.2 Sensor Tests
0008-1993
The sensor test is selected by pressing the numeric key 3 from the faculty test menu. In this test, you can check the status of each sensor of this fax in items 1 to 4
on the display.
You can also check if sensors that use actuators and microswitches are operating correctly by moving the actuator or microswitch.
F-5-13
7.2 kbps
4.8 kbps
2.4 kbps
Test type Overview
Sensor tests Test whether the sensors are operating correctly.
Operation panel test Tests whether the button switches on the control panel are operating
correctly.
Line signal reception test Tests whether the NCU board signal sensor and frequency counter are
operating correctly.
Cursor key Speed
Pressing the 1 key
Pressing the 2 key
DS : Document sensor on/of
DES : Document edge sensor on/of
HPS : Home position sensor on/of
JAM : Paper delivery jam detection on/of
TN : Toner sensor on/of and toner amount
JAM000 : JAM code display
010:Pickup delay jam
020:Pickup stationary jam
030:Delivery delay jam
040:Delivery stationary jam
050:Wrap jam/Initial jam
060:Cover open jam
CRG : Cartridge sensor on/of
FCV : Front cover switch on/of
ALS : Cassette recording paper sensor/Manual paper feed sensor
/Top sensor/Paper delivery sensor/Paper full sensor on/of
Not used
6-3 SENSOR
[1]---[4]
DS of DES of HPS of
JAM of JAM 000
TN of TN253
Pressing the 3 key
CRG of FCV on
ALS [ON of of of of]
Pressing the 4 key
0000000000