Service manual

Chapter 15
15-45
A press on '1' on the keypad on the FACULTY TEST menu selects the G3 transmission test. In this test, a G3 signal
is transmitted using the telephone line terminal and the speaker at 4800 bps.
Sensor Test (6-3: SENSOR)
This mode is used to check the state of a specific sensor of the machine on the LCD. A press on '3' on the keypad
from the FACULTY TEST menu selects the sensor test. The LCD indication changes as the sensor goes ON and
OFF.
The paper leading edge sensor (PS102), LGL paper sensor (PS101), and delivery sensor (PS3) cannot be checked by
running a sensor test.
F-15-21
6-3:SENOR
[1] - - - [7]
DS of DES of DDS of
CRG on DCVS on
HPS on RES on BCVS of
NDFS of DLS0 on DLS1 on
CT1 on A4 CT2 of
CT3 on CT4 of
MLT on A4 TN on
RS of JAM of
Press '1' on the keypad.
DS: original sensor*1 (PS6); 'on' if present, 'of' if absent.
DES: registration sensor*1 (PS7); 'on' if present, 'of' if absent.
DDS: original delivery sensor*1 (PS8); 'on' if present, 'of' if absent.
CRG: toner cartridge sensor: 'on/of' toner cartridge present/absent.
DCVS: reader unit slide detecting switch (SW1); 'on' reader unit in position,
'of' reader unit slid to left.
*1: indicates the state of a specific sensor of the ADF.
Press '2' on the keypad.
HPS: contact sensor home position sensor (PS1):
'on' contact sensor in home position,
'of' contact sensor not in home position.
RES: not used.
BCVS: ADF (copyboard cover) open/close sensor (PS2); 'on' cover open, 'of' cover closed.
NDFS: not used.
DLS0: not used.
DLS1: not used.
Press '3' on the keypad.
CT1: cassette paper sensor (P103); 'on' paper present, 'of' paper absent.
CT2: not used.
CT3: not used.
CT4: not used.
Press '4' on the keypad.
MLT:manual feed tray paper sensor (PS4); 'on' paper present, 'of' paper absent.
TN: toner sensor; 'on' toner present, 'of' toner absent.
RS: not used.
JAM: jam status; 'on' jam detected, 'of' jam not detected.
BSCT on BDOC[A3 ]
BDSS3-0 [of of of of]
Press '5' on the keypad.
Not used.