12. SERVICE MODE Field Service Ver. 2.0 Jul. 2009
590
ADJUSTMENT / SETTING
12.14.5 Sensor Check
A. Use
• To check sensors on the paper path.
• When a document misfeed occurs.
B. Procedure
1. Call the Service Mode to the screen.
2. Touch [ADF] o [Sensor Check].
3. Operate the sensor to check by using paper or the like, and check the screen display.
(Paper detected: 1, No paper detected: 0)
C. Sensor check screen
• This is only typical screen which may be different from what are shown on each individ-
ual main unit.
D. Sensor check list
A0P0F3E609DA
Symbol Panel display Part/Signal name
Operation characteristics/
panel display
10
PS1 Feed Open&Shut Feed open/close sensor Open Close
PS2 Read Open&Shut Read open/close sensor Open Close
PS3 Regist Registration sensor
Paper
present
(Blocked)
Paper not
present
(Unblocked)
PS4 After Separate After separate sensor
Paper
present
(Unblocked)
Paper not
present
(Blocked)
PS5 Eject Exit sensor
Paper
present
(Unblocked)
Paper not
present
(Blocked)
PS6 Read Roller Read roller sensor
Pressure
(Blocked)
Retraction
(Unblocked)
PS7 Reverse Roller Reverse roller sensor
Pressure
(Blocked)
Retraction
(Unblocked)
Service Manual Y110571-1