Ricoh D158 - Switches

Electrical Component Defects
D158/D159/D160/D161/D170 5-105 SM
Trouble-
shooting
5.3.2 SWITCHES
Component CN Condition Symptom
Upper Paper
Size
115-
1,2,3,5
(BICU)
Open The CPU cannot detect the proper paper
size, and misfeeds may occur when a copy
is made from the 1st paper tray.
Shorted
Vertical
Transport Door
110-5
(BICU)
Open
The Cover Open indicator is lit even if the
vertical transport door is closed.
Shorted
The Cover Open indicator is not lit even if
the vertical transport door is opened.
Lower Paper
Size
113-
1,2,3,5
(BICU)
Open The CPU cannot detect the proper paper
size, and misfeeds may occur when a copy
is made from the 2nd paper tray.
Shorted
By-pass Paper
Size
136-
3,4,5,6,7
(BICU)
Open
The CPU misdetects or is not able to detect
the size of the paper set in the bypass tray,
causing possible misfeeds when feeding
from this tray.
Right Door
124-5
(BICU)
Open
The Cover Open indicator is lit even if the
right door is closed.
Shorted
The Cover Open indicator is not lit even if
the right door is open.
Front/Right
Cover
130-1
(BICU)
Open
The Cover Open indicator is lit even if
doors are closed.
Shorted
The Cover Open indicator is not lit even if
doors are open.
Main
281-3,4
(PSU)
Open The machine does not turn on.
Shorted The machine does not turn off.
Rev. 11/07/2013