Defective Sensor Table - Ricoh FT5540 Service Manual

31 August 1989

2. DEFECTIVE SENSOR TABLE

Name
1st and 2nd Paper End
1st and 2nd Paper Size
Manual Feed
1st and 2nd Lift
Registration
Problem
Condition
Open Paper End indicator stays on.
Short Paper End is not indicated and Start key stays
green even when paper runs out.
The erase unit does not function properly.
Open
* is indicated when the A3 or 11" x 17"
cassette is installed.
A4 sideways is indicated when the A4
lengthwise cassette is installed.
8.5" x 11" is indicated when the 11" x 8.5"
cassette is installed.
Short The erase unit does not function properly.
A4 lengthwise is indicated when the A4
sideways cassette is installed.
11" x 8.5" is indicated when the 8.5" x 11"
cassette is installed.
Manual Feed is indicated when the manual
Open
feed table is closed.
Manual Feed is not indicated when the
Short
manual feed table is opened.
The SC (41: 1st, 42: 2nd, 43: 3rd, 44: 4th) is
Open
incremented 20 seconds after the cassette is
installed.
The lift motor does not turn on and copying is
Short
inhibited when the cassette is installed.
Open When the Start key is pressed, the copy
paper is fed to the registration section, where
a misfeed occurs. "A" lights on the Misfeed
Location indicator.
"A" lights on the Misfeed Location indicator
Short
when the main switch is turned on.
13-8