Table of Contents
Advertisement
8
Document cannot be correctly inserted.
a. Problem with input-side rollers.
b. Defective PST sensor (photosensor) switch.
Problem
a. Problem with
Is document correctly
input-side
inserted against the paper
rollers
feed roller?
Is document correctly
aligned at right edge?
Is document inserted at an
slant?
b. Defective PST
When a document is
sensor
inserted, does the Actuator
(photosensor)
top interrupt the PST
sensor?
Is the sensor interrupted
when no document is
inserted?
Is photosensor PH1 on the
PST PCB functioning
correctly?
Check Item
Document inserted
incorrectly.
Document inserted
incorrectly.
Defective paper feed
roller springs.
Are the paper
reference in the body
cover and paper feed
roller perpendicular?
PST sensor incorrectly
mounted.
Actuator top
incorrectly mounted.
Actuator top defective.
Photosensor PH1
defective.
Cause
Remedy
Correctly insert the
document.
Correctly insert the
document.
Correctly install
springs.
Readjust.
Correctly mount the
PST sensor.
Correctly mount the
Actuator top.
Replace the
Actuator top.
Replace
photosensor PH1.
7-15
See
Repair
Section
−−−
−−−
3.3.1
3.3.3
3.3.4
3.3.5
3.4
6.3.3
3.3.3
3.3.4
3.3.5
3.4.2
3.5.1
3.10
Replace
PH1.
Advertisement
Chapters
Table of Contents
