7-15
8
Document cannot be correctly inserted.
a. Problem with input-side rollers.
b. Defective PST sensor (photosensor) switch.
Problem Check
Item
Cause Remedy
Repair
See
Section
Is document correctly
inserted against the paper
feed roller?
Document inserted
incorrectly.
Correctly insert the
document.
−−−
Is document correctly
aligned at right edge?
Document inserted
incorrectly.
Correctly insert the
document.
−−−
Defective paper feed
roller springs.
Correctly install
springs.
3.3.1
3.3.3
3.3.4
3.3.5
3.4
a. Problem with
input-side
rollers
Is document inserted at an
slant?
Are the paper
reference in the body
cover and paper feed
roller perpendicular?
Readjust.
6.3.3
PST sensor incorrectly
mounted.
Correctly mount the
PST sensor.
Actuator top
incorrectly mounted.
Correctly mount the
Actuator top.
When a document is
inserted, does the Actuator
top interrupt the PST
sensor?
Is the sensor interrupted
when no document is
inserted?
Actuator top defective.
Replace the
Actuator top.
b. Defective PST
sensor
(photosensor)
Is photosensor PH1 on the
PST PCB functioning
correctly?
Photosensor PH1
defective.
Replace
photosensor PH1.
Replace
PH1.
3.3.3
3.3.4
3.3.5
3.4.2
3.5.1
3.10
Summary of Contents for LX-1200
Page 1: ...SERVICE MANUAL MODEL LX 1200 LX 300 ...
Page 2: ...COOL LAMINATOR SERVICE MANUAL MODEL LX 1200 LX 300 ...
Page 5: ...Chapter 1 SPECIFICATIONS ...
Page 9: ...Chapter 2 MECHANISMS ...
Page 20: ...Chapter 3 DISASSEMBLY PROCEDURES ...
Page 58: ...Chapter 4 ASSEMBLY PROCEDURES ...
Page 105: ...Chapter 5 ELECTRONIC CONTROLLERS ...
Page 127: ...Chapter 6 MAINTENANCE ...
Page 149: ...Chapter 7 TROUBLESHOOTING ...