2A3/4
3-6-26
Problem
Causes/check procedures
Corrective measures
(3)
An original
jams in the
SRDF during
copying (a
jam in the
original feed/
conveying
section).
With 5 V DC present at
CN6-A15 on the DF driver PCB,
check if CN6-A14 on the DF
driver PCB remains low when
the DF timing switch is turned
on and off. If it does, replace
the DF timing switch.
With 5 V DC present at CN6-B4
on the DF driver PCB, check if
CN6-B5 on the DF driver PCB
remains low when the original
feed switch is turned on and off.
If it does, replace the original
feed switch.
With 5 V DC present at CN6-A6
on the DF driver PCB, check if
CN6-A5 on the DF driver PCB
remains low when the original
switchback switch is turned on
and off. If it does, replace the
original switchback switch.
Check and remedy.
Check visually and replace the
deformed pulley.
Check visually and replace the
deformed pulley.
Check visually and replace the
deformed pulley.
Defective DF timing switch.
Defective original feed switch.
Defective original switchback
switch.
Check if the original feed motor
malfunctions.
Check if the DF original feed
pulley or the DF separation pul-
ley is deformed.
Check if the DF registration
roller or the DF registration pul-
ley is deformed.
Check if the lower original con-
veying roller or the front scan-
ning pulley is deformed.
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...