Scanner Does Not Feed Properly - Canon imageFORMULA P-215 Service Manual

4. Scanner Does Not Feed Properly

Note: If temporary stop occurs frequently, perform steps 1 to 8 in this section and refer to "5. Scan-
ning Speed is Slow".
Cause/Faulty
Location
Document
(included the card)
Setting documents
Separation pad
Roller
Parts touching
documents
Cable connection
Gear
Motor
Sensors
(Each PCB, upper
FPC)
COPYRIGHT © CANON ELECTRONICS INC. 2011
Step Check Item
1 Specified document?
(thickness, size, fold or curl)
2 Are documents stuck to-
gether?
3 Is the position of the docu-
ment guide correct?
4 Are many documents set?
5 Are the separation pad and
rollers installed properly?
6 Are they dirty or deformed?
7 Parts touching documents
installed properly? (no float
or slant)
8 Is the surface
documents smooth? (no flaw
or burr)
9 Are the motor and sensor
cables connected properly?
10 Are the gears
properly?
11 Is the motor attached prop-
erly?
12 Is the operation normal when
you perform an operation
check with
mode?
13 Is the operation normal when
you perform an operation
check with
mode?
Table 5-404
CANON P-215 FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Result
NO
YES
NO
YES
NO
NO
NO
touching NO
NO
attached NO
NO
NO
the service
NO
the service
Action
Use documents com-
pliant with the speci-
fied.
Fan the documents
well.
Correct the position.
Reduce the number of
documents.
Assemble properly.
Clean or replace them.
Assemble properly.
Replace inferior parts.
Connect properly.
Assemble properly.
Replace inferior parts.
Assemble properly.
Replace the motor.
Check installation of
the sensor lever and
light guide.
Replace the installed
PCB and upper FPC.
5-21