Canon LBP-860 Service Manual page 190

Laser beam printer
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1
T-l
Pick-up section
1
Step
I'ossiblr
C~USP
~
'
Print paper
1
; 2
3
4
paper
5
PIint
loaded
inrorrectly on
the
multi-purpose
tray
Too
much
6
paper on the
m u l t i - p u r p o s e
tray
P i c k - u p r o l l e r 7
Pick-up lailure
CWS<!llP
8
P a p e r l o a d e d 9
inrorrrctly
i n
the rasseltr
Paper
'I."" much
paper in
cassette
CasWllr
12
pick-up
rollers
Pick-up failure ~
C h e c k
Is the paper curled or wrinkled?
Does this problnn "CI'UT with
casscttc
f e e d ?
Does this problem occur when feeding
from th? envelope feeder?
Does
the left leading edge of the prinl
paper touching the end of the
multi-purpose 1 ray?
Is th? multi-purpose tray overloaded?
Dors the pick-up roller rotate when
printing is performed?
Is the cassette positioned correctly in
thr printer or the paper feeder?
Is lhe paper touching the cassette
hook properly?
1s the paper folded?
1s Ihe cassettr overloaded?
Are the cassette pick-up rollers worn
or
d e f o r m e d ?
Replace the paper. Advise
the customer on how to
store the paper.
the
Y E S
Proceed to step 8.
Y E S
Poceed to step 13.
Load the paper correctly
O
N
into the multi-purpose
tray.
YES Advise the user not to load
the excessive amount of
paper.
Y E S
Replace the roller.
NO
Check by following the step:
in M- 16. "No Paper Pick-up
from Multi-purpose Tray".
N O
Position the cassette
correctly.
NO
Load the paper correctly.
Replace the paper.
Y E S
Y E S
Advise the user not to load
the excessive amount of
paper.
YES Replace the rollers.
NO
Check by following the
steps In M- 15 "No Paper
Pick-up from Upper
Cassette", or in M- 17. "No
Paper Pick-up from Lower
Cassette".
CHAPTER 6
6-43

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