Canon LBP-860 Service Manual page 184

M-16 I No Paper Pick-up from Multi-purpose Tray
Pick-up 2
motor
3 1 Place some paper on the multi-purpose
Pick-up
DC ~antroller
MP tray 4
pirk-up roller
clutch
solenoid
S e n s o r
Download Service Manual and Resetter Printer at http://printer1.blogspot.com
Check
Place some paper on lhe
the printer driver tester. Is the paper
picked up from the lray?
Place some paper on the multi-purpose
tray and perform a Lest print by using
motor w-art nlnntng?
tray and perform a test print by using
the printer driver tester. After the
prescribed time, does Che voltage
between connectors J602-A2 (MP) and
driver PCB change from 0 V Lo about
1.3 VDC?
When step 3 is carried out. does the
voltage between connectors 5702-2
PCB change from 0 V to about 24
VDC?
Result
multi-purpose Y E S
Replace the video controller
PCB.
NO Check by following the steps
in M- 12. "Faulty Pick-up
the
Replace the pick-up motor
driver PCB. If the problem
Y E S
NO
CHAPTER 6
Procedure
PCB, replace the DC
controller PCB.
Replace the MP tray pick-q
roller clutch solenoid.
Replace the sens"r PCB.