Transport Jam Occurred During Paper Feeding - Oki C3400n Maintenance Manual

(5-3)

Transport jam occurred during paper feeding.

Confirmation Items
(5-3-1) Check the motor operation
Paper feed motor, belt motor,
ID motor, ID up motor
Paper feed motor driver, belt
motor driver, ID up motor driver
43163501TH Rev. 1
Confirmation Tasks
By using the motor clutch test function of the maintenance utility,
check whether the paper feed motor and belt motor and ID
motor and ID up motor operate normally.
Check whether the load exists.
Pull the HOP connector of main board (BLA PCB) out, check the
following data on the cable side.
SEVERAL M_Between 1pin-FG
SEVERAL M_Between 2pin-FG
SEVERAL M_Between 3pin-FG
SEVERAL M_Between 4pin-FG
Pull the BELT connector of main board (BLA PCB) out, check
the following data on the cable side.
SEVERAL M_Between 1pin-FG
SEVERAL M_Between 2pin-FG
SEVERAL M_Between 3pin-FG
SEVERAL M_Between 4pin-FG
Pull the IDUP connector of main board (BLA PCB) out, check
the following data on the cable side.
SEVERAL M_Between 1pin-FG
SEVERAL M_Between 2pin-FG
SEVERAL M_Between 3pin-FG
SEVERAL M_Between 4pin-FG
Oki Data CONFIDENTIAL
Action at NG
Replace main board
(BLA PCB) or the
paper feed motor belt
motor ID motor ID up
motor or ID unit Abelt
unit with a new one.
When trying to use a
new belt unit, please
utilize the fuse keep
mode of the
maintenance utility.
(See Note! on page
154.) When trying to
use a new ID unit,
please be careful not to
break the fuse with jig
inside the ID unit.
(Please refer to page
132)
As for paper feed motor
or ID up motor or Belt
motor, Please replace
the main board (BLA
PCB) with a new one.
146 /