FujiFilm CR-IR341 Service Manual page 372

1 2
C
ONTENTS
03C1
Preliminary steps:
1. Power OFF the machine and remove the covers.
2. Turn OFF the high-voltage switch (S1) of the SCN08A board.
3. Remove the scanning optics unit.
4. Check for any foreign matter (lead character marking chips, etc.) inside the machine, and, if any, remove it all.
Power OFF
Is the drive system of the
subscanning unit normal?
Rotate the driving shaft by hand
to check that the driving shaft
rotates smoothly.
Move the cam to check that the
upper rubber roller moves down.
Y
Power ON
Is the operation of MZ1 (FFM)
normal?
Referring to the (MZ1) check
/replacement procedures
described in Section 6.10.23 of
Chapter 6, perform the following
checks.
FFM (MZ1) operation check 1
FFM (MZ1) operation check 2
Y
Power ON
Is SD3 normal?
With "6. MECH" of M-Utility,
execute sensor monitoring to
check the SD3 status.
With a slip of paper or the like,
block the SD3 light path to check
that the sensor status is as follows.
Light blocked: "close"
Light transmitted: "open"
Y
Restart the machine
and check its status.
009-051-04
05.31.99 FM2460
3 4 5 6
N
Adjust/replace the following
parts.
¤
Kapton belt
SUS belt/rubber belt
Tensioner
Upper rubber roller/shaft
/grip spring
Grip arm/cam
Power OFF
Is the connector connection
N
from MZ1 to SNS08A board
normal?
Power OFF
Is the fuse (F3/F4) of the
power supply unit (JPS-1)
normal?
Replace the following parts
in order named.
MZ1
SNS08A board
Power OFF
Remove dust or soil from the
sensor. Power ON again to
N execute sensor monitoring.
Is SD3 normal?
Y
Power OFF
Is SD3 installed normally?
Power OFF
Is the connector connection from
SD3 to SNS08A board normal?
Replace the following parts
in order named.
SD3
SNS08A board
DRV08A board
CR-IR341 Service Manual
Subscanning
unit
N
Check the error-related system
block diagram and connect the
connectors as appropriate.
Y
N
Replace the following parts
in order named.
Fuse (F3/F4)
DRV08A board
Y
Power supply unit
N
N
Y
N
Y
MT - 103
Tensioner
SUS belt
Rubber belt
Driving
Pulley
shaft
Right-hand side
transparent cover
Tensioner
¤
Kapton belt
Subscanning
unit
Pulley
Flywheel
Left-hand side
transparent cover
FR1H0047.EPS
Install the sensor properly.
Check the error-related
system block diagram and
connect the connectors as
appropriate.
FR1H0048.EPS
MT - 103