Konica 7045 GUIDE MANUAL 7045030e
3
DISASSEMBLY/ASSEMBLY
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
1 MAIN BODY
2
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
This section explains how to disassemble and reassemble the machine.
When disassembling and reassembling the machine, follow the precautions given below.
1. Be sure the power cord has been unplugged from the wall outlet.
2. The disassembled parts must be reassembled following the disassembly procedure in reverse unless otherwise specified.
3. Care should be taken not to lose small parts. Care should also be
taken not to install machine parts in wrong places.
4. Do not operate the machine before installing all the disassembled
parts completely.
5. Removal of some screws is prohibited in this section. Never loosen
them.
EXTERNAL SECTION
[1] Replacing the Ozone Filter
Caution: Be sure that the power cord has
been unplugged from the power
outlet.
a. Procedure
(1) Remove the one set screw, then remove the rear cover
(2).
(2) Remove the two set screws holding the conveyance
suction (FM4).
EXTERNAL SECTION
(5)
Reinstall the ozone filter in the opposite sequence to removal.
Filter retainer
Ozone filter
Hook
Caution 1: When installing the ozone filter, ensure
that the hook is at the front, as shown
in the figure.
FM4
1 MAIN BODY
2 UNIT EXPLANATION
Set screws
Conveyance
suction
Rear cover (2)
(3) Pull out the conveyance suction towards you. Do not
strain the wires during this process.
(4) Replacing the ozone filter.
Hook
Hook
Set screw
Filter retainer
Caution 2: Be sure to install the filter retainer.
3 DIS./ASSEMBLY
When reinstall
the toner filter,
place the label
on the outside.
Ozone filter
Conveyance suction
3-A-1
EXTERNAL SECTION
[2] Removing and Reinstalling the Rear
1 MAIN BODY
a. Procedure
2
(1) Remove the ten set screws, then remove the rear
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
Cover
cover.
Rear cover
Set screws
Set screws
Set screws
[4] Removing and Reinstalling the Side
Cover (right)
a. Procedure
(1) Pull out the ADU and tray1, and open the front door.
(2) Open the by-pass tray.
(3) Loosen the four set screws, then remove the side cover
(right).
By-pass tray
Side cover (right)
Set screws
(2) Reinstall the rear cover in the opposite sequence to
removal.
[3] Replacing the Fixing Filter
a. Procedure
(1) Remove the rear cover.
(2) Replacing the fixing filter.
Fixing filter
(4) Reinstall the side cover (right) in the opposite sequence
to removal.
(3) Reinstall the fixing filter in the opposite sequence to
removal.
3-A-2
DRIVE SECTION
DRIVE SECTION
[1] Disassembly and Reassembly
Caution : Disassembly and reassembly of the drive
section is not made in the normal service.
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
3-B-1
1 MAIN BODY
2
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
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READ SECTION
READ SECTION
[1] Screws That Must Not Be Removed
a. The 16 set screws of the CCD unit
Screw that must
not be removed
Screws that must
not be removed
Screws that must
not be removed
Screws that must
not be removed
Screws that must not be
removed (on the (CCD)
CCD sensor board side)
Screws that must
not be removed
Screws that must
not be removed
Screws that
must not be
removed
[2] Removing and Reinstalling the CCD
Unit
Caution: Be sure that the power cord has
been unplugged from the power
outlet.
Caution: Be sure to perform image quality adjustment
after installing the CCD unit. (For details,
refer to “Adjustment section” in Field
Service.)
a. Procedure
(1) Remove the two set screws (with step), then remove
the original stopper plate.
(2) Remove the two set screws, then remove the read
cover (right).
(3) Remove the three set screws (with step), then remove
the original stopper plate (rear).
(4) Remove the original glass.
Original stopper plate (rear)
Set screws
(with step)
Original stopper
plate
Set screws
(with step)
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
3-C-1
Original glass
Set screws
Read cover (right)
READ SECTION
(5) Loosen the three set screws and remove the nine set
1 MAIN BODY
2
2 UNIT EXPLANATION
(6) Remove the side cover (right).
(7) Loosen the three lower set screws and remove the
3 DIS./ASSEMBLY
screws, then remove the lens light shield cover.
Set screws
Loosen the
set screws
Lens light
shield cover
Set screws
(Refer to “External section”)
three upper set screws, then remove the cover plate.
Loosen the three set screws
(8) Disconnect the two connectors (CN12,13) from the
image control board.
Image control board
Connector
(CN13)
Connector
(CN12)
(9) Remove the two set screws and loosen ground plate
fixed screw, then remove the CCD unit.
CCD unit
Set screws
Ground plate fixed screw
Set screws
Cover plate
(10) Reinstall the CCD unit in the opposite sequence to
removal.
3-C-2
READ SECTION
[3] Replacing the Exposure Lamp (L1)
Caution: Be sure that the power cord has
been unplugged from the power
outlet.
Caution 1: When removing the lamp terminals, be
sure to hold the contact terminal.
Caution 2: Never pull the cord.
Caution 3: Do not touch the glass of the L1 with
bare hands.
Caution 4: Check to ensure that you have not
forgotten to insert a connector or install
a screw, and also that a cord is not
crushed.
a. Procedure
(1) Remove the two set screws (with step), then remove
the original stopper plate.
(2) Remove the three set screws (with step), then remove
the original stopper plate (rear).
(3) Remove the original glass.
Original stopper plate (rear)
Set screws
(with step)
Original stopper
plate
(4) Remove the read cover (front).
(5) Remove the two set screws, then remove the glass
stopper plate.
Set screws
Glass
stopper
plate
Read cover (front)
Caution: When re-installing the original stopper
plate ensure that the film attached to the
original glass (1) is on top of the glass
stopper plate.
(6) Remove the three set screws, and move the read cover
(rear) to the rear.
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
Set screws
(with step)
Set screws
Read cover (rear)
Original glass
(7) Move the exposure unit to the position of the notch in the
main body frame at the rear.
3-C-3
READ SECTION
(8) Remove the two set screws from the exposure lamp (L1).
1 MAIN BODY
2
2 UNIT EXPLANATION
(9) Remove the two set screws, then remove the L1 in-
(10) Disconnect the connector (CN29) from the L1 inverter.
(11) Remove the set screw holding the exposure lamp on
3 DIS./ASSEMBLY
Set screw
Exposure lamp
Set screw
notch
verter (L1 INVB).
the rear side, then remove the exposure lamp.
Exposure lamp
Cord clamp
[4] Removing and Reinstalling the
Exposure Unit
Caution: Be sure that the power cord has
been unplugged from the power
outlet.
Caution 1: Never pull the cord.
Caution 2: Check to ensure that you have not
forgotten to insert a connector or install
a screw, and also that a cord is not
crushed.
Caution 3: Use a optics position adjusting jig
when installing the exposure unit.
Caution 4: Be sure to perform image quality
adjustment after installing the
exposure unit. (For details, refer to
“Adjustment section” in Field Service.)
Caution 5: When reinstalling the original stopper
plate ensure that the film attached to
the original glass (1) is on top of the
glass stopper plate.
Caution 6: Before installing the original glass (1),
be sure to clean it. (To prevent the
image defect)
Set screws
L1 inverter
Connector (CN29)
(12) Reinstall the exposure lamp in the opposite sequence
to removal.
Caution: Be sure to check the image after installing
the exposure lamp. (For details, refer to
“Adjustment section” in Field Service.)
a. Removal procedure
(1) Remove the two set screws (with step), then remove
the original stopper plate.
(2) Remove the three set screws (with step), then remove
the original stopper plate (rear).
(3) Remove the original glass.
(4) Remove the two set screws, then remove the read
cover (left).
(5) Remove the read cover (front).
Original stopper plate (rear)
Original stopper plate
Set screws
Read cover
(left)
Set screws
(with step)
Read cover (front)
Set screws
(with step)
Original glass
3-C-4
READ SECTION
(6) Remove the two set screws, then remove the two glass
holders and original glass (1).
(7) Remove the two set screws, then remove the glass
stopper plate.
Set screws
Set screws
Glass stopper plate
(8) Remove the ten set screws, then remove the rear
cover.
(Refer to “External section”)
(9) Remove the RADF.
(Refer to the service handbook of the DF-315)
(10) Remove the three set screws, disconnect the relay
connector (CN91), then remove the read cover (rear).
Set screws
Read cover (rear)
Relay connector (CN91)
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
Glass holders
Original glass (1)
(11) Move the exposure unit to the position of the notch in the
main body frame at the rear.
(12) Remove the four set screws each, then remove the two
exposure unit mounting pieces (front and rear) from the
exposure unit.
Set screws
Exposure unit mounting
piece (front)
notch
Exposure unit mounting
piece (rear)
Set screws
3-C-5
READ SECTION
(13) Remove the exposure unit from the main body frame
1 MAIN BODY
(14) Disconnect the connector (CN28) from the L1 inverter
2
(15) Remove the one set screw, then remove the lamp cord
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
while rotating it to the left.
(L1 INVB).
from the exposure unit.
Connector (CN28)
Set screw
Lamp cord
Exposure unit
b. Reinstallation procedure
(1) Open the front door and open the toner supply unit.
(2) Remove the one set screw holding the front door belt on
the left side.
(3) Remove the six set screws and disconnect the three
connectors (CN59, CN210, CN211), then remove the
operation panel.
Set screw
Connector (CN210)
Connector
(CN211)
Connector
(CN59)
Front door belt
Operation
panel
Set screws
Set screw
(4) Install the exposure unit to the main body.
(5) Install the front and rear mounting pieces of the expo-
sure unit in the slit of the exposure unit, then temporarily
fix them with four set screws each.
Set screws Set screws
Exposure unit mounting
Exposure unit mounting
piece (front)
piece (rear)
3-C-6
READ SECTION
(6) Move the V-mirror unit to the paper exit side, then insert
the two optics position adjusting jigs into the exposure
unit mounting position from the front.
At this time, pass through the optics position adjusting
jigs into each unit and fasten the exposure unit and Vmirror unit.
V-mirror unit
Paper exit side
Exposure unit
Optics position adjusting jigs
(7) Fasten the exposure unit mounting pieces (front and
rear) with the four set screws.
(8) Remove the optics position adjusting jigs and install the
operation panel.
(9) The reminder of the installation procedure is in the
opposite sequence to removal.
[5] Removing the Optics Wire
Caution: Be sure to perform image quality adjustment
after replacing or re-installing the wire.
(For details, refer to “Adjustment section”
in Field Service.)
a. Procedure
(1) Remove the exposure unit.
(2) Remove the operation panel.
(3) Move the V-mirror unit to the paper exit side, then insert
the optics position adjusting jig into the V-mirror unit
mounting position from the front.
At this time, pass through the optics position adjusting
jig into the V-mirror unit and fasten the V-mirror unit.
V-mirror unit
Paper exit side
Optics position adjusting jig
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
3-C-7
READ SECTION
(4) Remove the rear cover, then free the wiring from the two
1 MAIN BODY
(5) Remove the five connectors (CN20 to CN24) and the
2
(6) Pull out the scanner drive board and disconnect the
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
cord clamps on the rear side of the scanner drive board
(SCDB).
three set screws from the scanner drive board.
connector (CN11) on the image control board, then
remove the scanner drive board.
Caution: Be careful not to drop screws etc. between
the boards at the rear of the main body.
Connector (CN11)
Scanner drive board
Connector
(CN22)
Connector
Connector
(CN23)
Set screws
Connector
(CN20)
(CN24)
Connector
(CN21)
Set screw
(7) Remove the three set screws and the belt tension
spring, then remove the scanner motor (M2) and timing
belt.
Belt tension spring
Set screws
Timing belt
Scanner moter
(8) Loosen the set screw holding the spring retainer (rear),
slide it to the paper exit side while pressing it with a flat-
blade screwdriver etc. to fix it again with the set screw.
Set screw
Spring retainer (rear)
3-C-8
READ SECTION
(9) Slide the spring retainer (front) to the paper exit side to
fix it in the same way.
Set screw
Spring retainer (front)
(10) Remove the two set screws, then remove the read
driven pulley.
(11) Remove the C-ring and bearing on the rear side of the
machine. Be careful not to scratch the pulley shaft.
Bearing
(12) Remove the one C-ring and bearing on the front side of
the machine from the pulley shaft in the same way.
Pulley shaft
Front side of
C-ring
Bearing
the machine
(13) Remove the two optics wires (front and rear).
(14) Remove the pulley shaft from the main body. At this
time, if the leading edge of the set screw holding the
optics rail contacts with the shaft, loosen the set screw.
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
Pulley shaft
Rear side of
the machine
C-ring
Set screws
Read driven
pulley
3-C-9
READ SECTION
[6] Installing the Optics Wire
1 MAIN BODY
2
2 UNIT EXPLANATION
(1) Insert the metal bead at the mid-point of the optics wire
3 DIS./ASSEMBLY
(2) Provisionary fasten the wire to the drive pulley with a
Caution 1: When winding the wire around the
pulley, be sure to run the wire tightly to
ensure that it does not ride up the side
of the pulley.
Caution 2: When reinstalling or replacing the
optics wire, be sure to use the optics
position adjusting jig.
Caution 3: Be sure to perform image quality
adjustment after replacing or reinstalling
the wire. (For details, refer to “Adjustment
section” on Field Service.)
(front) into the mounting hole of the drive pulley, then
wind four turns around the pulley to the outside, and one
turn to the inside, starting this position.
(a) Use the optics wire marked “F” on the exposure unit
mounting piece to the front side and “R” to the rear
side.
(b) Wind the optics wire so that the side with the metal
bead at the leading edge is outside (front/rear) of the
pulley shaft.
(c) Wind the optics wire so that the side with the metal
bead at the leading edge passes under the drive
pulley.
gummed tape so that the wire winding is not lost, after
that, fix the pulley shaft to the frame with the bearings
and E-rings.
(3) Pass the optics wire (front) of the metal bead side
around the pulley 1 (V-mirror unit) then pass it around
the inside slit of the pulley 2 (exposure unit). Pass
around the optics wire (rear) at the same procedure.
(4) Remove the optics position adjusting jig.
(5) Fasten each metal bead at the leading edge of the
optics wire (front and rear) to the slits of the main body
frame on the paper exit side.
Slit
Slit
(front side of
the machine)
Pulley 1
Optics wire (front)
(rear side of the machine)
Pulley 1
Optics wire (rear)
Metal bead
Pulleys 2
Round
terminals
Metal
beads
Exposure unit
mounting piece
(front)
E-ring
Bearing
Exposure unit mounting piece (rear)
Gummed tape
(for provision)
E-ring
Bearing
Rear side of
the machine
Front side of
the machine
3-C-10
READ SECTION
(6) Pass the side with the round terminal of the optics wire
(front) to the outside of the pulley 2 and hook the round
terminal on the spring retainer. Hook the optics wire
(rear) in the same way.
(7) Install the exposure unit to the main body.
(8) Loosen each set screw fasting the spring retainers.
(9) Fasten each set screw of the spring retainers after
moving the exposure unit two or three times.
Exposure unit mounting
piece (rear)
Pulleys 2
V-mirror unit
Spring ratainer
(rear)
Set screw
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
Exposure unit
Exposure unit mounting
piece (front)
Spring ratainer (front)
Set screw
(10) The reminder of the installation procedureis in the
opposite sequence to removal.
3-C-11
1 MAIN BODY
2
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
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WRITE UNIT
WRITE UNIT
[1] Removing and Reinstalling the Write
Unit
Warning1:
Warning2:
Warning3:
Caution: Be sure that the power cord has
Caution 1: When removing the write unit, do not
Caution 2: When installing the write cover, check
Do not energize the write unit when
it is not installed in the machine.
Never remove the cover from the write
unit with the circuit being energized.
(If the laser beam gets into your eyes,
you may lose your sight.)
Never remove the write unit for at
least two minutes after turning OFF
the main switch.
been unplugged from the power
outlet.
make contact with the write mirror and
dust-proof glass. (prevention of the
scratch and stain for the mirror.)
that the write cover is got caught in
the ground spring.
a. Procedure
(1) Remove the original glass.
(Refer to “Read section”)
(2) Remove the six set screws and disconnect the connec-
tor (CN93), then remove the write cover.
Write cover
Ground springs
Set screws
Connector
(CN93)
1 MAIN BODY
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
3-D-1
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