Panasonic FP-7742 / FP-7750 Service Manual ▷ View online
5-3
Unpacking/
Installation
Location
Shipping material/Procedure
Check
3
Fuser unit
(1) Open the paper exit door.
(2) Open the fuser exit guide plate.
(3) R e m o v e t h e f u s e r p r e s s u r e
release screws. (2 screws)
(4) Close the fuser exit guide plate.
(5) Close the paper exit door.
Developer unit
(1) Swing open the toner bottle/
hopper. (180 degrees)
(2) Turn the developer unit release
lever clockwise.
(3) Remove the recycle solenoid
cover. (1 screw)
(4) Open the waste toner bottle door.
(5) Lower the paper transport.
(6) Remove the drum unit. (1 screw,
1 connector)
(7) Disconnect the TDC connector.
(8) Remove the developer unit.
(Pull out until it stops, then angle
up to remove.)
Note:
B e c a r e f u l t o a v o i d
damaging the recycle and
toner addition sponge seals.
4
TDC
connector
connector
Toner bottle
Hopper
Hopper
Recycle solenoid
cover
cover
Release lever
Waste toner
bottle door
bottle door
2
(2)
Tape
Tape
Paper transport unit
(1) Open the front cover.
(2) Remove the shipping tape.
5-4
Location
Shipping material/Procedure
Check
5
Pour the developer into the unit
(1) Remove the developer unit lid.
(2) Pour the developer evenly into the
unit.
Note:
Pour in the entire bottle of
developer, after shaking it
well.
(3) Reinstall the developer unit lid.
(4) Reinstall the developer unit.
(5) Reconnect the TDC connector.
(6) Reinstall the drum unit.
(7) Pull the developer unit release
lever out until it stops and rotate it
90 degrees counterclockwise.
(8) Push the developer unit release
lever back in until it stops.
Cleaning blade pressure release
(1) Install the cleaning blade pressure
spring to the pin.
(2) Reconnect the solenoid connector.
(3) Reinstall the solenoid cover. (1
screw)
(4) Swing back the toner bottle/
hopper.
(5) Raise the paper transport.
(6) Close the front cover.
(7) Install the waste toner bottle.
(8) Close the waste toner bottle cover.
Turn the power switch ON
Power SW
6
7
Pin
Spring
5-5
Unpacking/
Installation
Location
Shipping material/Procedure
Check
8
(a)
TDC adjustment
(1) Press the “User Preset”, “Ledger/
A3 of Original Size” and “3” keys
simultaneously to enter the F
mode.
(2) Press the “8” key to enter the F8
mode.
(3) Press the “Print” key.
(4) Press the “0”, “9” keys to enter the
F8 mode code “09”.
(5) Press the “Print” key for automatic
TDC sensor gain adjustment.
(Wait approximately 2 minutes until
the adjustment cycle stops.)
(6) Write the contents of F6-21 and 26
on the memory sheet.
Black density sensor output gain
adjustment
(1) Press the “1” and “4” to enter the
F8 mode code “14”.
(2) Press the “Print” key for automatic
black density sensor output gain
adjustment.
(3) Write the content of F6-65 on the
memory sheet.
(4) Press the “User Preset” and
“Clear/Stop” keys simultaneously
to escape from the F mode.
8
(b)
5-6
Location
Shipping material/Procedure
Check
9
10
Hopper
Toner
bottle
bottle
Paper guides
(front/rear)
(front/rear)
Lock
Toner bottle insertion
(1) Open the front cover.
(2) Take a fresh bottle of toner and
shake it 10 to 15 times.
(3) Swing the toner bottle hopper open
90 degrees.
(4) Remove the toner bottle cap.
(5) Insert the toner bottle into the
hopper unit and turn it clockwise.
Note:
Make sure the arrows on the
bottle and the hopper are
aligned.
(6) Close the front cover.
Paper size setting
(1) Pull the paper drawer out until it
stops.
(2) Position the paper guides (front/
rear) to the paper size required. If
the size will remain fixed, remove
the latch locking screw, rotate the
lock, and reinstall the screw.
(3) Position the paper guide (left) to
the paper size required and install
the paper guide screw.
(4) Push in the paper tray.
(5) Select F5-15.
(6) Select the desired paper size.
(7) Press the “User Preset” or “Reset”
keys to return to normal mode.
(8) Take out and reinsert the indicator
so the selected paper size is
shown.
Paper guide (left)
Click on the first or last page to see other FP-7742 / FP-7750 service manuals if exist.