Mita-Kyocera FS7000 PARTS CATALOGUE SA03C05
Chapter Five DISASSEMBLY
Five
Chapter Five DISASSEMBLY
General Instructions 5-3
Screws/hardware 5-3
Before starting disassembly 5-4
Disassembly 5-5
Developer unit 5-5
Removing the paper feed unit 5-8
Removing the transfer roller unit 5-9
Removing the drum unit 5-11
Main charger unit 5-13
Removing the controller cover 5-14
Removing the controller box 5-16
Right side cover/Feeder unit 5-18
Removing the face-down unit 5-20
Removing the manual feed roller/Separator 5-22
Drive gears assembly 5-23
Removing the fuser unit 5-25
Removing the laser scanner 5-30
General Instructions
This chapter provides procedures for removal and repl acement of fiel d repla cement
components. For other components not sh own in t his chapt er, t he dia grams in t he 3DUWV
&DWDORJ attached with this manual will help locate the component.
For replacement of a component, use the reverse of the removal procedures explained in
this chapter.
Disassembly
General Instructions
Before proceeding, make sure printer power is switched off and the power cord is unplugged from the printer. See
Warning
moved and the power cord is unplugge d fro m both the po we r line an d the
printer.
Screws/hardware
Screws and hardware used in the printer are listed in the beginning section of the
3DUWV#FDWDORJ. Symbol numbers also given in the list for thes e s crews are referred t o in
the disassembling instructions in the following pages.
Caution
First turn it counterclockwise, then slowly clockwise. Do not over-tighten. In
case the selftapped thread is damaged, the affected part must be replaced
with a new part.
——To avoid injury to human bo die s, ma ke sur e t h at AC po we r is r e -
——To secure a self-tapping screws, align it with the thread carefully.
Warning
below.
5-3
FS-7000
Before starting disassembly
Disassembly
Before starting disassembly
Warning
the power supply.
Warning
moved.
Caution
laser scanner, etc.). Provide an antistatic (discharging) device, such as a wrist
strap, that can effectively discharge your body before touching boards, laser
scanner, etc.
——Before proceeding, unplug the power cord from the printer and
——Never attempt to operate the printer with a component re-
——The printer uses electrostatic-sensitive parts inside (on boards,
5-4
FS-7000
Disassembly
Developer unit
First, the toner container must be removed.
Disassembly
Disassembly
Open the top cover. The toner container ➊ must be removed first: P ull the t oner container release lever ➋ as below. Pull the toner container ⊂
as possible.
#slowly up, keeping it as level
o
5-5
FS-7000
Disassembly
Disassembly
Open the front cover. Locate the developer unit release lever ➊ and turn it clockwise to
the upper position. Grasp the developer’s front end as shown below and slowly draw
the developer ⊄ out from the printer.
➊
Note
——After removing the developer, sea l it in the protective bag and place
it on a flat surface. Do not place the developer in a dusty area.
Note
——Do not place floppy disks near the developer.
5-6
FS-7000
Disassembly
Disassembly
REPLACING THE DEVELOPER UNIT
To replace the developer unit into the printer, be sure to align the guides and rails on
the drum unit with each other. Do not force to slide the drum unit in unless they are
properly aligned with each other.
When the developer unit has b een fully seated, remove the protective cover.
Caution
damaging the developer unit connector and an uneven toner distribution
inside the developer unit which may result in a printing problem.
——Do not rush the developer unit into the printer. It may cause
5-7
FS-7000
Disassembly
Removing the paper feed unit
The paper feed unit can be removed from the printer without using a tool.
Note
—If duplexer DU-30 is installed in the printer, uni ns tal l i t b efore
proceeding.
Disassembly
While holding and pushing the locking tab n at the left side of the paper feed unit,
draw the paper feed unit all the way out.
5-8
FS-7000
Disassembly
Disassembly
Removing the transfer roller unit
Before removing the transfer roller unit, remove the paper feed unit out of the
printer. Then, the transfer roller comes out without needing a tool.
Caution——
(particles of paper, etc.) on the transfer roller can significantly d eteriorate
the print quality (white spots, etc.).
The transfer roller unit n is held in place by two joints at both ends. To remove the
transfer roller unit: Hold the tab at both left and left sides of the transfer roller unit
first. When removing, tilt the transfer roller unit upward so that the joints are aligned
to free the transfer roller unit.
Do not touch the transfer roller (sponge) surface. Oil and dust
Œ
5-9
FS-7000
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