This booklet provides safety warnings and precautions for our service personne l to ensure the safety of
their customers, their machines as well as themselves during maintenance activities. Service personnel
are advised to read this booklet carefully to familiarize themselves with the warnings and precautions
described here before engaging in maintenance activities.
Safety warnings and precautions
Various symbols are used to protect our service personnel and customers from physical danger and
to prevent damage to their property. These symbols are described below:
DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect
compliance with warning messages using this symbol.
WARNING: Serious bodily injury or death may result from insufficient attention to or incorrect compliance
with warning messages using this symbol.
CAUTION: Bodily injury or damage to property may result from insufficient attention to or incorrect
compliance with warning messages using this symbol.
Symbols
The triangle () symbol indicates a warning including danger and caution. The specific point
of attention is shown inside the symbol.
General warning.
Warning of risk of electric shock.
Warning of high temperature.
indicates a prohibited action. The specific prohibition is shown inside the symbol.
General prohibited action.
Disassembly prohibited.
indicates that action is required. The specific action required is shown inside the symbol.
General action required.
Remove the power plug from the wall outlet.
Always ground the copier.
1.Installation Precautions
WARNING
• Do not use a power supply with a voltage other than that specified. Avoid multiple connections to
one outlet: they may cause fire or electric shock. When using an extension cable, always check
that it is adequate for the rated current. .............................................................................................
• Connect the ground wire to a suitab le g rou nd ing point . No t g roun ding the co pier may cause fir e o r
electric shock. Connecting the earth wire to an object not approved for the purpose may cause
explosion or electric shock. Never connect the ground cable to any of the following: gas pipes,
lightning rods, ground cables for telephone lines and water pipes or faucets not approved by the
• Do not place the copier on an infirm or angled surface: the copier may tip over, causing injury. .......
• Do not install the copier in a humid or dusty place. This may cause fire or electric shock. ................
• Do not install the copier near a radiator, heater, other heat source or near flammable material.
This may cause fire. .........................................................................................................................
• Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool
as possible. Insufficient ventilation may cause heat buildup and poor copying performance. ...........
• Always handle the machine by the correct locations when moving it. ...............................................
• Always use anti-toppling and locking devices on copiers so equipped. Failure to do this may cause
the copier to move unexpectedly or topple, leading to injury. ...........................................................
• Avoid inhaling toner or developer excessively. Protect the eyes. If toner or developer is accidentally ingested, drink a lot of water to dilute it in the stomach and obtain medical attention immediately. If it gets into the eyes, rinse immediately with copious amounts of water and obtain medical
• Always use parts having the correct specifications. ..........................................................................
• Always use the thermostat or thermal fuse specified in the service manual or other related brochure when replacing them. Using a piece of wire, for example, could lead to fire or other serious
• Handle the charger sections with care. They are charged to high potentials and may cause electric
shock if handled improperly. ............................................................................................................
CAUTION
• Wear safe clothing. If wearing loose clothing or accessories such as ties, make sure they are
safely secured so they will not be caught in rotating sections. ..........................................................
• Use utmost caution when working on a powered machine. Keep away from chains and belts. ........
• Handle the fixing section with care to avoid burns as it can be extremely hot. ..................................
• Check that the fixing unit thermistor, heat and press rollers are clean. Dirt on them can cause
abnormally high temperatures. ........................................................................................................
• Do not remove the ozone filter, if any, from the copier except for routine replacement. ....................
• Do not pull on the AC power cord or connector wires on high-voltage components when removing
them; always hold the plug itself. ................................ ... .... ... ... ... .... ... ..............................................
• Do not route the power cable where it may be stood on or trapped. If necessary, protect it with a
cable cover or other appropriate item. .............................................................................................
• Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks. ........
• Remove toner completely from electronic components. ...................................................................
• Run wire harnesses carefully so that wires will not be trapped or damaged. ....................................
• After maintenance, always check that all the parts, screws, connectors and wires that were
removed, have been refitted correctly. S pecial atte ntion shou ld be p aid to an y forgot ten connector,
trapped wire and missing screws. ...................................................................................................
• Check that all the caution labels that should be present on the machine according to the instruction
handbook are clean and not peeling. Replace with new ones if necessary . ......................................
• Handle greases and solvents with care by following the instructions below: .....................................
Use only a small amount of solvent at a time, being careful not to spill. Wipe spills off completely.
Ventilate the room well while using grease or solvents.
Allow applied solvents to evaporate completely before refitting the covers or turning the power switch on.
Always wash hands afterwards.
• Never dispose of toner or toner bottles in fire. Toner may cause sparks when exposed directly to
fire in a furnace, etc. .......................................................................................................................
• Should smoke be seen coming from the copier, remove the power plug from the wall outlet imme-
1-1-2 Parts names............................................................................................................................................1-1-3
1-2-2 Unpacking and installation......................................................................................................................1-2-2
(1) Executing a maintenance item..........................................................................................................1-3-1
1-4 Troubleshooting
1-4-1 Paper misfeed detection.........................................................................................................................1-4-1
(1) Paper misfeed indication............................................ ... .. ........................................ ..........................1-4-1
(2) Paper misfeed detection....................................................................................................................1-4-1
(4) Black dots........................................................................................................................................1-4-11
(5) Black horizontal streaks..................................................................................................................1-4-12
(6) Black vertical streaks.......................................................................................................................1-4-12
(9) Dirt on the top edge or back of the paper........................................................................................1-4-13
(10) Undulated printing at the left edge (scanning start position)...........................................................1-4-13
1-4-4 Electric problems ..................................................................................................................................1-4-14
(1) Detaching and refitting the top cover.................................................................................................1-5-2
(2) Detaching and refitting the right cover and left cover........................................................................1-5-3
1-5-3 Paper feed section..................................................................................................................................1-5-4
(1) Detaching and refitting the paper feed assembly (paper feed roller and pickup roller).....................1-5-4
(2) Detaching and refitting the retard roller.................................... ... .................................... ... ...............1-5-5
(3) Detaching and refitting the registration upper and lower roller..........................................................1-5-6
(4) Detaching and refitting the MP tray paper feed roller........................................................................1-5-8
(1) Detaching and refitting the drum unit ..............................................................................................1-5-10
(2) Detaching and refitting the main charger unit..................................................................................1-5-11
1-5-6 Transfer section.............................................. ... ...................................................................................1-5-12
(1) Detaching and refitting the transfer roller........................................................................................1-5-12
(1) Downloading the firmware from the parallel interface .......................................................................1-6-2
(2) Downloading the firmware from the memory card..................................................... ........................1-6-3
(3) Downloading the firmware from the USB memory ............................................................. ...............1-6-5
2-1 Mechanical construction
2-1-1 Paper feed section..................................................................................................................................2-1-1
(1) Paper cassette paper feeding...........................................................................................................2-1-1
(2) MP tray paper feed section ...............................................................................................................2-1-2
(3) Paper feed conveying section...........................................................................................................2-1-3
(1) Fuser unit ........................................................................................................................................2-1-10
2-1-8 Paper exit section/rear unit...................................................................................................................2-1-12
(1) Paper exit section/rear unit..............................................................................................................2-1-12
2-2-1 Electrical parts layout ..............................................................................................................................2-2-1
(1) Electrical parts layout........................................................................................................................2-2-1
2-3 Operation of the PWBs
2-3-1 Power source unit...................................................................................................................................2-3-1
2-3-3 Main PWB...............................................................................................................................................2-3-8
3. Power supply: 120 V AC, 9.0 A
220 - 240 V AC, 5.0 A (Average)
4. Power source frequency: 50 Hz ±0.3%/60 Hz ±0.3%
5. Installation location
Avoid direct sunlight or bright lighting. Ensure that the photoconductor will not be exposed to direct sunlight or
other strong light when removing paper jams.
Avoid extremes of temperature and humidity, abrupt ambient temperature changes, and hot or cold air directed
onto the machine.
Avoid dust and vibration.
Choose a surface capable of supporting the weight of the machine.
Place the machine on a level surface (maximum allowance inclination: 1
Avoid air-borne substances that may adversely affect the machine or degrade the photoconductor, such as mercury, acidic of alkaline vapors, inorganic gasses, NOx, SOx gases and chlorine-based organic solvents.
Select a room with good ventilation.
6. Allow sufficient access for proper operation and maintenance of the machine.
Machine front: 60 cm, Machine rear: 20 cm
Machine right: 10 cm, Machine left: 30 cm
Machine top: 75 cm
75 cm
°).
2F7
20 cm60 cm30 cm10 cm
Figure 1-2-1
1-2-1
2F7
1-2-2 Unpacking and installation
(1) Installation procedure
Installing the toner container and waste toner box.
Start
Unpacking.
Attacihng the label.
Adding paper to paper cassette.
Connecting the printer cables.
Connecting the power cord and toner installing.
Printing a status page for test.
Installing the software.
Completion of the machine installation.
1-2-2
Unpacking.
2F7
Figure 1-2-2 Unpacking
1. Printer
2. Toner container
3. Waste toner box
4. Power cord
5. CD-ROMs
6. Manuals and other printed matter
7. Plastic waste bag
8. Language label sheet
1-2-3
2F7
Attaching the label.
1. Attach the included language label sheet on
the indicator as shown in the figure.
Ready
PAR A4 PLAIN
Menu
Languagelabelsheet
Installing the toner container and waste toner box.
1. Open the top cover.
2. Remove the tape.
Figure 1-2-3
Top cover
1-2-4
Tape
Figure 1-2-4
2F7
3. Shake the new toner container at least 10
times as shown in the figure in order to distribute the toner evenly inside the container.
4. Carefully remove the protective seal (orange
colored).
5. Install the toner container into the printer.
6. Push on the PUSH HERE marks on the
toner container until the container clicks into
place.
7. Close the top cover.
Toner container
Protective seal
(orange colored)
Figure 1-2-5
REMOVE THIS TAG
BEFORE ADDING TONER
8. Open the cap of the waste toner box.
9. Open the left side cover.
10.Insert the new waste toner box as shown in
the figure. When the box is set correctly, it
will snap into place.
11.Close the left side cover.
Toner container
Figure 1-2-6
Left side cover
Cap
Waste toner box
Figure 1-2-7
1-2-5
2F7
Adding paper to the paper cassette.
1. Pull out the paper cassette and remove the
cassette cover.
2. Push the bottom plate down until it locks.
Cassette cover
Bottom
plate
Paper cassette
Figure 1-2-8
3. Turn the paper size dial so that the size of
the paper you are going to use appears in
the paper size window.
Paper size dial
Paper size window
Figure 1-2-9
1-2-6
4. Pull the release lever on the right side guide
and slide to the desired paper size.
5. Pull the release lever and slide the paper
stopper to the desired paper size.
If using A3 or Ledger paper, pull out the
extension paper cassettes pushing the lock
lever one by one and adjust them to the
desired paper size.
6. Place the paper in the cassette, with side to
be printed downward, so that the leading
edge is aligned against the paper stopper.
Put the cassette cover.
7. Insert the paper cassette into the slot in the
printer. Push it straight in as far as it will go.
2F7
Side guide
Release lever
Side guide
Figure 1-2-10
Locklever
Releaselever
Paperstopper
Figure 1-2-11
Extensionpaper
cassette
Locklever
1-2-7
2F7
Connecting the printer cables.
s
1. Connect the printer cable (parallel, USB or
network) to the printer and the PC.
USB
Network
Parallel
USB cable
Network cable
Parallel cable
Figure 1-2-12
Connecting the power cord and toner installing.
1. Connect the power cord to the printer’s AC
inlet and the other end into a power outlet.
2. Turn the power switch to on ( | ).
The printer will begin replenishing the toner;
this will take approximately 20 minutes.
3. Wait until the message display indicates [>
MSG language]. The default message language is English.
4. Press T or S key repeatedly until the mes-
sage display shows the desired language
and then press OK key.
If you do not wish to change the setting,
press Cancel key.
5. The display returns to Ready.
> MSG language
? English
AC inlet
Power cord
Power switch
1-2-8
Figure 1-2-13
Printing a status page for test.
1. Press the Menu key when [Ready] is dis-
played.
2. Press T or S key to display [Print Status
Page].
3. Press OK key to display [Print Status
Page?].
4. Press OK key. [Processing] will be dis-
played and the status page will be printed.
When printing is complete, [Ready] will
appear again.
5. Check to see if the status page is properly
printed.
Installing the software.
1. Switch on the PC and activate Windows.
If the Welcome to the Found New Hardware
Wizard dialog box displays, select [Cancel].
2. Insert the CD-ROM (Software Library) sup-
plied with the printer into the optical drive of
the PC.The installation program launches
and the License Agreement displays.
If the installation program fails to launch,
use Windows Explorer to access the CDROM and select [Setup.exe].
3. Select [View License Agreement] to read
the information and select [Accept] to proceed.
4. Select [Install KX Driver] and follow the on
screen instructions to complete the software
installation.
When the Select the Printer Port window is
displayed, select a USB port (ex. USB001)
in the list below the Use the following port
radio button.
5. Once the installation is complete, the
[Printer Installed Successfu lly ] d ial og bo x
displays.
When the test page prints correctly, printer
setup is complete. For details on using the
printer, refer to the operation guide.
2F7
Completion of the machine installation.
1-2-9
2F7
1-2-3 Installing the expanding memory (optional)
<Procedure>
1. Power off the printer and unplug the printer
power cord.
2. Open the right side cover
3. Remove the screw and open the inner
cover.
Right side cover
Inner cover
Screw
4. Push out the clamps on both ends of the
memory socket.
5. Remove the memory from its package.
Aligning the cutouts of the memory with the
matching keys of the socket, carefully plug
the memory into the memory socket until it
clicks in place.
6. Push the two socket clamps to secure the
memory.
7. Close and secure the inner cover by the
screw.
8. Close the right side cover.
Testing the expanded memory
1. To verify that the memory module is working
properly, test it by printing a status page
(refer to operation guide).
Clamp
Memory socket
Figure 1-2-14
Cutout
Clamp
Memory
Cutout
1-2-10
Figure 1-2-15
1-2-4 Installing the memory card or hard disk (optional)
<Procedure>
1. Turn off the printer and disconnect the
power cord and printer cable.
2. Remove the two screws and then open the
option interface slot cover.
3. Install the memory card or hard disk into the
memory card slot.
4. Close the option interface slot cover.
2F7
Memory card or
hard disk
Memory card slot
Option interface
slot cover
Screw
Screw
Figure 1-2-16
1-2-11
2F7
1-2-5 Installing the network interface card (optional)
<Procedure>
1. Turn off the printer and disconnect the
power cord and printer cable.
2. Remove the two screws and then open the
option interface slot cover.
3. Install the network inte rface card.
4. Secure the network interface card by two
screws.
Networkinterface card
Optioninterfaceslot
Optioninterface
slot cover
Screw
Screw
Figure 1-2-17
1-2-12
1-3 Maintenance Mode
1-3-1 Maintenance mode
The printer is equipped with a maintenance function which can be used to maintain and service the machine.