Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent
type recommended by the manufacturer. Dispose of used batteries according to the
manufacturer’s instructions.
CAUTION
Double-pole/neutral fusing.
Safety precautions
This booklet provides safety warnings and precautions for our service personnel 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 suitable grounding point. Not grounding the copier may cause fire or
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 attention. ..............................................................................................................................
•Advice customers that they must always follow the safety warnings and precautions in the copier’s
•Under no circumstances attempt to bypass or disable safety features including safety
mechanisms and protective circuits. .................................................................................................
•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
1-1-2 Parts names ......................................................................................................................................... 1-1-3
1-1-4 Drive system ........................................................................................................................................ 1-1-6
(1) Drive system 1 (drive motor drive train).......................................................................................... 1-1-6
(2) Drive system 2 (scanner motor drive train)..................................................................................... 1-1-7
(3) Drive system 3 (original feed motor (18 cpm copier only) drive train) ............................................ 1-1-8
(4) Drive system 4 (ST feed motor (optional) drive train)..................................................................... 1-1-8
1-2-2 Developer and toner............................................................................................................................. 1-2-1
(3) Contents of maintenance mode items ............................................................................................ 1-4-5
1-5 Troubleshooting
1-5-1 Paper misfeed detection ...................................................................................................................... 1-5-1
(1) Paper misfeed indication ................................................................................................................ 1-5-1
(2) Paper misfeed detection conditions................................................................................................ 1-5-2
(3) Paper misfeeds............................................................................................................................... 1-5-6
(1) No image appears (entirely white)................................................................................................ 1-5-16
(2) No image appears (entirely black)................................................................................................ 1-5-16
(3) Image is too light. ......................................................................................................................... 1-5-17
(4) Background is visible.................................................................................................................... 1-5-17
(5) A white line appears longitudinally. .............................................................................................. 1-5-17
(6) A black line appears longitudinally. .............................................................................................. 1-5-18
(7) A black line appears laterally........................................................................................................ 1-5-18
(8) One side of the copy image is darker than the other.................................................................... 1-5-18
(9) Black dots appear on the image. .................................................................................................. 1-5-19
(10) Image is blurred............................................................................................................................ 1-5-19
(11) The leading edge of the image is consistently misaligned with the original. ................................ 1-5-19
(12) The leading edge of the image is sporadically misaligned with the original. ................................ 1-5-20
1-1-1
2A1/2
(13) Paper creases. ............................................................................................................................. 1-5-20
(1) No primary paper feed. ................................................................................................................. 1-5-27
(2) No secondary paper feed. ............................................................................................................ 1-5-27
(3) Skewed paper feed. ...................................................................................................................... 1-5-27
(4) The scanner does not travel. ........................................................................................................ 1-5-27
(5) Multiple sheets of paper are fed at one time.................................................................................. 1-5-27
(6) Paper jams. .................................................................................................................................. 1-5-27
(7) Toner drops on the paper conveying path. ................................................................................... 1-5-27
(8) Abnormal noise is heard. .............................................................................................................. 1-5-27
1-6 Assembly and Disassembly
1-6-1 Precautions for assembly and disassembly ......................................................................................... 1-6-1
(1) Detaching and refitting the image formation unit .......................................................................... 1-6-32
(2) Detaching and refitting the main charger unit............................................................................... 1-6-33
(3) Detaching and refitting the drum .................................................................................................. 1-6-34
(4) Detaching and refitting the cleaning blade ................................................................................... 1-6-36
(5) Replace the developer.................................................................................................................. 1-6-37
1-6-5 Transfer section ................................................................................................................................. 1-6-38
(1) Detaching and refitting the transfer roller assembly ..................................................................... 1-6-38
(2) Detaching and refitting the DF separation pulley (18 cpm copier only) ........................................ 1-6-47
(3) Adjusting the DF lateral squareness............................................................................................. 1-6-48
(4) Adjusting the DF magnification..................................................................................................... 1-6-49
(5) Adjusting the DF leading edge registration................................................................................... 1-6-50
(6) Adjusting the DF trailing edge registration.................................................................................... 1-6-51
(7) Adjusting the DF center line ......................................................................................................... 1-6-52
(8) Adjusting the margins for scanning the original from the DF........................................................ 1-6-53
1-7 Requirements on PCB Replacement
1-7-1 Replacing the main PCB ...................................................................................................................... 1-7-1
1-7-2 Upgrading the firmware on the main PCB............................................................................................ 1-7-3
(1) Original scanning............................................................................................................................ 2-1-7
(4) Other electrical components........................................................................................................... 2-2-4
2-3 Operation of the PCBs
2-3-1 Power source PCB ............................................................................................................................... 2-3-1
2-3-2 Main PCB ............................................................................................................................................. 2-3-4
Type ............................................... Desktop
Copying system..............................Indirect electrostatic system
Originals .........................................DF (18 cpm copier): Sheets of paper (Maximum original size: folio/81/2" × 14")
DF (15 cpm copier): Sheets of paper (A4R, folio/8
Platen: Sheets of paper, books, 3-dimensional objects (Maximum original size: folio/
81/2" × 14")
Original feed system ...................... Contact glass: fixed
DF: sheet-through
2
Copy paper ....................................Drawer: Plain paper (64 - 80 g/m
Bypass table: Plain paper (60 - 160 g/m
)
2
)
Special paper: Transparencies, letterhead, colored paper
and envelopes (when using the printer function only)
Note: Use the bypass table for special paper.
Developer: 2-component, ferrite carrier and N29T black toner
Toner density control: toner sensor
Toner replenishing: automatic from a toner container
Transfer system ............................. Transfer roller
Fixing system ................................. Heat roller
Heat source: halogen heaters (900 W for 120 V specifications/1030 W for
220 - 240 V specifications)
Control temperature: 180°C/356°F (at normal ambient temperature)
Abnormally high temperature protection device: 150°C/302°F thermostat
Fixing pressure: 36.28 N
Charge erasing system .................. Exposure by cleaning lamp
(4) Drive system 4 (ST feed motor (optional) drive train)
4
3
5
2
1
1-1-8
As viewed from machine rear
Figure 1-1-7
1 ST feed motor gear
2 Gear 25/59
3 Gear 19
4 Gear 19
5 ST paper feed clutch gear 20
2A1/2
1-2-1Drum
Note the following when handling or storing the drum.
• When removing the image formation unit, never expose the drum surface to strong direct light.
• Keep the drum at an ambient temperature between 10°C/50°F and 32.5°C/90.5°F and at a relative humidity not higher
than 85% RH. Avoid abrupt changes in temperature and humidity.
• Avoid exposure to any substance which is harmful to or may affect the quality of the drum.
• Do not touch the drum surface with any object. Should it be touched by hands or stained with oil, clean it.
1-2-2Developer and toner
Store the developer and toner in a cool, dark place. Avoid direct light and high humidity.
1-2-1
2A1/2
1-2-3 Installation environment
1.Temperature: 10 - 32.5°C/50 - 90.5°F
2.Humidity: 20 - 85%RH
3.Power supply: 120 V AC, 9 A
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: 1000 mm/39
Machine right: 300 mm/11
Remove the tapes, pads and sheet inside the drawer.
2A1/2
Start
Unpack.
Remove the tapes.
Adjust the fixing pressure.
Remove the pins holding light source units 1 and 2.
Remove the pad inside the machine.
Install a toner container.
Install a waste toner tank.
Attach the original holder (15 cpm copier).
Connect the power cord.
Load paper.
Make test copies.
Completion of the machine installation.
Caution:
Be sure to install a waste toner tank when setting the machine.
1-3-1
2A1/2
Unpack.
• 15 cpm copier
@
&*(
⁄
6
8
4
#
)
!
0
0
2
7
3
1
^
9
1-3-2
5
1 Copier
2 Power cord
3 Upper pads
4 Stay
5 Outer case
6 Bottom pads
7 Tray spacer
8 Machine cover
9 Scanner pin tag
0 Fixing lever tags
! Waste toner tank spacer
$
%
Figure 1-3-1 Unpacking
@ Original holder
# Bar code labels
$ Drawer spacer
% Front drawer spacer
^ Sheet
& Instruction handbook
* Installation manual
( Business reply mail (120 V specs only)
) Plastic bag
• 18 cpm copier
2A1/2
&*(
@
6
8
4
#
)
!
0
7
0
2
3
1
^
9
5
1 Copier
2 Power cord
3 Upper pads
4 Stay
5 Outer case
6 Bottom pads
7 Tray spacer
8 Machine cover
9 Scanner pin tag
0 Fixing lever tags
$
%
Figure 1-3-2 Unpacking
!Plastic bag
@Pad
#Bar code labels
$Drawer spacer
%Front drawer spacer
^Sheet
&Instruction handbook
*Installation manual
(Business reply mail (120 V specs only)
2. Open the bypass tray and paper conveying cover
and then remove the two tapes.
1-3-4
Figure 1-3-3
Tapes
Figure 1-3-4
Adjust the fixing pressure.
3. Lift the fixing section release levers and close the
paper conveying cover.
Remove the tapes, pads and sheet inside
the drawer.
4. Pull the drawer out and remove the tapes and
two pads.
Caution: Be sure to load paper after the main
switch is turned on and copying is
enabled. Loading paper before turning
the main switch on may cause paper
jams.
2A1/2
Fixing section
release levers
Figure 1-3-5
Tapes
5. Open the DF cover and remove the sheet on the
contact glass.
Pads
Figure 1-3-6
Sheet
Figure 1-3-7
1-3-5
2A1/2
Remove the pins holding light source units 1 and 2.
6. Remove the tapes and two pins for light source
unit 1 and 2.
7.Open the front cover and store the removed pins
by securing them on the inside of the cover. The
storing locations of the pins are marked inside the
front cover.
Caution: Be sure to refit the pins whenever the
copier is moved.
Pins
Pins
Tapes
Figure 1-3-8
Figure 1-3-9
Remove the pad inside the machine.
8. Remove the pad.
1-3-6
Pad
Figure 1-3-10
9. Pull out the tape from the developing section
gently.
Install a toner container.
10.Hold the toner container vertically and tap the top
15 times. Turn the container upside-down and tap
the top 15 times. Then, hold the container
horizontally and shake it from side to side 10
times.
2A1/2
Tape
Figure 1-3-11
11.Insert the toner container into the copier as far as
it will go and then slide it to the right as indicated
by the marked arrows.
Figure 1-3-12
Toner container
Figure 1-3-13
1-3-7
2A1/2
Install a waste toner tank.
12.Install the waste toner tank and close all the
covers and drawers.
Attach the original holder (15 cpm copier only).
13.Install the original holder to the left side of the
copier.
Waste toner tank
Figure 1-3-14
Connect the power cord.
14.Connect the power cord and turn the main switch
on.
Caution: Never turn the power off or open covers
while the copier is driving. Doing so may
cause printing problems or contaminate
the copier internally.
Original holder
Figure 1-3-15
Power cord
Figure 1-3-16
1-3-8
Load paper.
15.Pull the drawer out as far as it will go.
When the optional drawer is installed, do not pull
more than one drawer out at a time.
16.Press the drawer bottom plate down and lock it
there.
17.Holding the width adjustment lever, move it to
align the width guide with the required paper
width.
2A1/2
Drawer bottom plate
Figure 1-3-17
18.While squeezing the presses on the sides,
remove the length guide and then insert it into the
holes of the required paper length.
Store the length guide in the space shown in the
diagram when the paper touches the right-hand
wall of the drawer.
Width adjustment
lever
Width guide
Figure 1-3-18
Length guide
Figure 1-3-19
1-3-9
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