Konica Minolta Copier 2223 How to use

SERVICE HANDBOOK
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
2223

SAFETYANDIMPOR TANT WARNINGITEMS .............C-1
1. DIFFERENCELIST
MAIN DIFFERENCE LIST BETWEEN
Konica 1120 AND Konica 2223 ................................... 1-1
[1] Product Specifications...................................... 1-1
[2] Mechanism....................................................... 1-2
[3] Electrical Control .............................................. 1-2
[3] Electrical Control (continued) ........................... 1-3
2. OPERA TION
OPERATION PANEL ................................................... 2-1
COPY OPERATION .................................................... 2-3
[1] Book copy mode .............................................. 2-3
[2] OHP interleave mode....................................... 2-4
[3] Photograph original mode ................................ 2-4
[4] Platen auto start mode ..................................... 2-4
VARIOUS SETTINGS.................................................. 2-5
[1] Setting an arbitrary magnification..................... 2-5
[2] Selecting the Maximum/Minimum Magnification2-5
[3] Frame Erase/Fold Erase Width Settings.......... 2-5
[4] Setting the Auto Reset ..................................... 2-6
COUNT CONFIRMATION ........................................... 2-7
[1] PM Count ......................................................... 2-7
[2] Drum Count...................................................... 2-7
[3] Double Count Specification for A3 Copies ....... 2-7
3. MAINBODY
SYSTEM OUTLINE ..................................................... 3-1
PRODUCT SPECIFICATIONS .................................... 3-2
[1] Type ................................................................. 3-2
[2] Functions.......................................................... 3-2
[3] Copy Paper ...................................................... 3-2
[4] Options............................................................. 3-2
[5] Particulars of Machine...................................... 3-3
[6] Maintenance..................................................... 3-3
[7] Copy Materials ................................................. 3-3
[8] Machine Operating Environment...................... 3-3
CENTER-CROSS SECTION....................................... 3-4
DRIVE SYSTEM DRAWINGS ..................................... 3-5
[1] Main/Drum Drive .............................................. 3-5
[2] Optics Drive...................................................... 3-6
[3] Lens Unit Drive................................................. 3-6
EXTERNAL SECTION................................................. 3-7
[1] Construction ..................................................... 3-7
[2] Disassembly and Assembly ............................. 3-7
DRIVE SECTION......................................................... 3-8
[1] Construction ..................................................... 3-8
[2] Mechanism....................................................... 3-8
[3] Disassembly and Assembly ............................. 3-8
[4] M1 (Main) Control ...........................................3-11
[5] M6 (Drum Drive) Control .................................3-11
OPTICS SECTION .................................................... 3-12
[1] Construction ................................................... 3-12
[2] Mechanism..................................................... 3-12
[3] Disassembly and Assembly ........................... 3-13
[4] M2 (Optics Drive) Control............................... 3-28
[5] M3 (Lens Drive) Control ................................. 3-30
[6] Exposure Lamp Control ................................. 3-32
[7] AE Control...................................................... 3-34
[8] APS Control ................................................... 3-35
[9] SD6 (radiation solenoid) control..................... 3-36
DRUM CARRIAGE UNIT........................................... 3-37
[1] Construction ................................................... 3-37
[2] Mechanism..................................................... 3-37
[3] Disassembly and Assembly ........................... 3-38
[4] CEL Control.................................................... 3-41
[5] PCL Control.................................................... 3-43
[6] Separation Claw Control ................................ 3-43
CORONA UNIT ......................................................... 3-44
[1] Construction ................................................... 3-44
[2] Mechanism..................................................... 3-44
[3] Disassembly and Assembly ........................... 3-45
[4] Charging, Transfer/Separation Control .......... 3-46
DEVELOPING SECTION .......................................... 3-48
[1] Construction ................................................... 3-48
[2] Mechanism..................................................... 3-48
[3] Disassembly and Assembly ........................... 3-49
[4] Developing Bias Control................................. 3-51
[5] Toner Density Control..................................... 3-52
TONER SUPPLY UNIT.............................................. 3-53
[1] Construction ................................................... 3-53
[2] Mechanism..................................................... 3-53
[3] Toner Level Detection Control........................ 3-54
CLEANING UNIT/TONER COLLECTING UNIT........ 3-55
[1] Construction ................................................... 3-55
[2] Mechanism..................................................... 3-55
[3] Disassembly and Assembly ........................... 3-55
PAPER FEED SECTION ........................................... 3-57
[1] Construction ................................................... 3-57
[2] Mechanism..................................................... 3-57
[3] Disassembly and Assembly ........................... 3-58
[4] Paper Feed Control........................................ 3-62
[5] Paper Size Detection Control......................... 3-63
PAPER CONVEYANCE SECTION............................ 3-64
[1] Construction ................................................... 3-64
[2] Mechanism..................................................... 3-64
[3] Disassembly and Assembly ........................... 3-64
FIXING UNIT ............................................................. 3-66
[1] Construction ................................................... 3-66
[2] Mechanism..................................................... 3-66
[3] Disassembly and Assembly ........................... 3-67
[4] Fixing Temperature Control ............................ 3-74
OTHER CONTROL ................................................... 3-76
[1] Parts that Remain ON when the Main Switch Is
Turned OFF.................................................... 3-76
[2] Parts that Operate
when the Main Switch Is Turned ON .............. 3-76
CONTENTS

[3] Operation Panel Control................................. 3-77
[4] Counter Control.............................................. 3-79
[5] Cooling Fan Control ....................................... 3-80
[6] Option Control ................................................ 3-80
4. DIAGRAMS
2223 ELECTRICAL PARTS LAYOUT DRAWING ....... 4-1
CONNECTOR LAYOUT DRAWING ............................ 4-4
OVERALL WIRING DIAGRAM.................................... 4-7
2223 OPTION WIRING DIAGRAM.............................. 4-8
CONTROL BOARD CIRCUIT DIAGRAM.................... 4-9
POWER SUPPLY BOARD CIRCUIT DIAGRAM ........... 4-16
LEFT OPERATION BOARD CIRCUIT DIAGRAM..... 4-18
RIGHT OPERATION BOARD CIRCUIT DIAGRAM .. 4-19
CHARGE ELIMINATION LED CIRCUIT DIAGRAM .. 4-20
CHARGE CORRECTION CIRCUIT DIAGRAM......... 4-21
PCL CIRCUIT DIAGRAM .......................................... 4-21
AE SENSOR CIRCUIT DIAGRAM ............................ 4-22
TONER DENSITY SENSOR CIRCUIT DIAGRAM .... 4-22
TIMING CHART (A4, Life size, 2 sheets) .................. 4-23
JAM DETECTION LIST ............................................. 4-24
[1] Paper Jams .................................................... 4-24
[1] Paper Jams (continued) ................................. 4-25
[1] Paper Jams (continued) ................................. 4-26
[1] Paper Jams (continued) ................................. 4-27
[2] Alarms ............................................................ 4-28
[2] Alarms (contnued).......................................... 4-29
[2] Alarms (continued) ......................................... 4-30
[3] Main Body Abnormality .................................. 4-31
5. ADJUSTMENT
HOW TO USE THIS SECTION ................................... 5-1
ADJUSTMENTS WHEN REPLACING PARTS ........... 5-1
ADJUSTMENTS WITH THE P BUTTON .................... 5-3
[1] P Function List ................................................. 5-3
[2] P Function Operating Procedures.................... 5-3
[3] Checking and Resetting the PM Counter......... 5-3
[4] Checking and
Resetting the Developing Bias Shift................. 5-4
[5] Checking and Resetting the Drum Counter ..... 5-4
[6] Checking the Copy Counter/Total Counter....... 5-4
[7] Checking the ROM Version.............................. 5-4
OTHER ADJUSTMENT ............................................... 5-5
[1] Light Distribution Adjustment............................ 5-5
[2] Center Adjustment............................................ 5-6
[3] Distortion Adjustment ....................................... 5-6
[4] Focus Adjustment............................................. 5-7
[5] LCT Size Selection........................................... 5-8
[6] Adjusting ADU gear timing ............................... 5-8
[7] Adjusting nip roller elevating cam timing.......... 5-9
[8] Adjusting the ADU changeover gate position... 5-9
[9] Adjusting paper skew ..................................... 5-10
VARIOUS LISTS.........................................................5-11
[1] TP....................................................................5-11
[2] Standard Value for Each Part..........................5-11
6. DIAGNOSTICS
25 MODE..................................................................... 6-1
[1] Setting procedures ........................................... 6-1
[2] Auto start original Selection ............................. 6-1
[3] Counter Selection............................................. 6-1
[4] Copy Quantity Setting Limit Selection.............. 6-1
[5] Message Language Selection.......................... 6-1
[6] Preferential Paper Size Selection .................... 6-2
[7] Original turn back selection.............................. 6-2
[8] Auto Low power mode Time Setting ................ 6-2
[9] Auto shut off mode selection............................ 6-2
[10] Auto Start Release Time Selection .................. 6-2
[11] ADF Frame Erase Selection ............................ 6-3
[12] PM Cycle Specification .................................... 6-3
[13] Minimum Original Size Detection Selection ..... 6-3
[14] Sorter Initial Mode Setting ................................ 6-3
[15] Clearing Fixing Failures ................................... 6-3
[16] Auto Reset Setting ........................................... 6-3
[17] Clearing Current Leakage / Main Relay Failure 6-3
[18] Double Count Specification for A3
Copies .............................................................. 6-4
[19] Initial Tray Setting for APS Canceling .............. 6-4
[20] Auto Tray Selection .......................................... 6-4
[21] Auto Start Button Function Selection ............... 6-4
[22] Energy Star initial mode selection.................... 6-4
[23] Auto Button Function / Auto Function Setting when
an Original is placed in the ADF and ADF is
opened. ............................................................ 6-5
[24] Key Counter Operation Specification ............... 6-5
[25] Initial Mode Setting........................................... 6-5
[26] AMS Mode Priority Setting ............................... 6-6
[27] User’s Bias Shift Selection............................... 6-6
[28] Mixed Original Function Selection.................... 6-6
[29] Auto Shut Off Timer Setting ............................. 6-6
[30] Odd Number of Original Count Mode Selection 6-6
[31] Priority of Original / Transfer Sheet Selection .. 6-7
[32] Whole image selection for bypass and
universal tray. ................................................... 6-7
[33] Master key code setting ................................... 6-7
[34] Internal Heater Setting ..................................... 6-7
[35] LCT Paper Size Selection ................................ 6-7
[36] Switching the Size Selection/
Cassette Selection ........................................... 6-8
[37] Immediate Stop Mode Setting .......................... 6-8
[38] 25 Mode Address Map ..................................... 6-9
[39] Setup for KRDS.............................................. 6-12
47 MODE................................................................... 6-23
[1] Setting the 47 Mode ....................................... 6-23
[2] Checking Separation Claw Clearance ........... 6-23
[3] Adjusting L Detection (Toner Density) ............ 6-24
[4] AE Adjustment................................................ 6-24
[5] Input/Output Check List.................................. 6-25

36 MODE................................................................... 6-28
[1] Setting Procedures......................................... 6-28
[2] Running Test Mode ........................................ 6-28
[3] Light Intensity Adjustment .............................. 6-29
[4] Lead EdgeTiming Adjustment ....................... 6-29
[5] Vertical Magnification Adjustment .................. 6-30
[6] Horizontal Magnification Adjustment .............. 6-30
[7] Lead Edge Erasure Width Adjustment ........... 6-31
[8] Trailing Edge Erasure Width Adjustment........ 6-32
[9] Hp to Original Lead Edge Distance
Adjustment .................................................... 6-32
7. SER VICE
SERVICE SCHEDULE ................................................ 7-2
[1] Service Schedule ............................................. 7-2
[2] Maintenance Items........................................... 7-3
[3] Periodic Check Service Items .......................... 7-8
COPY MATERIALS ................................................... 7-12
[1] Toner Kit ......................................................... 7-12
[2] PM Parts Kit ................................................... 7-12
[3] Maintenance Kit ............................................. 7-13
SERVICE MATERIALS.............................................. 7-14
SPECIAL TOOLS ...................................................... 7-15

C-1
SAFETY AND IMPORTANT WARNING ITEMS
Read carefully the Safety and Important Warning Items described below to understand then before doing
service work.
IMPORTANT NOTICE
Because of possible hazards to an inexperienced person servicing this equipment, as well as the risk of
damagetotheequipment,KonicaCorporation,stronglyrecommendsthatallservicingbeperformedonlyby
Konica-trained service technicians.
Changes may have been made to this equipment to improve its performance after this service manual was
printed. Accordingly, Konica Corporation, makes no representations or warranties, either expressed or
implied,thattheinformationcontainedinthisservicehandbookiscompleteoraccurate. Itisunderstoodthat
the user of this service handbook must assume all risks or personal injury and/or damage to the equipment
while servicing the equipment for which this service handbook is intended.
Therefore,thisServiceHandbookmust be read carefully beforedoingserviceworkbothin the course of the
technical training and even after that, for keeping the correct maintenance and control of the copying
machine. KeeptheServiceHandbookalsoforthefutureservice. Whenitisimpossibletoreadthedescription
about safety and warning (due to contamination or tear), the relevant page should be replaced.
DESCRIPTION ITEMS FOR DANGER,WARNING AND CAUTION
In this Service Handbook, each of three expressions, “ DANGER”, “ WARNING” and “ CAUTION”
is defined as follows together with a symbol mark to be used in a limited meaning.
Whenservicing,therelevantworks(disassembling,assembling,adjustment,repairandmaintenance)need
to be conducted with utmost care.
SAFETY AND IMPORTANT WARNING ITEMS
DANGER: Actions having a high possibility of suffering death or serious
wound
WARNING: Actionshavingapossibilityofsufferingdeathorseriouswound
CAUTION: Actionshavingapossibilityofsufferingaslightwound,medium
trouble and material damage
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C-2
SAFETY AND IMPORTANT WARNING ITEMS
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[2] GENERAL SAFETY GUIDELINES
This copier has been examined in accordance with the laws
pertaining to various product safety regulations prior to leaving
the manufacturing facility to protect the operators and service
personnel from injury. However, as with any operating devise,
components will break down through the wear-and-tear of
everydayuse,aswilladditionalsafetydiscrepanciesbediscov-
ered.
For this reason, it is important that the technician periodically
performs safety checks on the copier to maintain optimum
reliability and safety.
CAUTION:
(1) Avoid injury.
(2) Ensure that the copier is disconnected from its power
source before continuing.
(3) Do a job wearing clothes which make the job easy and
safe.
In case that even touching driving section, there must
be no possibility of any injury like rolling up clothes.
The following checks, not all-inclusive, should be made during
each service call:
CAUTION:
(1) Look for sharp edges, burrs, and damage on all exter-
nal covers and copier frame.
(2) Inspect all cover hinges for wear (loose or broken).
(3) Inspect cables for wear, frays, or pinched areas.
(4) Ensure that the power cord insulation is not damaged
(No exposed electrical conductors).
(5) Ensure that the power cord is properly mounted to the
frame by cord clamps.
WARNING:
(1) Check the continuity from the round lug (GND) of the
powercordto the frameofthe copier. Ensure continu-
ity.
Animproperlygroundedmachinecancauseanelectri-
cally-charged machine frame.
(2) When an earth cable is connected to the improper
position,thereisapossibilityofdangersuchasexplo-
sion or an electric shock. Therefore, the earth cable
should not be connected to the following items.
a. Gas pipe
b. Lightning rod
c. Earth cable for telephone line
d. Water service pipe made of resin, and water service
pipe and faucet which are not approved to be
grounded by the Waterworks Bureau.
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[1] UNAUTHORIZED MODIFICATIONS
Konica copiers have gained a reputation for being reliable
products. Thishasbeenattainedbyacombinationofoutstand-
ing design and a knowledgeable service force.
Thedesignofthecopierisextremelyimportant. Itisthedesign
process that determines tolerances and safety margins for
mechanical,electrical,andelectronic aspects. It is notreason-
abletoexpectindividualsnotinvolvedinproductengineeringto
know what effect may be caused by altering any aspect of the
machine'sdesign. Suchchanges havethepotentialofdegrad-
ing product performance and reducing safety margins.
For these reasons,
installation of any modification not specifi-
cally authorized by Konica Corporation, is strictly prohibited.
The following list of prohibited actions is not all-inclusive, but
demonstrates the intent of this policy.
CAUTION:
(1) Using an extension cord or any unauthorized power
cord adapter.
(2) UsinganyfusethatisnotofatypespecifiedbyKonica.
(3) Using wire, paper, clips, solder, etc., to replace or
eliminate any fuse (including temperature fuses).
(4) Removing (except for replacement) any ozone filter.
(5) Defeating the operation of relays by any means (such
as wedging paper between contacts).
(6) Causingthemachinetooperateinafashionotherthan
as it was designed.
(7) Making any change which might have a chance of
defeating built-in safety features.
(8) Using any unspecified replacement parts.
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IMPORTANTWARNING ITEMS

C-3
SAFETY AND IMPORTANT WARNING ITEMS
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[3] SAFEGUARDSDURINGSERVICECALLS
CAUTION:
(1) Confirm that all screws, parts, and wiring and connec-
tor which are removed during maintenance are in-
stalled in their original positions.
(Especially, negligence of inserting a connector, a
sandwiched cord and negligence of driving a screw
should be avoided.)
(2) When disconnecting connectors, do not pull wiring,
particularly on AC line wiring and high voltage parts.
(3) Do not route the power cord where it is likely to be
stepped on or crushed.
(4) Carefully remove all toner and dirt adhering to any
electrical units or electrodes.
(5) After part replacement or repair work, route the wiring
in such a way that it does not contact any burrs or
sharp edges.
(6) Do not make any adjustments outside of the specified
range.
[4] WHEN USING SERVICE MATERIALS
CAUTION: Care should be exercised when using iso-
propylalcoholduetoitsflammability.When
using alcohol to clean parts, observe the
following precautions.
(1) Remove power from the equipment.
(2) Use alcohol in small quantities to avoid spillage or
pudding. Any spillage should be cleaned up with rags
and disposed of properly.
(3) Be sure that there is adequate ventilation.
(4) Allowasurfacewhichhasbeenincontactwithalcohol
to dry for a few minutes to ensure that the alcohol has
evaporated completely before applying power or in-
stalling covers.
CAUTION: Thoughtoneranddeveloperareharmless,
pay attention not to inhale them, or not to
expose eyes to them excessively. If this
happens, wash eyes well with clear water
and consult a doctor.
[5] ACTION TO TAKE IN THE EVENT OF A
SERIOUS ACCIDENT
(1) Ifanaccidentoccurs,thesalescompanyordealerthatwas
notified of the accident first must take necessary emer-
gencyactiontoassistanyinjuredpersonsandalsoprevent
any further damage or injury.
(2) If the customer notifies you of a serious accident, promptly
check the situation regarding damage, injury, and so on,
and report to Sales Company. Upon receiving this report,
Sales Company must report to KC.
(3) In order to determine the cause of the accident, preserve
thesiteoftheaccidentandalsothemachine itself, witness
the investigation, and also follow any instructions from
Sales Company or KC.
[6] SUMMARY
It is the responsibility of every technician to use professional
skills when servicing Konica products. There are no short cuts
to high-quality service. Each copier must be thoroughly in-
spected with respect to safety considerations as part of every
routine service call. The operability of the copier, and more
importantly, the safety of those who operate or service the
copier, are directly dependent upon the conscientious effort of
each and every technician.
Remember....when performing service calls, use good judge-
ment (have a watchful eye) to identify safety hazards or poten-
tial safety hazards that may be present, and correct these
problem areas as they are identified-the safety of those who
operate the copier as well as those who service the copier
depend on it!
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C-4
SAFETY AND IMPORTANT WARNING ITEMS
RL1
RL1
RL2
RL2
L1 CONT
L1 ACK
CVR
(H. T.) L1
PSB
f1
AC
AC
CB
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The electrical circuit of this machine contains the following
safetycircuitstopreventanaccidentfromoccurringintheevent
of an abnormality.
[1] Overall safety circuit protector
[2] L1 (exposure lamp) overheating protection circuit
[3] L2 (fixing heater lamp) overheating protection circuit
The following explanations are provided to prevent service
engineers from unintentionally disabling the safety circuits.
[1] Overall Safety Circuit Protector
SAFETY CIRCUITS
1. Protection function provided by CBR (circuit
breaker)
This function breaks the AC line instantaneously in the
event that there is excessive current flow due to a short
between the AC lines, for example.
Note: The function of CBR must not be deactivated under any
circumstances.
2. Protection function provided by LBR (current
leakage detecting circuit)
This function turns RL1 and RL2 (main relays) OFF and
breakstheAClineinstantaneouslyintheeventthatleakage
currentflowsduetoagroundshortinonesideoftheACline,
for example.
Note: The function of LBR must not be deactivated under any
circumstances.
[2] L1 (Exposure Lamp) Overheating
Protection Circuit
1. Protection function provided by software
When the L1 CONT signal output from the protection
functionbysoftwareontheCB(control board)becomes[L],
L1 lights. Simultaneously, the L1 ACK signal, which indi-
catesthatL1islit,isoutputfromtheCVRonthePSB(power
supply board) to the CB.
TheCBmonitorsboththeL1CONTandL1ACKsignals. If
they differ from each other, RL1 and RL2 (main relays) will
be turned OFF and power to L1 will be cut off.
Note: The function of RL1 and RL2 must not be deactivated
under any circumstances.
2. Protection function using HT (Hardware Timer
circuit)
IfL1remains lit formore thanapproximately 15±5seconds
because of some abnormality, the hardware timer on the
CVR in the PSB will operate, forcibly cutting off RL1 and
RL2.
Note: The function of RL1 and RL2 must not be deactivated
under any circumstances.
3. Protection function using f1 (optics temperature
fuse)
If the temperature in the vicinity of f1 rises above 169°C, f1
will blow, cutting off the flow of current to L1.
Note: Do not use a piece of wire in place of f1 under any
circumstances.
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RL1
LBR NF
RL1
RL2
CBR1
CBR2
RL2
MS1
PSB

C-5
SAFETY AND IMPORTANT WARNING ITEMS
Comparator
Section
RL1
Control
Section
RL2
RL1
RL2
TRC
PSB
L2
TH1
TH2
TS1
CB
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[3] L2 (Fixing Heater Lamp) Overheating
Protection Circuit
1. Protection function provided by software
This function turns OFF L2 (fixing heater lamp), RL1, and
RL2 (main relays) in the event that the output voltage from
TH1 (fixing temperature sensor 1), read by the CB (control
board), is abnormal.
Note: Periodically check the surfaces of TH1 and TH2 that
contacttheroller,andreplacethemiftheyareabnormal.
The function of RL1 and RL2 must not be deactivated
under any circumstances.
2. Protection function provided by hardware
Thisfunctionusesacomparatorcircuitwhichcomparesthe
outputvoltageofTH1andTH2(fixingtemperaturesensor2)
with the abnormal judgment reference value.
ItdisconnectsL2,RL1,andRL2fromthecircuitintheevent
thattheoutputvoltageofTH1orTH2exceedthereference
value.
Note: Periodically check the surfaces of TH1 and TH2 that
contacttheroller,andreplacethemiftheyareabnormal.
The function of RL1 and RL2 must not be deactivated
under any circumstances.
3. Protection function using TS1 (Thermostat)
Ifthe surfacetemperatureofthe upperfixingrollerexceeds
a specified value, TS1 will blow, directly cutting off the flow
of current to L2.
Note: Do not use a piece of wire in place of TS1 under any
circumstances.
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C-6
SAFETY AND IMPORTANT WARNING ITEMS
INDICATION OFWARNING OFTHE MACHINE
Inthemachine, each unitshownbelowisprovided with alabelofcautionor warning concerningsafety. Inthecaseof maintenance,
repair and adjustment of the machine, take good care in doing work so that a burn or an electric shock may be avoided.
CAUTION:
If you touch any place which you are advised by any caution label or caution indicator to keep
yourself away from, you may be burned or injured. Do not remove caution label. If any caution
label is removed or if any caution label or caution indicator is illegible due to any soil, clean it
for making it legible. If you cannot make it legible, please contact your Service Centre.
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This portion internally has a high volt-
age generated.
Never touch it, lest you should receive
an electric shock.
Label 3 Label 4
Label 1
CAUTION
ATTENTION
VORSICHT
HIGH TEMPERATURE
TEMPERATURE ELEVEE
HEISS
TAKE CARE WHEN REMOVING JAM
SOYEZ PRUDENT EN RETIRANT
UNE FEUILLE COINCEE
Bitte Vorsicht bei Entfernen von Papierstau
This portion is internally very hot.
Do not touch it, lest you should get
burnt.
Label 3 Label 4
HIGH VOLTAGE CAUTION
VORSICHT HOCHSPANNUNG
CAUTION HAUTE TENTION
Label 1
Label 1