MINOLTA Di 850 Service Manual
Service Manual
[General]
Di850
Dual references may be used on the following:
Official O pti ons name : Popular Op ti ons name
EDH-5 : RADF
C-403/C-40 4 : LT and LCT
FN-115 : FNS
FN-7 : FNS
Cove r I nserte Cr : PI
PK-3 : PU
TMG-2 TU
ZK-2 : PZ
In-System Writer : ISW
CONTENTS
CONTENTS
SAFETYANDIMPORTANTW ARNINGITEMS
. . . . S-1
IMPORTANTNOTICE . . . . . . . . . . . . . . . . . S-1
DANGER,WA RN ING,AND CAUTION
SYMBOLSANDEXPRESSIONS . .S-1
SAFETYWARNINGS . . . . . . . . . . . . . . . . . . S-2
SAFETYINFORMATION
. . . . . . . . . . . . . . . . . S-9
IMPORTANTINFORMATION . . . . . . . . . . . S-9
SAFETYCIRCUITS . . . . . . . . . . . . . . . . . . .S-10
INDICATIONOFWARNINGONTHE
MACHINE
. . .S-12
1.OUTLINE
OUTLINE OF SYSTEM ...... ..... ................................ ..1-1
PRODUCT SPECIFICATIONS..................................1-2
CENTER CROSS-SECTIONAL VIEW......................1-4
DRIVE SYSTEM DIAGRAM.................................... ..1-5
[1] Main Drive Section .....................................1-5
[2] Drum Drive Section......................... ..... ......1-6
[3] Developing Drive Section...........................1-7
[4] Paper Feed Drive Section..........................1-7
[5] Tray 1 and 2 Pape r Feed Drive Secti on .....1-8
[6] Tray 3 Paper Feed Drive Section ...............1-9
[7] Vertical Conveyance Drive Section..........1-10
[8] By-pass Paper Feed Drive Section..........1-11
[9] Conveyance/Transfer and Separation
Wire Cleaning Drive Section ....................1-12
[10] ADU Conveyance Drive Section ..............1-13
[11] Paper Exit Drive Section ..........................1-14
[12] Toner Supply Drive section......................1-14
[13] Optics Drive Section.................................1-15
[14] Web Drive Section....................................1-16
2.UNIT EXPLANATION
EXTERNAL SECTION...........................................2-A-1
[1] Composition ...........................................2-A-1
DRIVE SECTION....................................... ..... .......2-B-1
[1] Composition ...........................................2-B-1
[2] Mechanisms ...........................................2-B-1
[3] M1 (Main) Control...................................2-B-2
[4] M2 (Drum) Control..................................2-B-2
READ SECTION....................................................2-C-1
[1] Composition ...........................................2-C-1
[2] Mechanisms ...........................................2-C-1
[3] M13 (Scanner Drive) Control..................2-C-2
[4] Exposure control ....................................2-C-4
[5] Original Read Control.............................2-C-5
[6] APS Control............................................2-C-5
[7] AE Control..............................................2-C-7
WRITE UNIT..........................................................2-D-1
[1] Composition ...........................................2-D-1
[2] Mechanisms ...........................................2-D-1
[3] M17 (Polygon) Control ...........................2-D-2
[4] Image Write Control ...............................2-D-4
DRUM UNIT............................. .... ..........................2-E-1
[1] Composition ...........................................2-E-1
[2] Mechanisms ...........................................2-E-1
[3] Separation Claw Control ................. ..... ..2-E-2
[4] Paper Guide Plate Control .....................2-E-2
[5] Drum Potential Control...........................2-E-3
CORONA UNIT SECTION......................... ..... ..... ..2-F-1
[1] Composition ...........................................2-F-1
[2] Mechanisms ...........................................2-F-1
[3] Charging Control ....................................2-F-2
[4] Transfer/Separation Control...................2-F-3
[5] M23 (Charger Cleaning) Control............2-F-4
[6] M18 (Transfer/Separation Cleaning)
Control....................................................2-F-5
3 DIS./ASSEMBLY1 OUTLINE2 UNIT EXPLANATION
CONTENTS
[7] PCL/TSL Control ....................................2-F-6
DEVELOPING UNIT .............................................2-G-1
3 DIS./ASSEMBLY1 OUTLINE3 DIS./ASSEMBLY2 UNIT EXPLANATION
[1] Composition........................................... 2-G-1
[2] Mechanisms.......................................... 2-G-1
[3] M3 (Developing Unit Drive) Control....... 2-G-2
[4] Developing Bias Control........................2-G-2
[5] Toner Density Control............................2-G-3
[6] Dmax Control......................................... 2-G-4
[7] Gradation Correction Control................. 2-G-6
[8] Dot Diameter Correction Control........... 2-G-7
[9] FM2 (Developing Suction) Control........ 2-G-8
TONER SUPPLY UNIT..........................................2-H-1
[1] Composition............................................2-H-1
[2] Mechanisms ...........................................2-H-1
[3] Toner Level Detection Control................2-H-2
[4] M11 (Toner Supply 1) Control................2-H-3
CLEANING/TONER RECYCLE UNIT....................2-I-1
[1] Composition.............................................2-I-1
[2] Mechanisms ............................................2-I-1
[3] M14 (Blade) Control ................................2-I-2
TRAY 1/2 PAPER FEED UNIT..............................2-J-1
[1] Composition............................................ 2-J-1
[2] Mechanisms ...........................................2-J-1
[3] First Paper Feed Control........................2-J-3
[4] Paper Up Drive Control .......................... 2-J-5
[5] Paper Size Detection Control.................2-J-7
[6] No paper detection control..................... 2-J-8
TRAY 3 PAPER FEED UNIT.................................2-K-1
[1] Composition............................................2-K-1
[2] Mechanisms ...........................................2-K-1
[3] First Paper Feed Control........................2-K-3
[4] Paper Up Drive Control ..........................2-K-4
[5] Paper Size Detection Control.................2-K-5
[6] No paper detection control.....................2-K-5
BY-PASS TRAY.....................................................2-L-1
[1] Composition............................................2-L-1
[2] Mechanisms ...........................................2-L-1
[3] First Paper Feed Control........................2-L-2
[4] Paper Up/down Control..........................2-L-3
[5] Paper Size Detection Control.................2-L-4
[6] No paper detection control.....................2-L-4
VERTICAL PAPER CONVEYANCE SECTION.... 2-M-1
[1] Composition........................................... 2-M-1
[2] Mechanisms..........................................2-M-1
[3] Vertical Paper Conveyance Control...... 2-M-2
ADU.......................................................................2-N-1
[1] Composition............................................2-N-1
[2] Mechanisms ...........................................2-N-2
[3] Loop/Second Paper Feed Control..........2-N-9
[4] Paper Conveyance Control ..................2-N-10
[5] Paper Reverse and Exit Control...........2-N-11
[6] ADU Paper Feed/Reversal Control......2-N-13
[7] ADU Paper Conveyance/Feed
Control..................................................2-N-15
FIXING UNIT.........................................................2-O-1
[1] Composition ...........................................2-O-1
[2] Mechanisms ...........................................2-O-2
[3] M16 (Web Drive) Control .......................2-O-5
[4] Fixing Temperature Control ...................2-O-6
[5] SD3 (Fixing Guide) Control....................2-O-8
OTHER KINDS OF CONTROL ...... .... ...................2-P-1
[1] Parts Energized when the Main
Switch is OFF.........................................2-P-1
[2] Parts that Operate when the SW1
(Main) is Turned ON...............................2-P-2
[3] Cooling Fan Control ...............................2-P-3
[4] Operation Panel Control.........................2-P-6
[5] Counter Control......................................2-P-8
[6] Option Control........................................2-P-9
SAFETY AND IMPORT ANT WARNING ITEMS
SAFETY AND IMPORTANT WARNING ITEMS
Read carefully the Safety and Important Warning Items described below to understand them before doing service work.
IMPORTANT NOTICE
Because of possible hazards to an inexperienced person servicing this copier as well as the risk of damage to
the copier, Minolta Corporation s tron gly re comm ends that all se rvicing be performed only by Minolta-trained service technicians.
Changes may have been made to this copier to improve its performance after this Service Manual was printed.
Accordingly, Minolta Corporation does not warrant, either explicitly or implicitly, that the information contained in
this Service Manual is complete and accurate.
The user of this Service Manual must assume all risks of personal injury and/or damage to the copier while servicing the copier for which this Service Manual is intended.
Therefore, this Service Manual must be carefully read before doing service work both in the course of technical
training and even after that, for performing maintenance and control of the copier properly.
Keep this Service Manual also for future service.
DANGER, WARNING, AND CAUTION SYMBOLS AND
EXPRESSIONS
In this Service Manual, each of three expressions " DANGER," " WARNING," and " CAUTION" is defined
as follows together with a symbol mark to be used in a limited meaning.
When servicing the copier, the relevant works (disassembling, reassembling, adjustment, repair, maintenance,
etc.) need to be conducted with utmost care.
DANGER :Action having a high possibility of suffering death or serious injury
WARNING:Action having a possibility of suffering death or serious injury
CAUTION :Action having a possibility of suffering a slight wound, medium trouble, and property
damage
Symbols used for important warning items are defined as follows:
:Precaution
:Prohibition
:Direction
General precaution Electric shock Heated surface
General prohibition Do not touch with wet hand Do not disassemble
General instruction Unplug Ground/Earth
S-1
SAFETY AND IMPORTANT WARNING ITEMS
SAFETY WARNING S
[1] MODIFICATIONS NOT AUTHORIZED BY MINOLTA
Minolta copiers are renowned for their high reliability. This reliability is achieved through high-quality design and
a solid service network.
Copier design is a highly complicated and delicate process where numerous mechanical, physical, and electrical
aspects have to be taken into consideration, with the aim of arriving at proper tolerances and safety factors. For
this reason, unauthorized modifications involve a high risk of degradation in performance and safety. Such modifications are therefore strictly prohibited. the points listed below are not exhaustive, but they illustrate the reasoning behind this policy.
PROHIBITED ACTIONS:
• Using any cables or power cord not specified by Minolta.
• Using any fuse or thermostat not specified by Minolta. Safety will not be
assured, leading to a risk of fire and injury.
• Disabling fuse functions or bridging fuse terminals with wire, metal clips, solder or similar object.
• Disabling relay functions (such as wedging paper between relay contacts)
• Disabling safety functions (interlocks, safety circuits, etc.) Safety will not be
assured, leading to a risk of fire and injury.
• Making any modification to the copier unless instructed by Minolta
• Using parts not specified by Minolta
S-2
SAFETY AND IMPORT ANT WARNING ITEMS
[2] CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE
Minolta copiers are extensively tested before shipping, to ensure that all applicable safety standards are met, in
order to protect the customer and customer engineer (hereaf ter called the CE) from the risk of injury. However, in
daily use, any electrical equipment may be subject to parts wear and eventual failure. In order to maintain safety
and reliability , the CE must perform regular safety checks.
1.Power Supply
WARNING: Wall Outlet
• Check that mains voltage is as specified. Plug the power cord into the dedicated wall outlet with a capacity greater than the maximum power consumption.
If excessive current flows in the wall outlet, fire may result.
• If two or more power cords can be plugged into the wall outlet, the total load
must not exceed the rating of the wall outlet.
If excessive current flows in the wall outlet, fire may result.
kw
WARNING: Power Plug and Cord
• Make sure the power cord is plugged in the wall outlet securely.
Contact problems may lead to increased resistance, overheating, and the
risk of fire .
• Check whether the power cord is damaged. Check whether the sheath is
damaged.
If the power plug, cord, or sheath is damaged, replace with a new power
cord (with plugs on both ends) specified by Minolta. Using the damaged
power cord may result in fire or electric shock.
• When using the power cord (inlet type) that came with this copier, be sure to
observe the following precautions:
a. Make sure the copier-side power plug is securely inserted in the socket
on the rear panel of the copier.
Secure the cord with a fixture properly.
b. If the power cord or sheath is damaged, replace with a new power cord
(with plugs on both ends) specified by Minolta.
If the power cord (inlet type) is not connected to the copier securely, a
contact problem may lead to increased resistance, overheating, and risk
of fire.
• Check whether the power cord is not stepped on or pinched by a table and
so on.
Overheating may occur there, leading to a risk of fire.
S-3
SAFETY AND IMPORTANT WARNING ITEMS
WARNING: Power Plug and Cord
• Do not bundle or tie the power cord.
Overheating may occur there , leading to a risk of fire.
• Check whether dust is collected around the power plug and wall outlet.
Using the power plug and wall outlet without removing dust may result in
fire.
• Do not insert the power plug into the wall outlet with a wet hand.
The risk of electric shock exists.
• When unplugging the power cord, grasp the plug, not the cable.
The cable may be broken, leading to a risk of fire and electric shock.
WARNING: Wiring
• Never use multi-plug adapters to plug multiple power cords in the same out-
let.
If used, the risk of fire exists.
• When an extension cord is required, use a specified one.
Current that can flow in the extension cord is limited, so using a too long
extension cord may result in fire.
Do not use an extension cable reel with the cable taken up. Fire may
result.
WARNING: Ground Lead
• Check whether the copier is grounded properly.
If current leakage occurs in an ungrounded copier, you may suffer electric
shock while operating the copier. Connect the ground lead to one of the
following points:
a. Ground terminal of wall outlet
b. Ground terminal for which Class D work has been done
S-4
SAFETY AND IMPORTANT WARNING ITEMS
WARNING: Ground Lead
• Pay attention to the point to which the ground lead is connected.
Connecting the ground lead to an improper point such as the points listed
below results in a risk of explosion and electric shock:
a. Gas pipe (A risk of explosion or fire exists.)
b. Lightning rod (A risk of electric shock or fire exists.)
c. Telephone line ground (A risk of electric shock or fire exists in the case
of lightning.)
d. Water pipe or faucet (It may include a plastic portion.)
2.Installation Requirements
WARNING: Prohibited Installation Place
• Do not place the copier near flammable materials such as curtains or volatile
materials that may catch fire.
A risk of fire exists.
• Do not place the copier in a place exposed to water such as rain water.
A risk of fire and electric shock exists.
WARNING: Nonoperational Handling
• When the copier is not used over an extended period of time (holidays, etc.),
switch it off and unplug the power cord.
Dust collected around the power plug and outlet may cause fire.
CAUTION: Temperature and Humidity
• Do not place the copier in a place exposed to direct sunlight or near a heat
source such as a heater.
A risk of degradation in copier performance or deformation exists.
Do not place the copier in a place exposed to cool wind.
Recommended temperature and humidity are as follows:
Temperature: 10
Humidity: 10% to 80% (no dew condensation)
Avoid other environments as much as possible.
°C to 30°C 50 °F to 86°F
CAUTION: Ventilation
• Do not place the copier in a place where there is much dust, cigarette smoke,
or ammonia gas.
Place the copier in a well ventilated place to prevent machine problems
and image faults.
S-5
SAFETY AND IMPORTANT WARNING ITEMS
CAUTION: Ventilation
• The copier generates ozone gas during operation, but it is not sufficient to b e
harmful to the human body.
If a bad smell of ozone is present in the f ollowing c ases , ve ntilate t he room.
a. When the copier is used in a poorly ventilated room
b. When taking a lot of copies
c. When using multiple copiers at the same time
CAUTION: Vibration
• When installing the copier, read the Installation Guide thoroughly. Be sure to
install the copier in a level and sturdy place.
Constant vibration will cause problems.
• Be sure to lock the caster stoppers.
In the case of an earthquake and so on, the copier may slide, leading to a
injury.
CAUTION: Inspection before Servicing
• Before conducting an inspection, read all relevant documentation (Service
Manual, technical notices, etc.) and proceed with the in spec tion following the
prescribed procedure, using only the prescribed tools. Do not make any
adjustment not described in the documentation.
If the prescribed procedure or tool is not used, the copier may break and a
risk of injury or fire exists.
• Before conducting an inspection, be su re to disconnect the power plugs from
the copier and options.
When the power plug is inserted in the wall outlet, some units are still powered even if the POWER switch is turned OFF. A risk of electric shock
exists.
• The area around the fixing unit is hot.
Yo u may get burnt.
DANGER: Work Performed with the Copier Powered
• Take every care when making adjustments or performing an operation check
with the copier powered.
If you make adjustments or perform an operation check with the external
cover detached, you may touch live or high-voltage parts or you may be
caught in moving gears or the timing belt, leading to a risk of injury.
S-6
SAFETY AND IMPORT ANT WARNING ITEMS
DANGER: Work Performed with the Copier Powered
• Take every care when servicing with the external cover detached.
High-voltage exists around the drum unit. A risk of electric shock exists.
WARNING: Safety Checkpoints
• Check the exterior and frame for edges, burrs, and other damages.
Personal injuries may result.
• Do not allow any metal parts such as clips, staples, and screw s to f all into the
copier.
They can short internal circuits and cause electric shock or fire.
• Check wiring for squeezing and any other dam age.
Current can leak, leading to a risk of electric shock or fire.
• When disconnecting connectors, grasp the connector, not the cable.
(Specifically, connectors of the AC line and high-voltage parts)
Current can leak, leading to a risk of electric shock or fire.
• Carefully remove all toner remnants and dust from electrical parts and elec-
trode units such as a charging corona unit.
Current can leak, leading to a risk of copier trouble or fire.
• Check high-voltage cables and sheaths for any damage.
Current can leak, leading to a risk of electric shock or fire.
• Check electrode units such as a charging corona unit for deterioration and
sign of leakage.
Current can leak, leading to a risk of trouble or fire.
• Before disassembling or adjusting the write unit incorporating a laser, make
sure that the power cord has been disconnected.
The laser light can enter your eye, leading to a risk of loss of eyes ight.
• Do not remove the cover of the write unit. Do not supply power with the write
unit shifted from the specified mounting position.
The laser light can enter your eye, leading to a risk of loss of eyes ight.
• When replacing a lithium battery, replace it with a new lithium battery speci-
fied in the Parts Guide Manual. Dis pose of the used lithium battery using the
method specified by local authority.
Improper replacement can cause explosion.
S-7
SAFETY AND IMPORTANT WARNING ITEMS
WARNING: Safety Checkpoints
• After replacing a part to which AC voltage is applied (e.g., optical lamp and
fixing lamp), be sure to check the installation state.
A risk of fire exi sts.
• Check the interlock switch and actuator for loosening and check whether the
interlock functions properly.
If the interlock does not function, you may receive an electric shock or be
injured when you insert your hand in the copier (e.g., for clearing paper
jam).
• Make sure the wiring cannot come into contact with sharp edges, burrs, or
other pointed parts.
Current can leak, leading to a risk of electric shock or fire.
• Make sure that all screws, components, wiring, connectors, etc. that were
removed for safety check and maintenance have been reinstalled in the original location. (Pay special attention to forgotten connectors, pinched cables,
forgotten screws , etc.)
A risk of copier trouble, electric shock, and fire exists.
HANDLING OF MATERIALS FOR SERVICING
• Unplug the power cord from the wall outlet.
Drum cleaner (isopropyl alcohol) and roller cleaner (acetone-based) are
highly flammable and must be handled with care. A risk of fire exists.
• Do not replace the cover or turn the copier ON before any solvent remnants
on the cleaned parts have fully evaporated.
A risk of fire exi sts.
• Use only a small amount of cleaner at a time and take care not to spill any
liquid. If this happens, immediately wipe it off.
A risk of fire exi sts.
• When using any solvent, ventilate the room well.
Breathing large quantities of organic solvents can lead to discomfort.
S-8
SAFETY INFORMATION
DANGER: HANDLING OF MATERIALS FOR SERVICING
• Toner and developer are not harmful substances, but care must be taken not
to breathe excessive amounts or let the substances come into contact with
eyes, etc. It may be stimulative .
If the substances get in the eye, rinse with plenty of water immediately.
When symptoms are noticeable, consult a physician.
• Never throw the used cartridge and toner into fire.
You may be burned due to dust explosion.
[3] CONCLUSION
1. Safety of users and customer engineers depends highly on accurate maintenance and administration.
Therefore, safety can be maintained by the appropriate daily service work conducted by the customer
engineer.
2. When performing service, each copier on the site must be tested for safety. The customer engineer must
verify the safety of parts and ensure appropriate management of the equipment.
SAFETY INFORMATION
IMPORTANT INFORMATION
The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration implemented
regulations for laser products manufactured since August 1, 1976. Compliance is mandatory for products marketed in the United States.
This copier is certified as a “Class 1” laser product under the U.S.
Department of Health and Human Services (DHHS) R adiat ion Performance Standard according to the Radiation
Control for Health and Safety Act of 1968. Since radiatio n emitt ed ins i de t his c opier is completely confined within
protective housings and ex ter nal covers, the laser beam cannot escape during any phase of normal user operation.
S-9
SAFETY INFORMATION
SAFETY CIRCUITS
This machine is provided with the following safety circuits to prevent machine faults from resulting in serious accidents.
[1] Overall protection circuit
[2] L2 and L4 (fixing heater lamps) overheating
prevention circuit
These safety circuits are described below to provide
the service engineer with a renewed awareness of
them in order to prevent servicing errors that may
impair their functions.
[1] Overall Protection Circuit
CBR1
NF NF2
1. Protection by CBR1 and CBR2 (circuit
breakers)
CBR1 interrupt the AC line instantaneously
when an excessive c urrent flows due to a short
in the AC line.
CAUTION:
The CBR1 and CBR2 functions must not
be deactivated under any circumstances.
[2] Protection by L2 and L4 (fixi ng heater
lamps) overheating prevention circuit
ACDB
RL
driver
section
AC
driver
section
TH4
TH3
TH2
TH1
CB
Control
section
1. Protection by software
The output voltage from TH1 (fixing temperature sensor 1) is read by the CPU. If this voltage is abnormal, L2 (fixing heater lamp 1), and
L4 (fixing heater lamp 3), and RL1 (main relay)
are turned OFF.
CAUTION:
Do not change the gap between the roller
and TH1. When repl-acing TH1, check the
specified mounting dimensions.
The RL1 function must not be deactivated
under any circum-stances.
RL1
RL1
TS1
L2
L4
S-10
2. Protection by the hardware circuit
The output voltages from TH1 and TH2 (fixing
temperature sensor 2), TH3 (fixing temperature sensor 3), and TH4 (fixing temperature
sensor 4) are compared with the abnormality
judgement reference value in the comparator
circuit. If the output voltage from TH1, TH2,
TH3, or TH4 exceeds the reference value, L2,
L4, and RL1 are turned off in hardware means.
CAUTION:
Periodically check t he TH2 and TH4 face s
contacting the roller, and replace TH2
and/or TH4 if any abnormality is detected.
Do not change the gap between the roller
and each sensor TH2 and TH4. When
replacing TH2 or TH4, check the specified
mounting dimensions.
The RL1 function must not be deactivated
under any circum-stances.
3. Protection by TS1 (thermostat (upper)) and
TS2 (thermostat (lower))
TS1 is turned off when the temperature of the
fixing roller (upper) exceeds the specified
value, and TS2 is turned off when the temperature of the heating (upper) roller exceeds the
specified value, thus interrupting the power to
L2 and L4 directly .
CAUTION:
Do not use any other electrical conductor
in place of TS1 and TS2.
SAFETY INFORMATION
S-11
SAFETY INFORMATION
INDICATION OF WARNING ON THE MACHINE
Caution labels shown below are attached in some areas on/in the machine areas.
When accessing these areas for maintenance, repair, or adjustment, special care should be taken to avoid burns
and shock hazards.
CAUTION
CAUTION
ATTENTION
VORSICHT
PRECAUCION
ATTENZIONE
2
2
1
(Top surface of
the fixing unit)
(Inside of
the fixing unit)
(Front side of
the fixing unit)
ATTENTION
VORSICHT
PRECAUCION
(Both sides of the fixing unit)
CAUTION
The fixing unit is very hot.
To avoid getting burned DO NOT
TOUCH.
ATTENZIONE
WARNING
DANGER
WARNUNG
ADVERTENCIA
AVVERTIMENTO
WARNING
This area generates
high voltage. If
touched, electrical
shock may occur. DO
NOT TOUCH!
CAUTION
ATTENTION
VORSICHT
CAUTION
The conveyance fixing unit is heavy.
Use care and draw it out gently;
otherwise you may be injured.
PRECAUCION
ATTENZIONE
CAUTION
DO NOT put your hand between the
main body and developing fixing
unit; otherwise you may be injured.
CAUTION
Please adhere to all caution labels to avoid burns or injury.
S-12
CAUTION
ATTENTION
VORSICHT
PRECAUCION
ATTENZIONE
SAFETY INFORMATION
DANGER
VISIBLE LASER RADIATION WHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM.
Unplug the machine before removing platen glass.
WARNING
Debrancher le copieur avant de retirer la vitre d'exposition.
DANGER
Vor Entfernen des Vorlagenglases Netzstecker ziehen.
WARNUNG
Desenchufe la maquina antes de quitar el vidrio.
ADVERTENCIA
Estrarre la spina dalla presa prima di rimuovere il vetro di esposizione.
AVVERTIMENTO
PS
Elektrische T eile
In dieser Einheit
PS
PS
for BA standard
VISIBLE LASER RADIATION WHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM
LASERSTRAHLUNG,WENN ABDECKUNG
GEÖFFNET.
NICHT DEM STRAHL AUSSETZEN.
CAUTION
Please adhere to all caution labels to avoid burns or injury.
S-13
RAYON LASER VISIBLE LORS DE
L‘OUVERTURE.
EVITER L‘EXPOSITION DERECTE.
PS
SAFETY INFORMATION
Tray 3
FN-7 Only
CAUTION
ATTENTION
PRECAUCION
CUIDADO
CAUTION
ATTENTION
VORSICHT
PRECAUCION
ATTENZIONE
Tray 1
CAUTION
Tray 2
CAUTION
DO NOT put your hand
between the main body
and tray; otherwise you
may be injured.
CAUTION
Use care after opening the
paper exit outlet. DO NOT
put your hands into the
paper exit outlet as you
may be injured.
CAUTION
Inside the lower paper exit outlet
is the roller drive unit.
DO NOT put your hands into the
paper exit outlet as you may be
injured
CAUTION
Please adhere to all caution labels to avoid burns or injury.
Finisher [FN-7 / FN-115]
S-14
WARNING
WARNING
Unplug the machine before removing
panels.
D brancher lÕappareil avant de
retirer les panneaux arri res.
Desenchufe la m‡quina antes de
quitar los paneles.
Desconecte a unidade da tomada
antes de remover os pain is.
Unplug the machine before removing
panels.
D brancher lÕappareil avant de
retirer les panneaux arri res.
Vor Abnahme der Schutzverkleidung
Netzstecker ziehen.
Desenchufe la m‡quina antes de
quitar los paneles.
Scollegare la macchina prima di
rimuovere i pannelli.
SAFETY INFORMATION
CAUTION
Trimmer [TMG-2]
CAUTION
Please adhere to all caution labels to avoid burns or injury.
S-15
SAFETY INFORMATION
WARNING
Unplug the machine before removing
panels.
Débrancher l’appareil avant de retirer
les panneaux arrières.
Desenchufe la máquina antes de
quitar los paneles.
Desconecte a unidade da tomada
antes de remover os painéis.
Unplug the machine before removing
panels.
Débrancher l’appareil avant de retirer
les panneaux arrières.
Vor Abnahme der Schutzverkleidung
Netzstecker ziehen.
Desenchufe la máquina antes de
quitar los paneles.
Scollegare la macchina prima di
rimuovere i pannelli.
<PK-3 Puncher>
<ZK-2 Puncher with Z-folding>
CAUTION
Please adhere to all caution labels to avoid burns or injury.
S-16
1
OUTLINE
1 OUTLINE
1 OUTLINE
OUTLINE OF SYSTEM
OUTLINE
Cover Inserter
[Cover In serter C]
Trimmer
[TMG-2]
Finisher
[FN-115]
Finisher
[FN-7]
Puncher
[PK-3]
Puncher with
Z-folding
[ZK-2]
Paper
exit tray
Printer Controller
Expansion memory unit
[M64-1 / M128-1]
1 OUTLINE
LCT [C-403]
LCT [C-404]
1-1
OUTLINE
PRODUCT SPECIFICATIONS
[1] Type
1 OUTLINE
[2] Functions
Installation Type:
Copying method:
Document tray type:
Photosensitive material:
Sensitizing method:
Paper feed trays:
Applicable document types:
Document size:
Copy paper size:
• Metric area
A3 to A5, 11x17 to 8.5 x11, F4
• Inch Area
11x17 to 8.5 x5.5, A3 to B5R, F4
Wide paper (max. 314x445mm)*2
*2: When using C404
Paper size for ADU paper passage:
Max. 314 x 459 mm to A5 or
8.5 x 5.5 min.
Magnifications
Fixed magnifications:
• Metric area
x1.00, x2.00, x1.41, x1.22, x1.15,
x0.86, x0.82, x0.71, x0.50
• Inch Area
x1.00, x4.00, x2.00, x1.55, x1.29,
x0.77, x0.65, x0.50
Special ratio magnifications:
Console type (floor-mounted type)
Indirect electrostatic method
Fixed
OPC
Laser writing
Three stacked trays (two for 500
sheets of 80 g/m
one for 1000 sheets of 80 g/m
20lbs. paper)
A by-pass tray for various paper
sizes (150 sheets of 80 g/m
lbs. paper)
LCT (4000 sheets of 80 g/m
lbs. paper)*1
*1: Optional
Sheets, book, solid object
A3 (11x17) max.
3 modes
2
or 20lbs. paper;
2
or 20
2
or 20
Zoom magnifications:
Vertical magnifications:
Horizontal magnifications:
Warm-up time:
First copy out time:
2
or
Continuous copy speed (life size, copies/
min):
Continuous copy count:
Copy density selections:
E-RDH memory capacity:
x0.25 to x4.00 (600 dpi, in 1% steps)
x0.25 to x4.00 (600 dpi, in 1% steps)
x0.25 to x4.00 (600 dpi, in 1% steps)
Less than 6 minutes*2
*2: 6 minutes is the machine for the
230VAC specification.
Warm-up time differs depending
on the Power sour ce (voltage).
Mode A4, 8.5x11
Manual 3.3 seconds or less
*Straight paper ejection with the
copied image facing up, platen
mode, life size, paper f eed from tra y
1
Size cpm
A4, 8.5x11 85
1 to 9999
AE, manual
Arbitrary density (2 modes)
standard 128 MB
maximum 512 MB
1-2
OUTLINE
[3] Applicable Copy Paper
Plain paper:
High quality paper 60 to 90 g/m
Special paper:
Bypass feed only:
Tray feed only:
ADU paper passage:
or 17 to 24 lbs
High quality paper
50 to 59 g/m
13 to 16 lbs, 24 to 40 Ibs
Label paper
OHP Film
Blueprint master paper
High quality paper
171 to 200 g/m
High quality paper
60 to 200 g/m
2
, 91 to 170 g/m2 or
2
[4] Options
LCT: C-403 / C-404
Expansion memory unit:
Finisher: FN-115 / FN-7
Post inserter: Cover Inserter C
Trimmer: TMG-2
Puncher: PK-3
Puncher with Z-folding :ZK-2
Paper exit tr ay
Printer Controller:
M64-1: 64MB
M128-1: 128MB
2
or 40 to 45 lbs
or 17 to 45 lbs
[5] Particulars of Machine
2
Power supply:
230 VAC EURO: -14 to 10.6 %
USA : ±10 %
50 Hz/ 60 Hz
208 to 240 VAC 60 Hz
Power consumption:
230 V Machine: 3450 W max.
(Full option)
208 to 240 V Machine: 3840 W max.
(Full option)
Weight: Approx. 280 kg (617 lbs.)
Machine dimensions:
35"
[6] Maintenance and Life
Periodic maintenance:
Machine life:
Every 500,000 copies
30,000,000 copies or 5 years
[7] Consumables
Developer: Exclusively for Minolta Di850
Toner : Exclusively for Minolta Di850
Drum: Exclusively for Minolta Di850 (ø100)
[8] Environmental Conditions
Temperature:
Humidity: 10% to 80% RH
Note: The information herein may subject to
10°C to 30°C (50°F to 86°F)
change for improvement without notice.
1 OUTLINE
45.5"
35.5"
1-3
OUTLINE
CENTER CROSS-SECTIONAL VIEW
1 OUTLINE
Image processing
section
Exposure lamp
Fixing
section
Paper exit
section
Paper reverse/
exit section
Cleaning section PCL
Charging corona
section
RADF
Image read
section
Image write
section
Developing
section
Second paper
feed section
By-pass tray
T ransf er corona
section
Vertical conveyance
section
TSL
Tray 1
Tray 2
section
Separation
corona section
1-4
Tray 3
ADUPaper conveyance
DRIVE SYSTEM DIAGRAM
OUTLINE
[1] Main Drive Sect io n
To paper conveyance and
transfer/separation cor ona
cleaning section
Fixing unit
Heating roller
1
Fixing unit
upper roller
1 OUTLINE
FRONT
Main motor (M1)
Fixing unit lower roller
1-5
OUTLINE
[2] Drum Drive Se ct io n
1 OUTLINE
Drum motor (M2)
Separation claw
solenoid (SD4)
Toner guide brush
Drum
FRONT
Toner guide shaft
Toner conveyance screws
Separation claw unit
Separation claw swing cam
1-6
OUTLINE
[3] Developing Drive Section
Agitator screw
Developing motor ( M3)
[4] Paper Feed Drive Section
5
FRONT
Agitator wheel
Developing slee ve
To tray 1 paper feed/ tray up drive section
2
FRONT
1 OUTLINE
6
To vertical conveyance section
To vertical conveyance section
Paper feed motor (M4)
To tray 2 paper feed/ tray up drive section
3
To tray 3 paper feed/tray up drive section
4
1-7
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