Muratec F-114 Series User manual

SERVICE MANUAL
F-114 / F-114P
DIGITAL LASER MFP
Contents
1. Precautions
2. Product Specifications & Features
3. Disasse bly and Reasse bly
4. Align ent & Troubleshooting
5. Exploded Views and Parts Lists
6. Syste Diagra
7. Reference Infor ation

Contents
1. Precautions
1.1 Safety Warning 1-1
1.2 Caution for safety 1-2
1.3 ESD Precautions 1-5
2. Product Specifications and Features
2.1 Product Specifications 2-1
2.2 Su ary of Product 2-5
2.2.1 Printer Co ponents 2-5
2.2.2 Overview of Syste 2-9
2.2.3 Syste Layout 2-11
2.2.4 Main PBA(SPL Model) 2-15
2.2.5 SMPS & HVPS 2-18
2.2.6 Engine F/W 2-22
2.2.7 OPE PBA 2-23
3. Disasse bly and Reasse bly
3 .1 General Precautions on Disasse bly 3-1
3.2 White Roller Ass,y 3-2
3.3 Rear Cover 3-2
3.4 Side Cover L 3-3
3.5 Side Cover R 3-3
3.6 OPE Unit 3-4
3.7 ADF Rubber Pad 3-6
3.8 CIS 3-7
3.9 Exit Roller 3-7
3.10 Front Cover Ass'y 3-8
3.11 Scan Ass'y 3-9

Continued
3.12 Scan Motor Ass'y 3-10
3.13 ADF Roller 3-11
3.14 Sub Hook PBA 3-12
3.15 Drive Ass'y 3-13
3.16 DC-Fan 3-13
3.17 Exit Cover Ass'y 3-14
3.18 LSU-Unit 3-15
3.19 Engine Shield Ass'y 3-15
3.20 Main PBA 3-16
3.21 SMPS 3-17
3.22 Fuser Ass'y 3-18
3.23 Transfer Ass'y 3-20
3.24 Feed Ass'y 3-21
3.25 Pick up Ass'y 3-23
3.26 Solenoid 3-23
4. Align ent & Troubleshooting
4.1 Align ent and Adjust ents 4-1
4.1.1 Paper path 4-1
4.1.2 Clearing Paper Ja s 4-4
4.1.3 User Mode(F-114P) 4-12
4.1.4 Tech Mode 4-13
4.1.5 Engine Test Mode 4-18
4.1.6 Identify Sale Date 4-19
4.1.7 Consu ables and Replace ent Parts 4-20
4.1.8 Abnor al I age Printing and Defective Roller 4-21
4.1.9 Error Messages 4-22
4.2 Troubleshooting 4-25
4.2.1 Procedure of Checkig the Sy pto s 4-25
4.2.2 The cause and solution of i age quality 4-26
4.2.2 Fax & Phone Proble s 4-42

Continued
4.2.3 Copy Proble s 4-51
4.2.4 Paper Feed proble s – Causes and Solutions 4-55
4.2.5 Printer Faults – Causes and Solutions 4-63
4.2.6 Toner Cartridge Service 4-73
4.2.7 Software Proble s – Causes and Solutions 4-78
5. Exploded Views & Parts Lists
5.1 Main Exploded View 5-2
5.2 Top Cover Exploded View 5-5
5.3 OPE Ass’y Exploded View 5-7
5.4 Scan Upper Ass’y Exploded View 5-9
5.5 Main Fra e Exploded View 5-11
5.6 Fuser Unit Exploded View 5-14
5.7 Exit Cover Exploded View 5-16
5.8 Cassette Unit Exploded View 5-18
6. Syste Diagra
6.1 Block Diagra 6-1
6.1 Connection Dia ra 6-2
7. Reference Infor ation
7.1 Troubleshooting Tools 7-1
7.2 Acrony s and Abbreviations 7-2
7.3 Selecting printer locations 7-4
7.4 LAN (Optional Function) 7-4
7.5 Sa ple Tests Patterns 7-5

Service Manual
Precautions
1-1
1. Precautions
In order to prevent accidents and to prevent damage to the equipment please read the precautions listed
below carefully before servicing the printer and follow them closely.
1.1 Safety Warning
(1) Only to be serviced by appropriately qualified service engineers.
igh voltages and lasers inside this product are dangerous. This printer should only be serviced by a suitably
trained and qualified service engineer.
(2) Use only authorized replacement parts
There are no user serviceable parts inside the printer. Do not make any unauthorized changes or
additions to the printer, these could cause the printer to malfunction and create electric shock or fire haz-ards.
(3) Laser Safety Statement
The Printer is certified in the U.S. to conform to the requirements of D S 21 CFR, chapter 1 Subchapter J for
Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product
con-forming to the requirements of IEC 825. Class I laser products are not considered to be hazardous. The
laser system and printer are designed so there is never any human access to laser radiation above a Class I
level during normal operation, user maintenance, or prescribed service condition.
Warning >> Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The
reflected beam, although invisible, can damage your eyes. When using this product, these basic safety
pre cautions should always be followed to reduce risk of fire, electric shock, and injury to persons.
CAUTION - INVISIBLE LASER RADIATION 
W EN T IS COVER OPEN. 
DO NOT OPEN T IS COVER.
VORSIC T - UNSIC TBARE LASERSTRA LUNG, 
WENN ABDECKUNG GEÖFFNET. 
NIC T DEM STRA L AUSSETZEN.
ATTENTION - RAYONNEMENT LASER INVISIBLE EN CAS 
D’OUVERTURE. EXPOSITION DANGEREUSE 
AU FAISCEAU.
ATTENZIONE - RADIAZIONE LASER INVISIBILE IN CASO DI 
APERTURA. EVITARE L’ESPOSIZIONE AL 
FASCIO.
PRECAUCION - RADIACION LASER IVISIBLE CUANDO SE ABRE. 
EVITAR EXPONERSE AL RAYO.
ADVARSEL. - USYNLIG LASERSTRÅLNING VED ÅBNING, NÅR 
SIKKER EDSBRYDERE ER UDE AF FUNKTION. 
UNDGÅ UDSAETTELSE FOR STRÅLNING.
ADVARSEL. - USYNLIG LASERSTRÅLNING NÅR DEKSEL 
ÅPNES. STIRR IKKE INN I STRÅLEN. 
UNNGÅ EKSPONERING FOR STRÅLEN.
VARNING - OSYNLIG LASERSTRÅLNING NÄR DENNA DEL 
ÄR ÖPPNAD OC SPÄRREN ÄR URKOPPLAD. 
BETRAKTA EJ STRÅLEN. STRÅLEN ÄR FARLIG.
VARO! - AVATTAESSA JA SUOJALUKITUS O ITETTAESSA 
OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASER-
SÄTEILYLLE ÄLÄ KATSO SÄTEESEEN.

Service Manual
Precautions
1-2
1.2 Caution for safety
1.2.1 Toxic material
This product contains toxic materials that could cause illness if ingested.
(1) If the LCD control panel is damaged it is possible for the liquid inside to leak. This liquid is toxic. Contact with the skin
should be avoided, wash any splashes from eyes or skin immediately and contact your doctor. If the liquid gets into
the mouth or is swallowed see a doctor immediately.
(2) Please keep toner cartridges away from children. The toner powder contained in the toner cartridge may be harmful
and if swallowed you should contact a doctor.
1.2.2 Electric Shock and Fire Safety Precautions
Failure to follow the following instructions could cause electric shock or potentially cause a fire.
(1) Use only the correct voltage, failure to do so could damage the printer and potentially cause a fire cause an
electric shock.
(2) Use only the power cable supplied with the printer. Use of an incorrectly specified cable could cause the cable
to overheat and potentially cause a fire.
(3) Do not overload the power socket, this could lead to overheating of the cables inside the wall and could lead to
a fire.
(4) Do not allow water or other liquids to spill into the printer, this can cause electric shock. Do not allow paper
clips, pins or other foreign objects to fall into the printer these could cause a short circuit leading to an electric
shock or fire hazard..
(5) Never touch the plugs on either end of the power cable with wet hands, this can cause electric shock. When
servicing the printer remove the power plug from the wall socket.
(6) Use caution when inserting or taking off the power plug. The power plug has to be inserted completely. If not,
a fire will be caused due to poor contact. When taking off the power plug, grip the plug and remove it.
(7) Take care of the power cable. Do not allow it to become twisted, bent sharply round corners or other wise
damaged. Do not place objects on top of the power cable. If the power cable is damaged it could overheat and
cause a fire or exposed cables could cause an electric shock. Replace a damaged power cable immediately,
do not reuse or repair the damaged cable. Some chemicals can attack the coating on the power cable,
weakening the cover or exposing cables causing fire and shock risks.
(8) Ensure that the power sockets and plugs are not cracked or broken in any way. Any such defects should be
repaired immediately. Take care not to cut or damage the power cable or plugs when moving the machine.
(9) Use caution during thunder or lightening storms. It is recommend that this machine be disconnected from
the power source when such weather conditions are expected. Do not touch the machine or the power cord if it
is still connected to the wall socket in these weather conditions.
(10) Avoid damp or dusty areas, install the printer in a clean well ventilated location. Do not position the machine
near a humidifier. Damp and dust build up inside the machine can lead to overheating and cause a fire.
(11) Do not position the printer in direct sunlight. This will cause the temperature inside the printer to rise possibly
leading to the printer failing to work properly and in extreme conditions could lead to a fire.
(12) Do not insert any metal objects into the machine through the ventilator fan or other part of the casing, it could
make contact with a high voltage conductor inside the machine and cause an electric shock.

Service Manual
Precautions
1-3
1.2.3 andling Precautions
The following instructions are for your own personal safety, to avoid injury and so as not to damage the printer
(1) Ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause
the printer to tip or fall.
(2) printer contains many rollers, gears and fans. Take great care to ensure that you do not catch your fingers, hair
or clothing in any of these rotating devices.
(3) Do not place any small metal objects, containers of water, chemicals or other liquids close to the printer which if
spilled could get into the machine and cause damage or a shock or fire hazard.
(4) Do not install the machine in areas with high dust or moisture levels, beside on open window or close to a
humidifier or heater. Damage could be cause to the printer in such areas.
(5) Do not place candles, burning cigarettes, etc on the printer, These could cause a fire.
1.2.4 Assembly / Disassembly Precautions
Replace parts carefully, always use authorized parts. Take care to note the exact location of parts and also
cable routing before dismantling any part of the machine. Ensure all parts and cables are replaced correctly.
Please carry out the following procedures before dismantling the printer or replacing any parts.
(1) Check the contents of the machine memory and make a note of any user settings. These will be erased if the
mainboard or network card is replaced.
(2) Ensure that power is disconnected before servicing or replacing any electrical parts.
(3) Disconnect printer interface cables and power cables.
(4) Only use approved spare parts. Ensure that part number, product name, any voltage, current or temperature
rating are correct.
(5) When removing or re-fitting any parts do not use excessive force, especially when fitting screws into plastic.
(6) Take care not to drop any small parts into the machine.
(7) andling of the Toner Cartridge
- The OPC Drum can be irreparably damaged if it exposed to light.
Take care not to expose the OPC Drum either to direct sunlight or to fluorescent or incandescent room
lighting. Exposure for as little as 5 mins can damage the surface’s photoconductive properties and will result
in print quality degradation. Take extra care when servicing the printer. Remove the OPC Drum and store it in
a black bag or other lightproof container. Take care when working with the covers(especially the top cover)
open as light is admitted to the OPC area and can damage the OPC Drum.
- Take care not to scratch the green surface of OPC Drum Unit.
If the green surface of the Drum Cartridge is scratched or touched the print quality will be compromised.

Service Manual
Precautions
1-4
1.2.5 Disregarding this warning may cause bodily injury
(1) Be careful with the high temperature part.
The fuser unit works at a high temperature. Use caution when working on the printer. Wait for the fuser to cool
down before disassembly.
(2) Do not put finger or hair into the rotating parts.
Take care when using a printer. It contains many rotating parts. Ensure that fingers, hair, clothing etc. do not
become caught in the mechanism as this could cause injury.
(3) When you move the printer.
This printer weighs 10kg including toner cartridge and cassette. Use safe lifting and handling techniques. Use
the lifting handles located on each side of the machine. Back injury could be caused if you do not lift carefully.
(4) Ensure the printer is installed safely.
The printer weighs 10Kg, ensure the printer is installed on a level surface, capable of supporting its weight.
Failure to do so could cause the printer to tip or fall possibly causing personal injury or damaging the printer.
(5) Do not install the printer on a sloping or unstable surface. After installation, double check that the printer is
stable.