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Safety, Conventions, Trademarks

Conventions

Symbol

What it means

Core Tech Manual

Screw

Connector

E-ring

C-ring

Harness clamp

FFC

Flexible Film Cable

The notations "SEF" and "LEF" describe the direction of paper feed. The arrows indicate the direction of
paper feed.

Warnings, Cautions, Notes

In this manual, the following important symbols and notations are used.

• A Warning indicates a potentially hazardous situation. Failure to obey a Warning could result in

death or serious injury.

Содержание M379

Страница 1: ...Buffer Pass Unit Machine Code M379 Service Manual 31 March 2009 Subject to change...

Страница 2: ......

Страница 3: ...Film Cable The notations SEF and LEF describe the direction of paper feed The arrows indicate the direction of paper feed Warnings Cautions Notes In this manual the following important symbols and not...

Страница 4: ...d advice about how to best service the machine General Safety Instructions For your safety please read this manual carefully before you use this product Keep this manual handy for future reference Saf...

Страница 5: ...achine Work carefully when lifting or moving the machine If the machine is heavy two or more customer engineers may be required to prevent injuries muscle strains spinal injuries etc or damage to the...

Страница 6: ...ets etc removed for installation have been removed and that no tools remain inside the machine This also ensures that all release interlock switches have been restored to normal operation Never use yo...

Страница 7: ...g nauseous Switch the machine off unplug it and allow it to cool before doing preventive maintenance To avoid fire or explosion never use an organic cleaner near any part that generates heat Wash your...

Страница 8: ...er use an extension cord When you disconnect the power plug from the power source always pull on the plug not the cable After Installation Servicing Disposal of Used Items Never incinerate used toner...

Страница 9: ...touching those components with your bare hands 7 To prevent a fire or explosion keep the machine away from flammable liquids gases and aerosols Observance of Electrical Safety Standards 1 Themachinean...

Страница 10: ...ety Instructions for this Machine 7 1 Replacement and Adjustment Exterior Covers 11 Rear Cover 11 Top Cover 11 Right Cover 13 Left Cover 13 Operation Panel 13 Drive Components 15 Drive Motor 15 Drive...

Страница 11: ...Drive Layout 34 Paper Path 36 Paper Cooling 37 9...

Страница 12: ...10...

Страница 13: ...he buffer pass unit and unplug the mainframe before starting the following procedure Do not pull out the buffer pass unit drawer until this unit has been docked to the mainframe Otherwise the buffer p...

Страница 14: ...2 Remove two screws on the front upper side x 2 3 Rear cover p 11 4 Push the top cover A to the front side and then remove it 1 Replacement and Adjustment 12 1...

Страница 15: ...Right Cover 1 Right cover A x 6 Left Cover 1 Left cover A x 6 Operation Panel 1 Top Cover p 11 Exterior Covers 13 1...

Страница 16: ...2 Operation Panel x 2 x 1 1 Replacement and Adjustment 14 1...

Страница 17: ...been docked to the mainframe Otherwise the buffer pass unit can fall down Drive Motor 1 Rear cover p 11 2 Controller board bracket p 27 3 Drive Motor A x 4 x 1 There are two drive motors right and lef...

Страница 18: ...ront door 2 Turn the C2 lever completely counterclockwise 3 Pull out the paper path unit slightly p 18 Lower Cooling Fans 4 Install the drive motor base x 3 5 Push the paper path unit completely and c...

Страница 19: ...inframe before starting the following procedure Do not pull out the buffer pass unit drawer until this unit has been docked to the mainframe Otherwise the buffer pass unit can fall down Cooling Fans U...

Страница 20: ...pper cooling fan bracket A x 1 x 2 x 2 6 Upper cooling fans B x 2 each Reinstalling the upper cooling fans Make sure that the decals on the fans face downward when reinstalling the upper cooling fans...

Страница 21: ...er path unit A Take care to pull out the paper path unit so that the buffer pass unit does not fall down to the front It is because the weight of the paper path unit is heavier than that of the buffer...

Страница 22: ...ooling fans A x 2 each x 2 x 2 Reinstalling the lower cooling fans Make sure that the decals on the fans face upward when reinstalling the lower cooling fans Exhaust Fans Upper Exhaust Fans 1 Rear cov...

Страница 23: ...upside down and face the rear side when reinstalling the upper exhaust fans Lower Exhaust Fans 1 Rear cover p 11 2 Lower exhaust fans A x 2 each x 1 Reinstalling the lower exhaust fans Make sure that...

Страница 24: ...ing the following procedure Do not pull out the buffer pass unit drawer until this unit has been docked to the mainframe Otherwise the buffer pass unit can fall down Transport Sensors 1 Open the front...

Страница 25: ...4 C2 handle A B x 1 5 Front inner cover A x 6 Sensors and Switches 23 1...

Страница 26: ...3 Transport Sensor 3 4 Transport Sensor 4 5 Transport Sensor 5 6 Transport Sensor 6 7 Transport Sensor 7 8 Transport Sensor 8 7 Transport sensor A hook x 4 x 1 Switches Paper Path Unit Set Switch 1 R...

Страница 27: ...switch A x3 Front Door Switch 1 Left cover p 13 2 Open the front door 3 Pull out the paper path unit 4 Lower cooling fan cover p 18 Lower Cooling Fans 5 Front door switch assembly A x 2 x 2 x 1 Senso...

Страница 28: ...6 Front door switch bracket cover A x 2 x 1 7 Front door switch bracket B 1 Replacement and Adjustment 26 1...

Страница 29: ...e before starting the following procedure Do not pull out the buffer pass unit drawer until this unit has been docked to the mainframe Otherwise the buffer pass unit can fall down Controller Board Con...

Страница 30: ...Controller Board 1 Rear cover p 11 2 Controller board x 11 x 2 hook A x 4 PSU Removing the PSU 1 Rear cover p 11 1 Replacement and Adjustment 28 1...

Страница 31: ...PSU bracket x 4 x 6 x 2 Reinstalling the PSU Make sure that the power connectors should be connected correctly Upper A White or blue connector Lower B Black or brown connector Electronic Components 29...

Страница 32: ...lacement devices not designed for use with the machine could lead to a fire and personal injuries Fuse Rating 115 V 210 to 230V FU1 15A 125Vac 8A 250125Vac FU2 8A 125125Vac T4A L 250125Vac SRB 1 Rear...

Страница 33: ...2 Interface cable A Electronic Components 31 1...

Страница 34: ...1 Replacement and Adjustment 32 1...

Страница 35: ...2 Details Overview Components Layout 33 2...

Страница 36: ...ight 6 Transport sensor 2 7 Transport sensor 3 8 Transport sensor 4 9 Lower cooling fans 10 Front door switch 11 Transport sensor 5 12 Transport sensor 6 13 Lower exhaust fans 14 Transport sensor 7 15...

Страница 37: ...2 Timing belt right side 3 Drive motor right 4 Drive motor left 5 Timing belt left side 6 Paper transport left knob Overview 35 2...

Страница 38: ...rs C at the right paper path area and feeds a sheet of paper to the left paper path area The drive motor left D turns on 1 05 seconds after the drive motor right has turned on and then drives six tran...

Страница 39: ...air around the upper area is expelled to the outside by the upper exhaust fans A Also the upper cooling fans C draw air in the buffer pass unit from the outside and then move air F to the center area...

Страница 40: ...2 Details 38 2...

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