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105

Because of this mechanism, the life of the transfer belt is longer (it is not necessary
for the transfer belt to touch the color PCUs when the machine makes a black and
white print).

However, if the customer selects "Off" with the "ACS" setting, the four OPC
drums always touch the image transfer belt.

Содержание M199

Страница 1: ...es and the previous PE MF3 PE P2 series are also explained Revision History Version1 2 Revised 9th Apr 2014 Slide 12 Updated Monthly Average Print Volume MF4a 0 7K prints MF4c 0 8K prints P4a 0 4K prints P4c 0 5K prints Version1 1 Revised 17th Feb 2014 Slide 10 Long High Yield AIO will be available for NA EU AP CN models ...

Страница 2: ...2 This section provides an overview of the machine and the options that can be installed ...

Страница 3: ...3 Pe MF3a was 16 ppm Pe MF3a P2a were GDI models Memory specs are changed from PE MF3 P2 Built in Wireless LAN is a new feature It was not available in previous models ...

Страница 4: ...4 No additional notes ...

Страница 5: ...5 Duplex can be used for printing and copying In some earlier models in this series duplex could not be used for copying ...

Страница 6: ...6 No additional notes ...

Страница 7: ...7 No additional notes ...

Страница 8: ...8 No additional notes ...

Страница 9: ...9 No additional notes ...

Страница 10: ...10 Based on ISO 19798 Revised 17th Feb 2014 Long High Yield AIO will be available for NA EU AP CN models ...

Страница 11: ...e that is used for previous models in this series Waste toner tank yield measurement based on 5 3P J 50 color ratio Color ratio 50 means that half the jobs are black and white and half are color Compatible with Pe P1 Pe MF1 Pe MF2 Pe P2 and Pe MF3 ...

Страница 12: ... MF3 P2 series Revised 9th Apr 2014 Updated version MF4a 0 7K prints MF4c 0 8K prints P4a 0 4K prints P4c 0 5K prints Previous version Monthly Average Print Volume MF4a P4a 0 65K prints MF4c 1 1K prints P4c 0 8K prints ...

Страница 13: ...13 This section provides an overview of the main specifications and explains improvements over the previous models in the PE series ...

Страница 14: ...14 No additional notes ...

Страница 15: ...hy is 1st copy time so much slower than the 1st print time Scanner initialization and movement to the start position takes more time Duplex printing cannot be done for thick paper more than 90 g m2 Printing on OHP transparencies is not possible ...

Страница 16: ...16 PDL for PE MF3a DDST GDI ...

Страница 17: ...17 These specs are the same as PE P2 except where mentioned ...

Страница 18: ...18 PDL for PE P2a DDST GDI ...

Страница 19: ...19 No additional notes ...

Страница 20: ...20 No additional notes ...

Страница 21: ...21 If the machine power is kept on the fusing unit will idle every 24 hours to prevent damage to the hot roller But if the machine is turned off with pressure still applied the hot roller could deform ...

Страница 22: ...22 No additional notes ...

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Страница 24: ...24 No additional notes ...

Страница 25: ...25 Service Manual 5 System Maintenance Reference Firmware Updating ...

Страница 26: ...26 No additional notes ...

Страница 27: ...27 No additional notes ...

Страница 28: ...28 No additional notes ...

Страница 29: ...29 Service Manual Preventive Maintenance ...

Страница 30: ...30 PE MF4c P4c has an expected life of 180k ...

Страница 31: ...31 The expected yield of these parts is 90k ...

Страница 32: ...32 No additional notes ...

Страница 33: ...33 Service Manual Appendix 5 Machine Swap ...

Страница 34: ...34 No additional notes ...

Страница 35: ...35 No additional notes ...

Страница 36: ...e The fence can be adjusted at the A4 Letter or Legal size position 5 Standard Tray Delivered sheets are stacked here with the print side down 6 Standard Tray Extension Use this to support sheets that come out curled after they are printed Flip open the extension by pushing down on the end that is toward the rear of the machine 7 Top Cover Open Lever Open here to replace the print cartridges 8 Fro...

Страница 37: ...or connecting the machine to the network using a network interface cable 4 USB Host Interface Use a USB cable to connect the digital camera to the machine You can print images directly from a digital camera without having to connect to a computer 5 USB Port For connecting the machine to a computer using a USB cable 6 Power Socket For connecting the power cord to the machine 7 Rear Cover Remove thi...

Страница 38: ...ks of originals here They will feed in automatically This tray can hold up to 35 sheets of plain paper 8 Extender for the ADF Tray Extend these when placing paper longer than A4 in the input tray for ADF 9 Cover for the Exposure Glass Open this cover to place originals on the exposure glass 10 Exposure Glass Place originals here sheet by sheet 11 Standard Tray Top Cover Printed paper is delivered ...

Страница 39: ...net Port For connecting the machine to the network using a network interface cable 5 USB Port For connecting the machine to a computer using a USB cable 6 External Telephone Connector For connecting an external telephone 7 Rear Cover Remove this cover when loading paper longer than A4 in Tray 1 8 Power Socket For connecting the power cord to the machine 9 Button for Sliding the ADF Press to slide ...

Страница 40: ...40 No additional notes ...

Страница 41: ...41 No additional notes ...

Страница 42: ...o be replaced or new ones need to be prepared 2 Fusing Unit Lever Lower both the left and right levers when you print on an envelope 3 Fusing Unit Fuses toner to the paper You might have to move this unit to check for or remove jammed paper 4 Waste Toner Bottle Collects toner that is wasted during printing 5 Transfer Unit You need to remove this when you replace the waste toner bottle ...

Страница 43: ...43 Operating Instructions 1 Getting Started See the operation manual for details ...

Страница 44: ... Started See the operation manual for details Note the following 1 Stop Start key Press this key to stop receiving incoming data from the computer 2 Job Reset key Press this key to cancel a job that is currently being printed or received ...

Страница 45: ...e AIO AIO means All in one 3 Development Roller AIO 4 Paper Exit 5 Fusing Unit 6 Fusing Lamp 7 Duplex Path 8 Transfer Roller 9 Registration Roller 10 By pass 11 Paper Feed Roller 12 ITB Image Transfer Belt Unit 13 OPC AIO 14 Tray 1 15 EGB Controller ...

Страница 46: ...46 No additional notes ...

Страница 47: ...47 1 Paper path from tray 1 2 Duplex path 3 By pass tray 4 Paper path from tray 2 optional ...

Страница 48: ...48 1 Color AIO Motor 2 Black AIO Motor 3 Duplex Motor 4 Transport Fusing Motor 5 Registration Clutch 6 Paper Feed Clutch 7 Agitator Motor 8 ITB Image Transfer Belt Contact Motor ...

Страница 49: ...49 1 Color AIO Motor 2 Black AIO Motor 3 Duplex Motor 4 Transport Fusing Motor 5 Registration Clutch 6 Paper Feed Clutch 7 Agitator Motor 8 ITB Image Transfer Belt Contact Motor ...

Страница 50: ...50 This machine uses four AIOs and four laser beams for color printing Each AIO contains a drum charge roller cleaning brush blade development roller and mixing auger ...

Страница 51: ...51 The charge that is applied to the image transfer roller pulls the toner from the drum to the transfer belt Four toner images are put on the paper at the same time ...

Страница 52: ...e transfer belt to the paper when the paper is fed between the image transfer belt and transfer roller After transfer the paper separates from the image transfer belt because of a discharge plate immediately after the transfer roller ...

Страница 53: ...on the transfer belt The TM sensor output is used for process control and for automatic line position adjustment skew and color registration adjustments for the latent image MUSIC This is the internal process used by the machine to automatically correct for color registration errors to make sure that the colors are deposited in the exact positions on the transfer belt ...

Страница 54: ... of the squares is 10 mm x 17 mm and is a solid color square To make the squares the machine changes the development bias and charge roller voltage The difference between development bias and charge roller voltage is always the same The center TM sensor detects the densities of the 7 solid color squares for each color The machine calculates an appropriate development bias from this data This proce...

Страница 55: ...right of the ITB This process takes about 22 seconds to be completed 54 ...

Страница 56: ...it detection after transfer unit life counter is reset with SP mode 3 No environment change Toner amount control and MUSIC start automatically when the front or top cover is closed if conditions other than described above occur 4 Ready status Toner amount control and MUSIC start automatically when the machine stays in the ready condition and the environment has changed 5 Before a job MUSIC starts ...

Страница 57: ...nt control and MUSIC start automatically after a job when the machine gets a request to execute the toner amount control and MUSIC MUSIC starts automatically after a job when the machine gets a request to execute MUSIC 55 ...

Страница 58: ...56 MUSIC Mirror Unit for Skew and Interval Correction MUSIC is also called Automatic Line Position Adjustment ...

Страница 59: ...57 The EGB boards for the P4 and MF4 are identical The controllers for the P4 and MF4 are not identical but use many common parts ...

Страница 60: ...58 Service Manual Replacement and Adjustment Electrical Components EGB Engine Board ...

Страница 61: ... machine will issue SC559 and stop working if three consecutive paper jams occur in the fusing unit Then the technician must visit the machine and reset the SC code and check the fusing unit If a sheet of paper feeds correctly the counter is cleared the SC only appears if there are three consecutive jams on three successive sheets 2nd Transfer Front Back Normally all settings are 0 You may need to...

Страница 62: ...60 Service Manual Appendix 3 Troubleshooting Guide Service Call Conditions There is no SOM Smart Organizing Monitor in this series ...

Страница 63: ...61 Service Manual Troubleshooting Image Problems ...

Страница 64: ...62 These mechanisms are the same as in the RM MF1 series The previous models in this series used a CCD scanner ...

Страница 65: ...63 No additional notes ...

Страница 66: ...64 No additional notes ...

Страница 67: ...65 No additional notes ...

Страница 68: ...66 No additional notes ...

Страница 69: ...67 This is the same as the PE MF3 P2 ...

Страница 70: ...ide by the polygon mirrors The laser beam from the LD unit K Y is directed to the Fθ lens at front side by the polygon mirrors Laser exposure for magenta and cyan starts from the left side of the drum but for yellow and black it starts from the right side of the drum This is because the units for magenta and cyan are on the other side of the polygon mirror from the units for yellow and black The m...

Страница 71: ...69 No additional notes ...

Страница 72: ...70 No additional notes ...

Страница 73: ...71 MUSIC is done at the times explained in the process control section of the course ...

Страница 74: ...72 No additional notes ...

Страница 75: ...73 No additional notes ...

Страница 76: ...74 No additional notes ...

Страница 77: ...75 No additional notes ...

Страница 78: ...76 No additional notes ...

Страница 79: ...77 Steps 3 to 7 are a repeat of slide 1 of this procedure except that we use the numbers from the excel file and not from the printed sheet that comes with the unit ...

Страница 80: ...78 No additional notes ...

Страница 81: ...79 The mechanism is the same as the PE MF3 P2 ...

Страница 82: ...ts of the waste toner tank print cartridge development unit and PCU This gives the user easy replacement procedures and helps to make the engine module more compact The waste toner bottle is smaller than other full color printers because the waste toner from the OPC is collected in the waste toner tank of each AIO ...

Страница 83: ...81 Difference from previous model There is only one cleaning blade for the charge roller in this new model ...

Страница 84: ...82 The color AIO motor drives the central gear as shown in the diagram below ...

Страница 85: ...f the machine applies a dc and ac voltage at a constant current to the roller The ac voltage helps to make sure that the charge given to the drum is as constant as possible The machine automatically controls the charge roller voltage when process control is done ...

Страница 86: ...84 Difference from previous model There is only one cleaning blade for the charge roller in this new model We will see the toner transport belt on the next slide ...

Страница 87: ...85 See the next slide for more about the waste toner tank There is another toner collection mechanism for the image transfer unit and a separate collection bottle This is explained in another section ...

Страница 88: ...86 No additional notes ...

Страница 89: ...87 This mixing mechanism prevents toner hardening and uneven image density in the outputs ...

Страница 90: ...88 This machine uses mono component toner with no carrier so a TD sensor is not necessary ...

Страница 91: ...89 This system is used instead of a quenching lamp ...

Страница 92: ...f you change from the default 200 sheets the near end detection point is moved earlier in the case of 300 sheets or later in the case of 100 sheets How to change the 200 sheet limit to 100 or 300 User tools System settings Notify Toner Almost empty Sooner 100 Normal 200 Later 300 ...

Страница 93: ...91 No additional notes ...

Страница 94: ...92 This is the same as the PE MF3 P2 ...

Страница 95: ...e a tray set sensor This machine also does not have automatic paper size detection The machine determines the paper size from the on off timing of the registration sensor If the paper type which is selected at the PC does not match the paper size measured by the registration sensor the machine issues a paper jam alert and stops the motors ...

Страница 96: ...94 The clutches are shown in blue ...

Страница 97: ...95 No additional notes ...

Страница 98: ...96 No additional notes ...

Страница 99: ...97 A projection at the right side of the tray set location releases the lock lever when the tray is installed in the machine ...

Страница 100: ...98 No additional notes ...

Страница 101: ...99 No additional notes ...

Страница 102: ...100 No additional notes ...

Страница 103: ...101 This is the same as the PE MF3 P2 ...

Страница 104: ...102 No additional notes ...

Страница 105: ...103 No additional notes ...

Страница 106: ...104 No additional notes ...

Страница 107: ...ransfer belt is longer it is not necessary for the transfer belt to touch the color PCUs when the machine makes a black and white print However if the customer selects Off with the ACS setting the four OPC drums always touch the image transfer belt ...

Страница 108: ...106 No additional notes ...

Страница 109: ...107 We will see more about the waste toner collection mechanism for the ITB later in this section ...

Страница 110: ...108 In some places you will see the term 2nd Transfer This refers to what the paper transfer roller does transfer from belt to paper ...

Страница 111: ...109 The right end of the transfer unit is attached to the terminal from the high voltage power supply when you close the front cover ...

Страница 112: ...110 No additional notes ...

Страница 113: ...if it is full an error message appears on the LCD Waste toner overflow and bottle set sensors These are for the waste toner bottle that collects toner from the transfer belt The waste toner from the drums is collected inside each AIO ...

Страница 114: ...e belt changes during its life The machine automatically compensates for this by adjusting the transfer voltage For a new belt the life counter must be reset so that the machine applies the correct voltage for a new belt What does Transfer Belt Adjust do The new transfer belt may not be exactly the same length as the old one With this SP mode the machine calibrates the motor speed for the new belt...

Страница 115: ...113 Transfer Roller Unit Contains the paper transfer roller ...

Страница 116: ...114 No additional notes ...

Страница 117: ...115 No additional notes ...

Страница 118: ...116 This is the same as the PE MF3 P2 ...

Страница 119: ... jammed paper Pressure release levers Also known as the envelope levers in this machine because they are used to release pressure between the fusing unit rollers when envelopes are used The hot roller has a thin wall With a thin wall hot roller it can be difficult to pull paper off so stripper pawls are added the previous model did not have these A solenoid operates these pawls see the next slide ...

Страница 120: ...118 No additional notes ...

Страница 121: ...eded for envelopes which are thicker than paper Lower the lever to increase the size of the gap between the hot roller and pressure roller This prevents jams and wrinkling when printing on envelopes Raise the lever to reduce the gap for all other print jobs ...

Страница 122: ...120 No additional notes ...

Страница 123: ...121 No additional notes ...

Страница 124: ...122 No additional notes ...

Страница 125: ...123 No additional notes ...

Страница 126: ...124 No additional notes ...

Страница 127: ...125 No additional notes ...

Страница 128: ...126 Lab tests Fusing idling mode 2 should be enough in most cases Menu Machine Settings High Humidity Mode ...

Страница 129: ...127 No additional notes ...

Страница 130: ...128 No additional notes ...

Страница 131: ...129 No additional notes ...

Страница 132: ...130 No additional notes ...

Страница 133: ...131 No additional notes ...

Страница 134: ...132 This is the same as the PE MF3 P2 ...

Страница 135: ...133 1 Side Fence 2 Paper End Sensor 3 Paper Feed Roller 4 Relay Sensor 5 Relay Roller 6 Friction Pad 7 Paper Height Lever 8 Bottom Plate 9 Rear Fence ...

Страница 136: ...134 No additional notes ...

Страница 137: ...135 The next slide shows what happens after you put the tray in the machine ...

Страница 138: ...136 No additional notes ...

Страница 139: ...137 No additional notes ...

Страница 140: ...138 G849 Service Manual Replacement and Adjustment Paper Feed Unit Friction Pad ...

Страница 141: ...139 The End ...

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