Minolta CF1501 Service Manual Download Page 13

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FrameMaker Ver5.5E(PC) CF1501/CF2001 MECHANICAL/ELECTRICAL
00.12.15

CONTENTS

1. CROSS-SECTIONAL VIEW ............................................................................ M-1

2. COPY PROCESS ............................................................................................ M-2
3. DRIVE SYSTEM .............................................................................................. M-4

4. OPERATING SEQUENCE .............................................................................. M-5

5. CONTROL BLOCK DIAGRAM ........................................................................ M-7
6. LOCATIONS OF TERMINALS ........................................................................ M-8

7. IMAGE STABILIZATION SYSTEM .................................................................. M-10

7-1. AIDC Detection ........................................................................................ M-11
7-2. Image Stabilization System Control ......................................................... M-12

(1)

AIDC Sensor LED Intensity Control ................................................. M-14

(2)

Background Margin Control ............................................................. M-14

(3)

Max. Density Control ....................................................................... M-14

(4)

Correction Control ......................................................................... M-14

8. PC DRUM ........................................................................................................ M-15

8-1. PC Drum Drive Mechanism ..................................................................... M-15

8-2. Grounding of the PC Drum ...................................................................... M-15

9. PC DRUM CHARGE CORONA ....................................................................... M-16
10. IMAGE READER (IR) SECTION ..................................................................... M-17

10-1.IR Image Processing ............................................................................... M-18

10-2.CCD Sensor ............................................................................................ M-27
10-3.Exposure Components Section ............................................................... M-28

10-4.Exposure Lamp Control ........................................................................... M-29

10-5.Scanner and 2nd/3rd Mirrors Carriage Movement

Mechanism .............................................................................................. M-30

(1)

Scanner Movement Mechanism ...................................................... M-30

(2)

2nd/3rd Mirrors Carriage Movement Mechanism ............................ M-30

10-6.Scanner Motor Drive Control ................................................................... M-31

11. ORIGINAL SIZE DETECTING SECTION ........................................................ M-32

11-1.Original Size Detecting Method ............................................................... M-32
11-2.Locations of Original Size Detecting Sensors ......................................... M-33

11-3.Determining the Original Size .................................................................. M-34

11-4.Original Size Detection Timing ................................................................ M-36

12. PRINTER SECTION ........................................................................................ M-37

12-1.Printer Section Image Processing Block Diagram ................................... M-38

13. IMAGING UNIT ................................................................................................ M-42

13-1.Control of Detection of New Imaging Unit ............................................... M-43

13-2.Imaging Unit Drive Mechanism ................................................................ M-43

13-3.Sleeve/Magnet Roller .............................................................................. M-45
13-4.Doctor Blade ............................................................................................ M-45

13-5.Developing Bias and ATDC Bias ............................................................. M-46

13-6.ATDC Sensor .......................................................................................... M-47

(1)

ATDC Sensor (Y, M, C) ................................................................... M-47

(2)

ATDC Sensor (Bk) ........................................................................... M-47

13-7.Toner Replenishing Control ..................................................................... M-48
13-8.Toner Supply Port Covering/Uncovering Mechanism .............................. M-48

14. TONER HOPPER ............................................................................................ M-49

Summary of Contents for CF1501

Page 1: ...ENERAL FOR CF1501 CF2001 00 12 15 Copyright 2000 MINOLTA Co Ltd Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information MINOLTA Co Ltd 4004 7990 11 00121200 10794 CF1501 CF2001 SERVICE MANUAL GENERAL CF1501 CF2001 SERVICE MANUAL GENERAL ...

Page 2: ...assumes that components be replaced by the unit No circuit dia grams or electrical component layout drawings therefore contain any of elec trical parts included in units In text however some of these electrical components are given for the sake of explanation of mechanical operations of different units ...

Page 3: ...FrameMaker Ver5 5E PC CF1501 CF2001 GENERAL 00 12 15 GENERAL ...

Page 4: ...ION G 4 2 1 Installation Site G 4 2 2 Power Source G 4 2 3 Grounding G 4 3 PRECAUTIONS FOR USE G 5 3 1 To ensure that the copier is used in an optimum condition G 5 3 2 Operating Environment G 5 3 3 Power Requirements G 5 3 4 Note G 5 4 HANDLING OF THE CONSUMABLES G 6 5 OTHER PRECAUTIONS G 6 6 SYSTEM OPTIONS G 7 ...

Page 5: ...scanning direction Three way system Manual Bypass Table Single 1st Drawer 250 sheets plain paper 80 g m2 2nd Drawer 500 sheets plain paper 80 g m2 Tandem type indirect electrostatic recording system LED Unit exposure for each of Y M C and Bk NMT system DC comb electrode Scorotron system Ozone Filters Intermediate transfer belt system Selecting either nonwoven fabric float or ground Blade cleaning ...

Page 6: ...C 10 14 15 15 15 12 14 15 10 14 20 20 20 12 14 20 Inch 11 17 8 5 11C 8 5 11L 5 5 8 5C 5 5 8 5L 10 14 15 15 15 10 14 20 20 20 Fixed Area Mode Metric Inch Full size 1 000 1 000 Reduction 0 816 0 707 0 500 0 785 0 733 0 647 0 500 Enlargement 1 154 1 414 2 000 1 214 1 294 1 545 2 000 Variable in 0 001 increments 0 500 to 4 000 Lens Light Source Through lens f 79 mm F 5 6 Halogen frost tube lamp Exposu...

Page 7: ...nation 3 000 lux or less Levelness 1 1 75 100 or less Dimensions Mass With Rack Width 620 mm 24 1 2 inch Depth 787 mm 31 inch Height 1025 mm 40 1 4 inch Engine 2nd Drawer Width 596 mm 23 1 2 inch Depth 730 mm 28 3 4 inch Height 523 mm 20 1 2 inch Scanner Width 620 mm 24 1 2 inch Depth 707 mm 27 3 4 inch Height 152 mm 6 inch Engine 2nd Drawer 85 kg 187 1 2 lbs Scanner 26 kg 57 1 4 lbs Copier Stand ...

Page 8: ...ake sure that the capacity of the outlet is not exceeded Use a power source with little voltage fluctuation Never connect by means of a multiple socket any other appliances or machines to the outlet being used for the copier Ensure that the copier does not ride on the power cord or communications cable of other electrical equipment and that it does not become wedged into or underneath the mecha ni...

Page 9: ...opier Do not place a vase or vessel containing water on the copier Be sure to turn OFF the power switch at the end of the workday or upon power failure Use care not to drop paper clips staples or other small pieces of metal into the copier 3 2 Operating Environment The operating environmental requirements of the copier are as follows Temperature 10 to 30 C Humidity 25 to 85 Rate of temperature cha...

Page 10: ...t throw away any used consumables PC Drum starter toner etc They are to be collected Do not burn bury in the ground or throw into the water any consumables PC Drum starter toner etc Do not store consumables in a place which Is hot and humid Is subject to direct sunlight Has an open flame nearby 5 OTHER PRECAUTIONS Use the following precautions when performing service jobs for a copier that uses a ...

Page 11: ...ard 6 Paper Feed Unit PF 118 7 Large Capacity Cabinet PF 117 8 Copy Desk 9 Copy Table 10 10 Mailbin Sortor JS 1002 11 Finisher FN 107 FN 108 12 Data Terminal DT 105 USA Canada Only 13 Printer Controller Fiery Z4 14 Printer Controller Fiery X3e Illustration none 1166O191AA C4004O041AA C4004O042AA C4004O044AA 1166O190AA 4 12 C4004O040AA 8 6 7 4108U010 9 11 10 1166O007AA C4004O043AA 3 1166O014AA 1 2 ...

Page 12: ...FrameMaker Ver5 5E PC CF1501 CF2001 MECHANICAL ELECTRICAL 00 12 15 MECHANICAL ELECTRICAL ...

Page 13: ...sure Lamp Control M 29 10 5 Scanner and 2nd 3rd Mirrors Carriage Movement Mechanism M 30 1 Scanner Movement Mechanism M 30 2 2nd 3rd Mirrors Carriage Movement Mechanism M 30 10 6 Scanner Motor Drive Control M 31 11 ORIGINAL SIZE DETECTING SECTION M 32 11 1 Original Size Detecting Method M 32 11 2 Locations of Original Size Detecting Sensors M 33 11 3 Determining the Original Size M 34 11 4 Origina...

Page 14: ...1 Outline of Color Shift Detection M 69 18 4 1st Image Transfer Roller Pressure Retraction Mechanism M 70 18 5 Pressure Position Changing Mechanism M 72 18 6 Retraction Mechanism M 73 18 7 Backup Mechanism M 74 18 8 2nd Image Transfer Roller Pressure Retraction Mechanism M 75 18 9 AIDC Sensor Shutter Mechanism M 76 18 10 Paper Charge Neutralization M 77 18 11 Transfer Belt Paper Separator Fingers ...

Page 15: ...ts Detection M 93 21 8 Fusing Temperature Control M 94 22 OTHER MECHANISMS M 96 22 1 Memory Backup M 96 22 2 Flash Memory M 96 22 3 Expanded Memory M 97 22 4 Temperature Humidity Sensor M 98 22 5 Copier Interior Cooling Mechanism M 99 1 IR Section Cooling Mechanism M 99 2 Fusing Section Cooling Mechanism M 99 3 Power Supply Section Cooling Mechanism M 100 22 6 PC Drum Charge Corona Ozone Removal M...

Page 16: ... Ver5 5E PC CF1501 CF2001 MECHANICAL ELECTRICAL 00 12 15 M 1 1 CROSS SECTIONAL VIEW 1 IR Section 2 Exit Section 3 Fusing Section 4 Transfer Belt Unit 5 Imaging Unit 6 LED Drive 7 Drawers 4004M001AA 7 1 2 3 4 5 6 ...

Page 17: ...Processing The video signals C M Y and Bk output from the IR Image Processing Unit go through some corrections Following digital to analog conversion these signals are then used for the control of the intensity level of the LED 6 LED Exposure LED light illuminates the surface of the PC Drum to form an electrostatic latent image 7 Developing The toner agitated and negatively charged in the developi...

Page 18: ... the paper 12 Paper Separation The Transfer Belt Paper Separator Fingers separate the paper properly from the Trans fer Belt 13 Transfer Belt Cleaning The residual toner left on the surface of the Transfer Belt is scraped off 14 Main Erase Light from the Main Erase Lamp neutralizes any surface potential remaining on the sur face of each PC Drum 15 PC Drum Cleaning The Cleaning Blade scrapes off th...

Page 19: ...Pressure Retraction Motor M11 3 Scanner Motor M1 4 Cleaning Web Drive Motor M5 5 Fusing Pressure Retraction Motor M8 6 Fusing Drive Motor M14 7 Toner Replenishing Motor C Bk M9 8 Main Motor M13 9 Imaging Unit Motor Bk M18 10 Imaging Unit Motor C M17 11 Imaging Unit Motor M M16 12 Imaging Unit Motor Y M15 4004M521AA 1 2 3 4 5 6 7 10 11 12 8 9 ...

Page 20: ...r Fusing Roller Heater Lamp Exposure Lamp LA1 Scanner Motor M1 Main Motor M13 2nd Image Transfer Bias HV2 Fusing Drive Motor M14 Power Switch ON Half speed rotation Full speed rotation In synchronism with the timing at which Scanner Motor is energized Temperature control Fusing Pressure Retraction Motor M8 1st Image Transfer Pressure Retraction Motor M11 2nd Image Transfer Pressure Retraction Clut...

Page 21: ...Main Erase Lamps Y M C Bk PC Drum Charge Bias HV1 Exposure Lamp LA1 Scanner Motor M1 Main Motor M13 1st Drawer Paper Take Up Clutch CL1 Manual Feed Paper Take Up Clutch CL3 Synchronizing Roller Sensor PC17 Synchronizing Roller Clutch CL21 2nd Image Transfer Bias HV2 Fusing Drive Motor M14 Exit Sensor PC10 End of job Fusing Pressure Retraction Motor M8 1st Image Transfer Bias HV2 Developing Clutche...

Page 22: ... Board PWB IC DC Power Sup ply 2 PU2 CCD Sensor Board PWB A IR PRIF Board PWB D Flat Cable ExposureLamp LA1 Scanner Motor M1 Controller I F Controller PIC Board PWB PIC MSC Board PWB H MasterBoard PWB I AD 14 Finishing Option LED Units Y M C Bk LED Board PWB LK Paper Source Option Control Board PWB A Control System Line Image Bus Line IR Engine DC Power Sup ply 1 PU1 4004M567AA ...

Page 23: ... Unit PC Drum Charge Output Bk C M and Y from left to right Grid Voltage Y M C and Bk from left to right ATDC Bias Developing Bias Y M C and Bk from left to right 4004M579AA Developing Bias Y M C and Bk from left to right PC Drum Charge Output Bk C M and Y from left to right 4004M580AA Grid Voltage Y M C and Bk from left to right ATDC Bias ...

Page 24: ...12 15 M 9 LED Unit Imaging Unit Developing Bias Y M C and Bk from right to left Grid Voltage Y M C and Bk from right to left PC Drum Charge Output Y M C and Bk from right to left 4004M582AA Front PC Drum Charge Output Grid Voltage 4004M581AA Rear Developing Bias ...

Page 25: ...AIDC Sensor Temperature Humidity Sensor To stabilize toner density ATDC control Y M C Bk ATDC Sensor To stabilize image transfer Image transfer output control Temperature Humidity Sensor Developing Bias Vb AIDC Sensor Temperature Humidity Sensor ATDC Sensor Registration Control Transfer ATVC Control Grid Voltage Vg Toner Replenishing Control PC Drum PC Drum PC Drum PC Drum Y M C Bk Image Density G...

Page 26: ...ed rays illuminating the toner pattern on the Trans fer Belt 2 The photoreceiver detects the intensity of the infrared light reflected off the toner pat tern on the Transfer Belt 3 A voltage corresponding to the intensity of the reflected light is output to the PIC Board Amount of Toner Sticking Intensity of Light Reflected Output Large Low Small Small High Great 4004M532AA 1136M068AA Photoreceive...

Page 27: ...pended print cycle ID Image Density Image Density Characteristics Reversal Developing Characteristics PC Drum Light Decay Curve LED Illumination Characteristics Transfer Belt Surface Potential Image Input Data LED Light Intensity VB 1 Correction Curve 4004M065CA Sensitometry 2 Background margin control 3 Max density control 2 Registration control 4 correction control Power Switch is turned ON Left...

Page 28: ...ion sequence it continues running that partic ular print cycle until it is completed before initiating an image stabilizer sequence 2 Background margin control 3 Max density control 2 4 correction control Test pattern print During automatic adjustment Multi print cycle 2 CCD reading Another correction 1 AIDC intensity control 2 Background margin control 4 correction control 1 AIDC intensity contro...

Page 29: ...PC Drum sensi tivity and developing characteristics and changes with time and in environment Control Provided 1 Adjusts the intensity current value of the LED on the surface of the Transfer Belt on which no toner sticks Control Provided 1 Determines the PC Drum Charge Corona grid voltage based on the information pro vided by various sensors system speed and the target surface potential Target surf...

Page 30: ...that transmit drive through friction to decelerate its speed which means that it produces no noise or uneven rotation 8 2 Grounding of the PC Drum The potential on the surface of the PC Drum exposed to the LED is grounded to the frame Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M15 Y PJ12I 4A L H 15 B M16 M PJ12I 8A L H 17 B M17 C PJ12I 4B L H 16 C M18 Bk PJ12I 8B L H 17 D ...

Page 31: ...sures that a charge is concentrated on the grid mesh thus reducing the amount of ozone produced The grid voltage applied to the grid mesh is generated by the Constant Voltage Circuit in High Voltage Unit 1 The constant voltage of High Voltage Unit 1 is determined through image stabilization control Control Signal ON OFF WIRING DIAGRAM PC Drum Charger PJ9I 6 Y L H 22 C PJ9I 8 M L H PJ9I 10 C L H PJ...

Page 32: ...5 Original Size Detecting Sensor FD2 PC31 6 Scanner Motor Drive Board PWB IC 7 DC Power Supply 2 PU2 8 Lens 9 CCD Sensor Board PWB A 10 IR Cooling Fan Motor 2 M4 11 Scanner Home Sensor PC24 12 Size Reset Switch S10 13 Image Processing Board PWB C 14 Scanner 15 2nd 3rd Mirror 16 Original Size Detecting Sensor CD1 PC32 17 IR Cooling Fan Motor 1 M3 18 IR PRIF Board PWB D 19 Cable 1 2 3 4 5 6 7 8 9 10...

Page 33: ...to Line Variation Correction 5 Zoom Movement Processing 6 Histogram Making ACS AE Processing 7 Image Data Editing 8 AE Processing 10 Color Correction Reflection Density Conversion Masking UCR BP 9 Image Area Discrimination 11 Miscellaneous Processing Improved Reproduction of Black Characters Edge Emphasis edge expansion Smoothing Color Balance Gamma γ Correction To Printer PIC Board ...

Page 34: ...ing sheet and the CCD Sensor reads the light reflected off this sheet B This reading is compared with the shading sheet reading reference value white refer ence value max value of image data to determine the correction value for each pixel C When the image is scanned each pixel data is corrected with the above correction value To prevent adverse effects on the image due to dust on the white plate ...

Page 35: ...as required Zoom The synchronous timing of the input data read and output data read is varied to decrease reduction or increase enlargement the number of data readings thereby reducing or enlarging the image in the main scanning direction The image is reduced or enlarged in the sub scanning direction by varying the speed at which the Scanner moves Image Monitor The input data read stored in the me...

Page 36: ...o determine whether each block on the original excluding the edges is colored or monochrome Based on the results of the color monochrome evaluation made of each block the copier determines whether the entire original is colored or monochrome ACS or Auto Color Selection 7 Image Data Editing R G and B data are converted to V value Cr and Cb color component for color adjustments saturation lightness ...

Page 37: ... determine if there is any gradation level extracted the sum of fre quency of 8 gradation levels of which accounts for a given level or more of the sum of frequency of the entire original Processing is done in the order of the gradation level of higher lightness If there is the AE level local minimum value is determined according to the lightness frequency at that local maximum value If not the AE...

Page 38: ...area discrimination Original Mode Original Area Smoothing Edge Emphasis Text Photo mode Dot area Smoothing processing Black edge area Edge emphasis Color edge area Edge emphasis Continuous gradation area Smoothing processing Photo Image mode Edge area Weak edge emphasis Continuous gradation area Printed Image mode Dot area Smoothing processing Text mode Dot area Black edge area BP amount 100 print...

Page 39: ...btained through the CCD Sensor is converted to the complementary color data for developing Example White The R G and B data are therefore input to the LOG table shown below to convert to the density data DR DG and DB 1144M178CA 255 0 255 0 Reflection Factor Becoming Black R G B C M Y 1179M051CA DR DG DB 255 0 255 0 255 0 225 DR DG DB 225 RGB 0 Example White Reflection Factor LOG Table Becoming Whi...

Page 40: ... reflection characteristics of the toner simply placing C M and Y toner one on top of the other does not make a pure black If C M and Y toner are put together to create a color close to black it results in an increased amount of toner sticking meaning that more toner scatters and is consumed 11 Miscellaneous Processing Improved reproduction of black characters The Bk data for black characters is r...

Page 41: ...t and Color Balance Density adjustment is made by changing the angle of the γ curve that represents the rela tion between the input and output of the image data Color balance is adjusted by changing the angle of the γ curve for each color Gamma γ Correction The type of γ curve is changed to make the image brighter or darker or sharper or softer 4004M524AA 1144G05MBA Noise 1179M052CB 255 128 0 128 ...

Page 42: ...the Original Glass is predetermined through the lens and mirrors The deviation produced in the scanning position of each pixel is therefore corrected by 4 Line to Line Variation Correction of the IR image processing The CCD sensor offers a resolution of 600 dpi on the surface of the Original Glass Each of the R G and B chips has 7 500 effective pixels R G B 9 325 m 9 325 m Sub Scanning Direction S...

Page 43: ...flectors The Main and Auxiliary Reflectors are laid out to correct any deviation in condensing of the Exposure Lamp light that may result from Exposure Lamp positioned eccentrically or improperly The illumination distribution in the sub scanning direction on the surface of the original is made flat over a given width with reference to the G chip Auxiliary Reflector 2nd Mirror 3rd Mirror 1st Mirror...

Page 44: ...eet A B C D Scanner Motor M1 Exposure Lamp LA1 Scan Stop Return ON OFF E F 4004M067CA A Automatically adjusts the clamp value of the CCD Sensor output voltage for black level B Automatically adjusts the intensity of the Exposure Lamp C Automatically adjusts the gain value of the CCD Sensor output voltage for R G and B D Readjusts the clamp value of the CCD Sensor output voltage for black level E R...

Page 45: ... the full size mode It is driven by the Scanner Motor The Scanner Home Sensor detects the Scanner at its home position 2 2nd 3rd Mirrors Carriage Movement Mechanism The 2nd 3rd Mirrors Carriage moves at a speed half that of the Scanner to keep constant the optical path length between the original and CCD 1 Scanner Drive Cable 2 Scanner 3 Scanner Motor M1 4 Scanner Home Sensor PC24 5 CCD 6 2nd 3rd ...

Page 46: ...ing the cycle of the motor drive pulse that is timed with the reference clock The distance over which the Scanner travels is controlled by the number of motor drive pulses which is determined according to the paper size and zoom ratio High Speed Low Speed Cycle Controlled Part Control Signal Deenergized Energized WIRING DIAGRAM M1 PWB C PJ2C 1 7A Pulse Output 22 H ...

Page 47: ...is reflected off the surface of the original When the photoreceiver of the sensor receives light of a given intensity level or higher the copier then determines that there is an original on the Original Glass 1 Original Cover Detecting Sensor PC25 2 Original Size Detecting Sensor FD1 PC30 3 Original Size Detecting Sensor FD2 PC31 4 Original Size Detecting Sensor FD3 PC33 5 Size Reset Switch SW10 6...

Page 48: ...ional Original Size Detecting Sensors will increase the number of original sizes to be detected FD1 FD2 FD3 CD1 CD2 Metric Area Standard Standard Optional Standard Optional Inch Area Optional Standard Optional Standard Optional 11 X 8 5 8 5 X 11 8 5 X 14 11 X 17 8 5 X 14 11 X 17 11 X 8 5 A5L A4L B4L B5C A3L A4C A4C A5L A4L B4L A3L B5L B5L B5C B C D E 4004M586AB FD1 FD2 FD3 CD1 CD2 Front Rear 1 2 3...

Page 49: ...d by each of the Origi nal Size Detecting Sensors Even if an original is of an irregular size the board rounds the size to the nearest stan dard size Metric Area When optional sensors are mounted Original Size FD1 FD2 CD1 1 2 3 6 7 A3L B4L A4L A4C 8 5 11 B5C A5L Original present Original not present Original Size FD1 FD2 FD3 optional CD1 CD2 optional 1 2 3 4 5 6 7 8 A3L B4L A4L A4C 8 5 11 B5C A5L ...

Page 50: ...onal sensors are mounted Original Size FD2 CD1 2 3 6 7 11 17 8 5 14 8 5 11 11 8 5 B4L B5C Original present Original not present Original Size FD1 optional FD2 FD3 optional CD1 CD2 optional 1 2 3 4 5 6 7 8 11 17 8 5 14 8 5 11 11 8 5 B4L B5C 8 5 5 5 A3L A4L A4C FLS Original present Original not present ...

Page 51: ...ize validation When the Original Cover is lowered to an angle of less than 15 Original Cover Detecting Sensor is blocked or when the Start key is pressed with the Original Cover Detecting Sensor unblocked 3 Original size reset When the Original Cover Detecting Sensor is unblocked as the Original Cover is raised Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC25 PWB C PJ2C 2B L H ...

Page 52: ...12 15 M 37 12 PRINTER SECTION The printer section makes necessary corrections of the image data output from the IR The light from the LED illuminates the surface of the PC Drum to form an electrostatic latent image 4004M006AA PC Drum LED Array Y M C Bk 4004M001AA ...

Page 53: ...utput Buffer Memory 7 600 dpi Color Shift Skew Correction 8 CD Position Correction 9 GBTC Expansion 10 1 800 dpi Color Shift Skew Correction 11 Area Discrimination FEET 12 Interpolation 13 Correction 14 Screening 15 High Speed LED Drive 16 Intensity Correction LED Assy C LED Assy BK LED Assy M LED Assy Y 5 Frame Memory Standard memory 48MB Expanded memory 256MB 15 cpm copier option 20 cpm copier s...

Page 54: ...lies and PC Drums 8 CD Position Correction Corrects any deviation in the print start position in the main scanning direction that occurs when each of the Y M C and Bk LED Units illuminates the surface of the corre sponding PC Drum The correction is made through correcting deviation in the installed position of the LED Unit It is made in SRAM Static RAM used in color shift skew correction 9 GBTC Ex...

Page 55: ...dges of text and line figure and according to the results of the area discrimination selects the appropriate gradation reproduction method It ensures smooth reproduction of edges Original Image Type Specific Processing Performed Text Photo FEET Screen optimized for gradation or screen optimized for res olution Photo Image Screen optimized for gradation or screen optimized for resolution Printed Im...

Page 56: ...nted gradations have lin ear characteristics since the image density of the input image data is not directly propor tional to that of the printed image 14 Screening Creates density distribution of a predetermined pattern to enable outstanding gradation reproduction 15 High Speed LED Drive Rearranges image data so that LEDs can then be illuminated and transfers the corrected image data 16 Intensity...

Page 57: ...IT The Imaging Unit carries out development process by allowing toner to stick to the elec trostatic latent image formed on the surface of the PC Drum Imaging Unit Motor Y M C Bk M15 16 17 18 Developing Clutch Y M C Bk CL11 12 13 14 PC Drum 4004M007AB Sleeve Magnet Roller EEPROM Board 2 ...

Page 58: ...g Imaging Unit Motor New Imaging Unit Detection Timing Power Switch is turned ON Front Door is closed 4004M070CA Transfer Roller retraction Transfer Belt cleaning ATVC adjustment Image stabilization Operations when no new Imaging Units are detected Transfer Roller retraction Transfer Belt cleaning ATVC adjustment Operations when a new Imaging Unit is detected ATDC adjustment Image stabilization Im...

Page 59: ... the magnetic pole positioning of the Sleeve Magnet Roller the developer is conveyed onto the lower part of the Sleeve Magnet Roller 7 The Doctor Blade then controls the height of the developer brush 8 Toner sticks to the electrostatic latent image on the surface of the PC Drum 9 The developer that is left on the Sleeve is returned to the upper conveying coil by the magnetic pole positioning of th...

Page 60: ...opment The magnetic force of the magnet roller is the strongest at the point of development so that the developer brush stands straight up to deliver the greatest amount of toner to the PC Drum 13 4 Doctor Blade The Doctor Blade controls the height of the developer brush ensuring that the developer on the Sleeve Magnet Roller levels out 4004M008AB Developer Brush Magnet Roller Sleeve Roller Magnet...

Page 61: ...ment ordinary DC Vb is applied The DC Vb value is set through max density control of the image stabilization sys tem The Vb output voltage is supplied by High Voltage Unit 3 2 ATDC Bias A DC ATDC bias is applied to the Y M and C ATDC Sensor windows to prevent false detection by the sensors The ATDC bias voltage is supplied from High Voltage Unit 3 Control Signal DC AC DC WIRING DIAGRAM Vb DC AC Y ...

Page 62: ...ng to it There is a magnetic brush installed to ensure that the conductive glass surface is not damaged The brush lets developer brush stand up and whisks toner off the surface of the ATDC Sensor window 2 ATDC Sensor Bk A magnetic sensor is used for the Bk ATDC Sensor as black toner absorbs light The mylar attached to the conveying coil scrapes toner off the surface of the ATDC Sen sor window ATDC...

Page 63: ...ugh which toner is replenished is fixed since toner replenishing is possible only while the developer is being agitated If the copier fails to complete replenishing toner before the fixed maximum length of time elapses it stores the excess time in memory and adds it to the next toner replenishing time 13 8 Toner Supply Port Covering Uncovering Mechanism This mechanism prevents toner from being spi...

Page 64: ...HANICAL ELECTRICAL 00 12 15 M 49 14 TONER HOPPER 4004M016AA 4004M017AA Storage Section Agitating Section Empty Detector Metering Section Toner Replenishing Motor Y M M10 Toner Replenishing Motor C Bk M9 Toner Empty Switch SW5 to SW8 Y M C Bk ...

Page 65: ...f toner i e one motor for Y and M and the other motor for C and Bk Depending on whether the motor turns forward or backward either one of the two drive gears of the two Hoppers turns because of the functioning of the one way clutch Toner Replenishing Motor C Bk M9 Toner Replenishing Motor Y M M10 One Way Clutch 4004M018AA 4004M585AA When Bk Toner is Supplied 4004M584AA One way clutch turns When C ...

Page 66: ...ner Supply Port controls the amount of toner supplied The amount is controlled by varying the period of time through which the Metering Roller turns 3 Toner is supplied from the Toner Hopper to the Imaging Unit Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M9 PJ5I 1 4B Pulse Output 10 A M10 PJ5I 7 10A Pulse Output 12 B Metering Roller 4004M019AA 4004M534AA Agitating Coils ...

Page 67: ...s after it has been actuated twice consecutively A toner empty condition results if the Toner Empty Switch is actuated a predetermined number of times after the toner near empty warning message has appeared Controlled Part Control Signal ON OFF WIRING DIAGRAM SW5 Bk PJ5I 5B L H 10 B SW6 C PJ5I 5A L H 12 B SW7 M PJ5I 3A L H 12 A SW8 Y PJ5I 1A L H 12 A Toner Empty Magnet Conveying Coil 4004M020AB 40...

Page 68: ...on Detecting Mechanism When the drawer is slid into the copier the Light Blocking Plate blocks the Set Sensor The copier then determines that the drawer has been slid in position Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC3 PJ17I 9A H L 8 C 4004M024AA Paper Size Detecting Board PWB I1 Paper Take Up Roll Trailing Edge Stop Edge Guide 4004M025AA 1st Drawer Set Sensor PC3 Light...

Page 69: ...number of sheets of paper still available for use becomes a predetermined level the copier determines that it is a paper near empty condition Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC6 PJ3I 8A H L 8 B Predetermined No of Sheets Paper near empty 50 30 Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC4 PJ17I 6A H L 8 B 4004M026AA 1st Drawer Paper Empty Senso...

Page 70: ... LED Display The paper supply level is indicated by a lit blinking or OFF LED as detailed below Details are as follows Item LED When drawer is slid out ON Paper empty ON Paper near empty Blinking Normal supply level OFF Thick 1 2 Plain OHP Plain Thick 1 2 LED Paper Type Detecting Dial 4004M558AA ...

Page 71: ...Detecting Switch PWB I1 CD Paper Size Detecting Sensor PC5 Paper Size 1 2 3 4 ON ON H A6L ON ON L A5C ON ON H B6L ON ON L B5C ON H A5L ON L A4C ON ON ON H B5L ON L A4L ON L FLS L 203 330 3 ON ON ON ON L A3L ON ON ON L A3 Wide Paper Size Detecting Switch PWB I1 CD Paper Size Detecting Sensor PC5 Paper Size 1 2 3 4 ON ON L Invoice C 8 5 5 5 ON ON L Exe C 10 5 7 25 ON L Letter C 11 8 5 ON H Invoice L...

Page 72: ...t Control Signal ON OFF WIRING DIAGRAM PWB I1 1 PJ17I 4B L H 8 D PWB I1 2 PJ17I 5B L H PWB I1 3 PJ17I 6B L H PWB I1 4 PJ17I 7B L H Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC5 PJ3I 11A H L 8 B 4004M028AA 1 2 3 4 Trailing Edge Stop Paper Size Detecting Board PWB I1 ...

Page 73: ...through the copier at a system speed corresponding to the paper type Paper Type Setting Dial Paper Type System Speed Plain Plain paper 90 mm s Thick 1 Thick paper 1 60 mm s OHP OHP transparencies 60 mm s Plain Plain paper 2 sided 90 mm s Thick1 Thick paper 1 2 sided 60 mm s 2 2 Thick 1 2 Plain OHP Plain Thick 1 2 Paper Type Detection Board PWB S Paper Type Setting Dial 4004M029AA ...

Page 74: ...Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M13 PJ13I 8A L H 36 A CL1 PJ15I 11A L H 8 A 4004M031AA 4004M601AA Main Motor M13 1st Drawer Paper Take Up Clutch CL1 Paper Separator Roll Main Motor M13 1st Drawer Paper Take Up Clutch CL1 Synchronizing Roller Clutch CL21 Synchronizing Roller Sensor PC17 ON OFF H L ON OFF ON OFF Start key ON Synchronizing Roller Start signal Synch...

Page 75: ...f the second sheet of paper reaches the Double Feed Sensor after the first one has been taken up the copier delays the paper take up sequence to provide an adequate interval between the sheets of paper Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC13 PJ5I 8B H L 8 C 4004M545AA Paper Synchronizing Roller 1st Drawer Double Feed Sensor PC13 Paper Take Up Roll ...

Page 76: ...ignal Energized Deenergized WIRING DIAGRAM CL3 PJ15I 9A L H 2 A 4004M030AA Manual Feed Paper Take Up Clutch CL3 Main Motor M13 Manual Bypass Paper Take Up Roll Manual Feed Paper Take Up Sensor PC15 Main Motor M13 Manual Feed Paper Take Up Clutch CL3 Synchronizing Roller Clutch CL21 Synchronizing Roller Sensor PC17 ON OFF H L ON OFF ON OFF Synchronizing Roller Start signal H L Paper loaded Manual F...

Page 77: ...hanism The Manual Feed Paper Take Up Sensor detects a sheet of paper as it is placed on the Manual Bypass Table The size and type of paper for manual bypass is set on the control panel Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC15 PJ15I 7B H L 2 B 1167M086AA Manual Feed Paper Take Up Sensor PC15 ...

Page 78: ...tion 2nd image transfer with the paper transport paper 17 1 Paper Dust Remover Through static attraction paper dust is attracted onto the surface of the driven Synchro nizing Roller and the Paper Dust Remover removes paper dust from the roller 1171M029AA Synchronizing Roller 1171M026AB Synchronizing Roller Synchronizing Roller Sensor PC17 Paper Dust Remover ...

Page 79: ...gized Deenergized WIRING DIAGRAM CL21 PJ14I 14A L H 2 H Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC17 PJ14I 9B H L 2 I 4004M032AA Main Motor M13 Synchronizing Roller Clutch CL21 Synchronizing Rollers Main Motor M13 Synchronizing Roller Clutch CL21 Synchronizing Roller Sensor PC17 ON OFF H L ON OFF Start key ON Synchronizing Roller Start signal Synchronizing Roller Start sign...

Page 80: ...the Synchroniz ing Rollers Position Selected with Paper Type Setting Dial Results of Detection by OHP Detecting Sensor Operation OHP Other than OHP Copier determines there is a mis match of paper type stopping on the spot A paper type mismatch display is given on the control panel Other than OHP OHP Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC19 PJ14I 2B L H 2 H 4004M542AA OH...

Page 81: ...the order of Y M C and Bk 2 2nd Image Transfer In the 2nd image transfer stage the image transfer current from High Voltage Unit 2 is applied to the 2nd Image Transfer Roller to transfer the images in four colors of toner which have been transferred to the surface of the Transfer Belt one on top of another all at once to the paper 1 Tension Roller 2 Transfer Belt 3 Drive Roller 4 2nd Image Transfe...

Page 82: ...ain Motor The speed at which the Transfer Belt turns is selected according to the type of paper as detailed below Paper Type During Copying Plain paper 90 mm s Thick paper 1 thick paper 2 OHP 60 mm s Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M13 PJ13I 8A L H 36 A 4004M033AA Main Motor M13 2nd Image Transfer Roller Drive Roller ...

Page 83: ...nt on the patterns 1 A light emitting diode emits infrared rays illuminating the color shift pattern on the Transfer Belt 2 The photoreceiver detects the intensity of the infrared light reflected off the color shift pattern on the Transfer Belt 3 A voltage corresponding to the intensity of the reflected light is output to the PIC Board 4004M532AA 1136M068AA Photoreceiver LED Power Source GND Outpu...

Page 84: ...matically detected and corrected both in the main scanning and sub scanning directions 1 Outline of Color Shift Detection Patterns are produced in the main scanning and sub scanning directions on the Transfer Belt The Registration Sensors read the patterns to allow color shift corrections to be made as necessary 4004M575AA C M Y Bk Tandem Engine LED Y LED M LED C LED Bk PC Drum Y Transfer Belt 2nd...

Page 85: ...rom a motor dedicated to the purpose The retracted position is detected by the 1st Image Transfer Retraction Position Sensor The pressure position is detected by counting a given number of motor pulses of the 1st Image Transfer Pressure Retraction Motor It is the position at which the Transfer Belt contacts the PC Drum 4004M034AB 1st Image Transfer Pressure Retraction Motor M11 1st Image Transfer ...

Page 86: ...d Part Control Signal Energized Deenergized WIRING DIAGRAM M11 PJ16I 4 7B Pulse Output 6 D Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC28 PJ17I 1A L H 6 C 1st Image Transfer Pressure Retraction Motor M11 Sliding Plates Cam 1st Image Transfer Roller Pressure Retraction Lever 4004M583AA 1st Image Transfer Roller Y 1st Image Transfer Roller M Main Motor M13 1st Image Transfer Pr...

Page 87: ...ng changed through a cam 1 Monochrome mode The pressure position in the monochrome mode is where only the Bk PC Drum is in con tact with the Transfer Belt The Y M and C PC Drums leave the Transfer Belt which allows the Y M and C PC Drums to remain stationary in this mode extending the service life of the PC Drums 2 Color Mode The pressure position of the Image Transfer Rollers is where the PC Drum...

Page 88: ...hanging the cam position which moves the Retraction Roller up or down 1 Retracted Position 2 Monochrome Mode The cam turns to the position shown below The Retraction Roller does not move Only the Bk PC Drum contacts the Transfer Belt 3 Color Mode The cam turns to the position shown below The Retraction Roller pushes down the Transfer Belt The PC Drums of all four colors contact the Transfer Belt 4...

Page 89: ...rome mode This ensures that the Bk PC Drum makes contact with the Transfer Belt in the same manner as in the color mode It takes up any slack in the Transfer Belt to prevent void image from occurring 4004M598AA Lifting Mylar 1st Image Transfer Roller Bk Transfer Belt Retraction Roller Bk PC Drum 4004M597AA Lifting Mylar Bk PC Drum 1st Image Transfer Roller Bk Transfer Belt ...

Page 90: ...ntrol Signal Energized Deenergized WIRING DIAGRAM CL15 PJ14I 9A L H 6 E Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC23 PJ14I 6B H L 6 F 4004M037AB 2nd Image Transfer Pressure Retraction Clutch CL15 2nd Image Transfer Pressure Position Sensor PC23 2nd Image Transfer Roller 4004M036AB 4004M040AA 4004M039AA When Retracted When Pressed 2nd Image Transfer Roller Cam ON Drive Rolle...

Page 91: ... Sensors to pre vent them from being dirtied with toner The shutter operation is in synchronism with the pressure and retraction motion of the 2nd Image Transfer Roller 2nd Image Transfer Roller Shutter Retracted Uncovers sensors Pressed Covers sensors 4004M587AA AIDC Sensor 1 UN20 AIDC Sensor 2 UN21 2nd Image Transfer Roller Shutter 4004M589AA Shutter Open Close Lever Shutter ...

Page 92: ...ture and high humidity to prevent image transfer failure from occurring due to damp paper 18 11 Transfer Belt Paper Separator Fingers The Paper Separator Fingers separate paper from the Transfer Belt High temperature humidity condition 1 sided printing first cycle of 2 sided printing Turns OFF RY1 to float the cloth In conditions other than above Connected to GND from RY1 via HV2 4004M038AB 2nd Im...

Page 93: ...ias is applied to the roller The residual toner is moved to the surface of the Transfer Belt from which the Cleaning Blade scrapes it Operation Timing When Power Switch is turned ON For every 100 copies made Operation Timing When Power Switch is turned ON When Front Door is opened and closed For every 100 copies made 4004M043AA Driven Roller Cleaning Blade Transfer Belt 4004M011AB 4004M042AB 2nd I...

Page 94: ...ansfer Belt is collected in the Toner Collecting Bottle Waste toner that overflows from the Waste Toner Tank of the Imaging Unit is collected The Conveying Coil is turned by the drive from the Main Motor 4004M044AB Toner Collecting Bottle Waste Toner Conveying Coil for Imaging Unit Waste Toner Conveying Coil for Transfer Belt ...

Page 95: ... used to detect a waste toner near full condi tion When the sensor is blocked by the toner collected in the bottle the copier determines that it is a waste toner near full condition A reflector type sensor is used 4004M057AA Waste Toner Full Detecting Sensor PC29 Toner Collecting Bottle 4004M603AA Waste Toner Full Detecting Sensor PC29 Waste Toner Before Waste Toner Near Full Condition is Detected...

Page 96: ...ssages are given on the screen for waste toner near full and full conditions To reset the warning message display perform the following procedures Change the Toner Collecting Bottle Clear the waste toner counter A predetermined number of copies About 4 500 copies using A4 paper Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC29 PJ7I 7B L H 36 F After a given number of copies are ...

Page 97: ...ased on the measurement taken the 1st image transfer voltage for each color is deter mined 2 2nd Image Transfer ATVC The 2nd image transfer ATVC current is output and resistance of the 2nd Image Transfer Roller is measured The 2nd image transfer voltage is determined according to the measured resistance paper type temperature humidity humidity table and whether the cycle is for a color copy or mon...

Page 98: ...ustment Operations 4004M078CB 2nd Image Transfer Feedback Terminal Constant Current Transfer Belt PC Drum Ground 2nd Image Transfer Roller Measure Resistance Value Constant Voltage HV2 Transfer Belt Drive Roller Transfer Belt Unit 1st Image Transfer Roller Transfer Belt Constant Current ...

Page 99: ... sequence ATVC and image stabilization sequence It automatically resets the corresponding counter of Life under Tech Rep Mode 19 MAIN ERASE LAMP The Main Erase Lamp LED illuminates the surface of the PC Drum to neutralize any residual charge left thereon New Unit Detection Timing Transfer Belt Unit Power Switch is turned ON Front Door is opened and closed Right Door is opened and closed 4004M045AA...

Page 100: ...501 CF2001 MECHANICAL ELECTRICAL 00 12 15 M 85 20 PC DRUM CLEANING UNIT 20 1 Cleaning Mechanism The Cleaning Blade scrapes residual toner off the surface of the PC Drum 4004M046AA Cleaning Blade 4004M045AA Imaging Unit PC Drum ...

Page 101: ...ake Up Roller 2 Backup Roller 3 Web 4 Pressure Spring 5 Oil Coating Roller 6 Fusing Thermistor 2 7 Fusing Thermostat 2 8 Lower Fusing Roller Heater Lamp 9 Lower Fusing Roller 10 Upper Fusing Roller 11 Fusing Belt 12 Fusing Thermostat 1 13 Fusing Thermistor 1 14 Heating Roller Heater Lamp 1 15 Heating Roller Heater Lamp 2 16 Heating Roller 17 Oil Donor Roller 4004M047AA 1 2 3 4 5 6 7 9 8 10 11 12 1...

Page 102: ...en by a motor 21 2 Fusing Speed Control The fusing speed is changed according to the paper type Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M14 PJ13I 2A L H 2 E Paper Type During a Copy Cycle Plain paper 90 mm s Thick paper 1 thick paper 2 OHP 60 mm s 4004M048AB Fusing Drive Motor M14 Fusing Belt Heating Roller ...

Page 103: ... is initi ated To enhance fusing performance the fusing speed set according to the paper type is cor rected to a stabilized one The Heating Roller is provided with two protrusions so that the Fusing Roller Rotation Detecting Sensor can determine the time it takes the Heating Roller to turn a half turn Fusing Roller Rotation Detecting Sensor PC9 Detection Lever Protrusion Heating Roller 4004M049AB ...

Page 104: ...from the Fusing Belt The Lower Fusing Roller at the pressed position is detected by the Fusing Pressure Position Sensor The Fusing Pressure Position Sensor is also used to count a given number of pulses as started counting from the pressed position to stop the Lower Fusing Roller at the retracted position Pressure Retraction Timing Conditions Pressure Retraction Operation Power Switch ON Not in re...

Page 105: ...ING DIAGRAM M8 PJ14A 4A L H 2 F PJ14A 5A H L Controlled Part Control Signal Blocked Unblocked WIRING DIAGRAM PC8 PJ17I 3B H L 2 G 4004M050AB Fusing Pressure Retraction Motor M8 Fusing Pressure Position Sensor Fusing Retraction Position Sensor PC8 4004M051AB Sector Gears Lower Fusing Roller When Pressed 4004M564AA When Retracted Sector Gear Lower Fusing Roller ...

Page 106: ... to prevent offset and ensure better paper separation Toner sticking to the Fusing Belt is removed with the Web by way of the Oil Donor Roller 2 Oil Coating Roller The Oil Coating Roller cleans the Lower Fusing Roller prevents offset and ensures bet ter paper separation 4004M047AA Oil Donor Roller Backup Roller Web Fusing Belt 4004M052AA Lower Fusing Roller Oil Coating Roller ...

Page 107: ...trol The slack in the Web is taken up by energizing the Cleaning Web Drive Motor The Cleaning Web Drive Motor is energized for a given period of time when the Fusing Roller remains stationary Web Take Up Amount 0 125 mm per sec Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M5 PJ4I 11 14 Pulse Output 2 E Operation Timing After a misfeed has been cleared After the Web has been ...

Page 108: ...ndition has been detected 21 7 New Fusing Related Parts Detection The copier detects a new Fusing Unit Web and Oil Coating Roller The corresponding counter of Life under Tech Rep Mode is automatically reset Detection Timing Life of Tech Rep Mode Fusing Web Unit counter reads 16 000 Detected by the Near Empty Lever See below Life Counter of Tech Rep Mode A given number of copies Corresponds to 1 00...

Page 109: ...tures are the same as those for Heating Roller Heater Lamp 1 Lower Fusing Roller Heater Lamp Turns ON during a warm up cycle Turns ON during a copy cycle 130 C Turns ON in the standby state after a warm up cycle Fusing Thermistor 1 Detects the surface temperature of the Heating Roller Temperature control in standby state 170 C Energy Saver temperature control 160 C Abnormally high temperature of 2...

Page 110: ...anceled Heating Roller temperature Lower Fusing Roller temperature Warm up completed Heating Roller Heater Lamp 1 ON Lower Fusing Roller Heater Lamp OFF Heating Roller Heater Lamp 1 OFF Lower Fusing Roller Heater Lamp ON Energy Saver Standby During a copy cycle for plain paper Standby Heating Roller Heater Lamp 1 ON Lower Fusing Roller Heater Lamp OFF ...

Page 111: ...TE When the MSC Board is to be replaced with a new one use care not to replace IC5 RAM together with the board 22 2 Flash Memory Flash memory is used on the MSC Board for updating data when upgrading software Insert a memory card in which data has previously been written into the socket on the MSC Board and perform the updating procedure This rewrites the data NOTE For details refer to DIS REASSEM...

Page 112: ...97 22 3 Expanded Memory Expanded memory of 256 MB 128 MB 2 is made optionally available Mounting the expanded memory permits the following control 15 cpm copier Option 20 cpm copier Standard 2 sided copying 2in1 copying 4004M60AA Expanded Memory HSD IDN PIC Board PWB PIC ...

Page 113: ...12 15 M 98 22 4 Temperature Humidity Sensor The Temperature Humidity Sensor detects temperature and humidity inside the copier Humidity Sensor Thermistor UN23 Temperature data Humidity data Master Board PWB I 4004M079CA 4004M588AA Temperature Humidity Sensor UN23 ...

Page 114: ... draw air from the area around the Fusing Unit to the outside to prevent the copier interior temperature from running high Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M2 PJ2C 4B H L 20 I M3 PJ6C 4 H L 20 H M4 PJ6C 7 H L 20 H Controlled Part Control Signal Full Speed Half Speed WIRING DIAGRAM M23 PJ14I 11A H L 2 G M24 PJ14I 1A H L 2 F 4004M054AA Original Glass Cooling Fan Mo...

Page 115: ...C Drum Charge Corona Ozone Removal Mechanism Ozone produced from the PC Drum Charge Corona is removed It is absorbed by the Ozone Filter from the air drawn by a fan motor to the outside Controlled Part Control Signal Full Speed Half Speed WIRING DIAGRAM M21 PJ2I 6 L H 29 E Controlled Part Control Signal Energized Deenergized WIRING DIAGRAM M22 PJ10I 14 H L 19 A Power Supply Cooling Fan Motor M21 4...

Page 116: ...ENERAL FOR CF1501 CF2001 00 12 15 Copyright 2000 MINOLTA Co Ltd Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information MINOLTA Co Ltd 4004 7990 11 00121200 10794 CF1501 CF2001 SERVICE MANUAL GENERAL CF1501 CF2001 SERVICE MANUAL GENERAL ...

Page 117: ...D SERVICE FOR CF1501 CF2001 00 12 25 Copyright 2001 MINOLTA Co Ltd Printed in Japan Use of this manual should be strictly supervised to avoid disclosure of confidential information MINOLTA Co Ltd 4004 7991 11 00121200 CF1501 CF2001 SERVICE MANUAL CF1501 CF2001 SERVICE MANUAL FIELD SERVICE FIELD SERVICE ...

Page 118: ...FrameMaker Ver 5 5 PC CF1501 CF2001 00 12 25 INDEX FIELD SERVICE DIS REASSEMBLY ADJUSTMENT SWITCHES ON PWBs TECH REP SETTINGS ...

Page 119: ...1 Always observe precautions 2 Before starting the procedures be sure to unplug the power cord 3 Use the specified parts WARNING CAUTION WARNING Parts requiring special attention in this product will include a label containing the mark shown on the left plus precautionary notes Be sure to observe the precau tions Be sure to observe the Safety Information given in the Operator s Manual This product...

Page 120: ...d result in an electric shock A part marked with the symbol shown on the left and other parts such as the exposure lamp and fusing roller can be very hot while the machine is energized Touching them may result in a burn Wait until these parts have cooled down before replacing them or any surround ing parts Be sure to connect the ground wire to the ground terminal even when perform ing an inspectio...

Page 121: ... this condition unattended Never place disassembled parts or a container of liquid on the product Parts falling into or the liquid spilling inside the mechanism could result in an electric shock or fire Never use a flammable spray near the product This could result in a fire Make sure the power cord is unplugged before removing or installing circuit boards or plugging in or unplugging connectors A...

Page 122: ...items or software installation Removing the cover marked with the following caution label could lead to possi ble exposure to the laser beam resulting in eye damage or blindness Be sure to unplug the power cord before removing this cover If removing this cover while the power is ON is unavoidable be sure to wear protective laser goggles that meet specifications Make sure that no one enters the roo...

Page 123: ...Mettre au rebut les batteries usageés conformément aux instructions du fabricant Denmark ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig håndtering Udskiftning må kun ske med bat teri af samme fabrikat og type Levér det brugte batteri tilbage til leverandøren Norway ADVARSEL Eksplosjonsfare ved feilaktig skifte av batteri Benytt samme batteritype eller en tilsvarende type anbefalt av apparat...

Page 124: ...ctional unit and does not give troubleshooting procedures applicable within the defective unit All troubleshooting procedures contained herein assume that there are no breaks in the harnesses and cords and all connectors are plugged into the right positions The procedures preclude possible malfunctions due to noise and other external causes Check the area surrounding the service site for any signs...

Page 125: ... connectors into the circuit boards or harnesses Never use flammable sprays near the copier A used battery should be disposed of according to the local regulations and never be dis carded casually or left unattended at the user s premises When reassembling parts make sure that the correct screws size type and toothed washer are used in the correct places If it becomes necessary to replace the ther...

Page 126: ...the IC directly with a multimeter use connectors on the Board Never create a closed circuit across IC pins with a metal tool Before unplugging connectors from the P W Boards make sure that the power cord has been unplugged from the outlet When removing a Board from its conductive bag or conductive case do not touch the pins of the ICs or the printed pattern Place it in position by holding only the...

Page 127: ...e PC Drum Do not apply chemicals to the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum If however the surface is contaminated with fingerprints clean it using the following proce dure Handling of the PC Drum 1 Place the PC Drum into one half of its carton 1076D001 2 Gently wipe the residual toner off the surface of the PC Drum with a dry Dust Free Cotton Pad A Turn ...

Page 128: ...he PC Drum Inside the Imaging Cartridge Use care not to contaminate the surface of the PC Drum with oil base solvent finger prints and other foreign matter Do not scratch the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum 3 Soak a small amount of either ethyl alcohol or iso propyl alcohol into a clean unused Dust Free Cot ton Pad which has been folded over into quar...

Page 129: ...FrameMaker Ver 5 5E PC CF1501 CF2001 DIS REASSEMBLY ADJUSTMENT 00 12 25 DIS REASSEMBLY ADJUSTMENT 18605 ...

Page 130: ...al of the Toner Hopper Unit D 21 2 Removal of the LED Unit D 22 2 6 Cleaning and Disassembly of the IR Unit D 25 1 Cleaning of the Scanner Rails D 25 2 Cleaning of the Mirrors 1st 2nd 3rd D 25 3 Cleaning of the Lens D 25 4 Cleaning of the Original Glass D 26 5 Removal of the Original Glass Cooling Fan Motor D 26 6 Removal of the Scanner Motor D 26 7 Removal of IR Cooling Fan Motor 2 D 27 8 Removal...

Page 131: ... of the Paper Take Up Clutch D 52 25 Removal of AIDC Registration Sensor 1 2 D 53 26 Removal of the Temperature Humidity Sensor D 54 27 Removal of the Toner Supply Door Sensor D 54 28 Removal of the Manual Feed Paper Take Up Sensor D 54 29 Removal of the 1st Image Transfer Retraction Position Sensor D 55 30 Removal of the Double Feed Sensor D 55 31 Removal of the Drawer Set Sensor and Drawer Paper...

Page 132: ...t Margin D 72 6 Dup Left Margin D 73 7 Paper Loop D 74 8 Color Shift Correction D 75 9 Fuser Nip D 78 10 Fuser Temp D 80 11 Fuser Speed D 81 12 Left Image D 82 13 Top Image D 83 14 CD Mag D 84 15 FD Mag D 85 16 Org Detect Sensor D 86 17 Gradation Adjust D 87 18 PRT Max Density D 88 19 PRT Highlight D 88 20 Background Voltage Margin D 89 4 OTHER ADJUSTMENTS D 90 4 1 Adjustment of the Position of th...

Page 133: ...CF2001 DIS REASSEMBLY ADJUSTMENT 00 12 25 D 1 1 SERVICE INSTRUCTIONS 1 1 IDENTIFICATION OF FUSES DC Power Supply 1 PU1 125 V 15 A F1 120 V 10 A F2 125 V 15 A F3 125 V 15 A F4 4004D101AB 4004D100AB DC Power Supply 2 PU2 250 V 3 A F1 ...

Page 134: ...that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted set or removed in the field Note that when two or more screws are used on the part in questions only one represen tative screw may be marked with red paint 2 Variable Resistors on Board Do not turn the variable resistors on boards for which no adjusting instructions are given in ADJUSTMENT ...

Page 135: ...2001 DIS REASSEMBLY ADJUSTMENT 00 12 25 D 3 2 DISASSEMBLY REASSEMBLY 2 1 DOORS COVERS AND EXTERIOR PARTS IDENTIFICATION AND REMOVAL PROCEDURES 5 1 2 3 7 8 4 6 IR Printer 4004D102AA 4004D103AA 4004D104AA 4004D105AA 2 4 5 6 7 9 1 8 10 3 ...

Page 136: ...R Left Cover Remove the IR Front Cover Remove the IR Rear Upper Cover Remove three screws and the IR Left Cover No Name Removal Procedure 1 Rear Left Cover Open the Left Door Remove the Waste Toner Bottle Remove the Ozone Filter Remove two screws and the Rear Left Cover 2 Hopper Door Open the Right Door Open the Upper Right Door Remove the actuator of the Toner Supply Door Sensor Snap off one reta...

Page 137: ...es given in the following omit the removal of connectors and screws securing the circuit board support or circuit board Where it is absolutely necessary to touch the ICs and other electrical components on the board be sure to ground your body IR Symbol Name Removal Procedures PWB A CCD Sensor Board D 6 PWB C Image Processing Board D 6 PWB D IR PRIF Board D 9 PWB IC Scanner Motor Drive Board D 10 P...

Page 138: ...4D001AC 3 Remove three screws and the imaging process ing lid on the right inside the IR 4004D002AB 4 Unplug three connectors 5 Remove three screws and the CCD Unit 4004D003AA 1 Remove the IR Right Cover IR Front Cover IR Lower Front Cover and IR Rear Upper Cover 2 Remove the Original Glass 3 Remove eight screws and the optical cover 4004D001AC 4 Remove three screws and the imaging process ing lid...

Page 139: ... right of the IR 4004D004AA 6 Unplug eight connectors on the Image Process ing Board 4004D005AA 7 Remove three screws that secure the Image Pro cessing Unit on the right 4004D006AA 8 Remove two screws and the image processing lid on the left inside the IR 4004D007AA 9 Unplug four connectors on the Image Processing Board 4004D008AA ...

Page 140: ...e NEVER pull on the cable At reinstallation make sure that the connector is not tilt When securing the connector use a flat blade screwdriver and tighten the connector firmly 10 Remove two screws that secure the Image Pro cessing Unit on the left 4004D009AA 11 Remove the IR hookup cable 4004D010AA 12 Remove two screws and two washers 4004D011AA 13 Remove nine screws and the Image Processing Unit p...

Page 141: ...ge Processing Board 4004D014AA NOTE At reinstallation make sure that the Image Pro cessing Board is properly connected to the IR PRIF Board 4004D194AA 1 Pull out the Image Processing Board Unit D 6 steps 1 through 14 2 Remove five screws and the IR PRIF Board 4004D195AA NOTE At reinstallation make sure that the IR PRIF Board is properly connected to the Image Processing Board 4004D196AA ...

Page 142: ... Cover IR Rear Right Cover IR Rear Upper Cover and IR Rear Cover 2 Remove two screws and the reinforcement frame 4004D015AA 3 Unplug three connectors 4 Remove one screw Then remove the Scanner Motor Drive Board from the PWB support 4004D016AB 4 Remove two screws unplug one connector and remove the Scanner Assy Flat Cable 4004D025AA 5 Unplug one connector and remove the harness from one wiring sadd...

Page 143: ... Flat Cable 4004D019AA 1 Remove the IR Rear Cover 2 Remove two screws that secure the IR power receptacle 4004D020AB 3 Remove six screws two harness holders and the DC Power Supply 2 cover 4004D021AA 4 Remove one screw that secures DC Power Sup ply 2 in position 4004D022AA 5 Unplug six connectors 6 Take off DC Power Supply 2 by sliding it to the right 4004D023AA ...

Page 144: ...sor Y PWB N2 ATDC Sensor M PWB N3 ATDC Sensor C PWB PIC PIC Board Remove the Rear Cover Remove the Rear Left Cover Remove the PWB Shield Cover Remove the MSC Board Unplug two connectors and remove 12 screws and the PIC Board PWB S Paper Type Detection Board Open the Front Door Remove one screw and the Paper Type Detection Board cover Unplug one connector and remove one screw and the Paper Type Det...

Page 145: ... black or light blocking cloth for packing purposes and place it in a dark place Avoid leaving it to stand for a long time 1 Remove the LED Unit D 22 Removal of the LED Assy Bk 1 Remove High Voltage Unit 1 and 2 D 56 steps 1 through 8 2 Remove two screws unplug one connector and remove the Paper Size Detecting Board 4004D184AB 2 Remove two screws and the Right Guide 4004D108AA 3 Remove two screws ...

Page 146: ...itive engagement 4004D197AA 5 Remove one screw and the holder 4004D113AA 6 Remove four screws unplug two connectors and remove the LED Assy Bk 4004D114AB 7 Remove two screws unplug one connector and remove the ATDC Sensor C NOTE When the ATDC Sensor is replaced the Imaging Unit should also be replaced 4004D115AA 8 Remove two screws and the Left Guide 4004D117AA ...

Page 147: ...10 Remove four screws unplug two connectors and remove LED Assy C 11 Following the same procedure as when removing LED Assy C remove LED Assemblies M and Y 4004D119AB 12 Remove 23 screws and the LED Board Cover NOTE The illustration shows only the representative screw Remove all 23 in total LED Board Cover mounting screws 4004D120AB 13 Unplug two connectors 14 Remove nine screws and the LED Board ...

Page 148: ...anner Rail Upon call D 25 Mirrors 1st 2nd and 3rd Upon call D 25 Lens Upon call D 25 Original Glass Upon call D 26 Image Transfer Section Transfer Belt Unit 1 When malfunction occurs 121 K 4697 161 1 P 26 Transfer Roller Unit 1 121 K 4697 171 1 P 26 Synchronizing Roller Upon call D 38 Paper Dust Remover 1 Upon call 121 K 4004 0156 02 1 D 39 P 26 Waste Toner Bottle 2 4697 101 1 P 19 Around waste to...

Page 149: ...mover and Ozone Filter at the same time 2 About 4 5 K after a waste toner near full condition has been detected 3 Forced to a stop when 110 K is reached 4 About 1 K after 17 K has been reached or a web near empty condition has been detected NOTES K 1 000 copies The contents of the above maintenance schedule are subject to change without notice ...

Page 150: ...tion is detected when a web empty condition is detected or a predetermined number of copies are made whichever arrives ear lier 16 K 17 K 20 cpm copier Oil Coating Unit 33 K A B C D F The life specifications value is based on A4C or Letter C A near life condition or a life condition is detected when the Oil Coating Roller has turned a predetermined period of time or a predetermined number of copie...

Page 151: ...f the Transfer Belt Unit is controlled based on the number of copies made The life counter gives a time value display 3 The life of the Imaging Unit is controlled based on a time value The life counter gives a time value display Conditions for Life Specifications Values Copying Conditions 20 cpm Copier 15 cpm Copier Job Type A Making two copies per job Paper Size B A4 or Letter Color Ratio C C col...

Page 152: ...ent of a unit may call for recheck and readjustments of some items NOTE For the removal of the Imaging Unit Transfer Belt Unit Fusing Unit Fusing Web Unit and Oil Coating Unit see the Unit Replacement Manual Transfer Belt Unit 4004D182AA LED Unit Hopper Unit Imaging Unit Oil Cleaning Unit Fusing Web Unit Fusing Unit ...

Page 153: ...n the Front Door 3 Remove the Toner Supply Door 4 Remove the Hopper Left Cover 5 Slide out the Imaging Unit C M Y Bk Unit Replacement Manual NOTES After the Imaging Unit has been pulled out place the Imaging Unit lock lever back into the locked position When sliding the Imaging Unit back in make sure that the shutter is opened if the Imag ing Unit Lower Cover is not to be used 6 Remove two screws ...

Page 154: ...ement Manual NOTES After the Imaging Unit has been pulled out place the Imaging Unit lock lever back into the locked position When sliding the Imaging Unit back in make sure that the shutter is opened if the Imag ing Unit Lower Cover is not to be used 3 Open the Right Door and Rear Left Cover 4 Remove the Ozone Filter Waste Toner Bottle and Transfer Belt Unit 5 Remove the Rear Cover and Rear Left ...

Page 155: ... the Imaging Unit C M Y Bk drive hub NOTES During the locking procedure use care not to touch the LED surface Should the LED surface be touched clean it with the LED Cleaning Jig D 40 4004D024AA 4004D049AA NOTE Make sure that all four hubs are locked in position 10 Remove two screws and slide out the LED Unit 4004D050AA ...

Page 156: ... the ATDC Sensor from the old LED Unit and remount it on the new one This step is not however necessary if the Imaging Unit is replaced at the same time 4004D051AA LED Unit Lever Precaution for Reinstalling the LED Unit The lever of the LED Unit must be fit into the space between the metal bracket in the rear of the copier and another lever as illustrated below ...

Page 157: ...nal Glass 2 Using a soft cloth dampened with alcohol wipe the Scanner Rails clean of dirt NOTE Lubricate the rails after cleaning 4004D198AA 1 Remove the IR Right Cover and Original Glass 2 Using a soft cloth dampened with alcohol wipe mirrors clean of dirt 4004D199AA 1 Remove the IR Right Cover and Original Glass 2 Remove eight screws and the optical cover 4004D001AC 3 Using a soft cloth dampened...

Page 158: ...irt 4004D201AA 1 Remove the IR Rear Upper Cover and IR Rear Cover 2 Unplug one connector and remove the harness from one wiring saddle 3 Remove two screws and the Original Glass Cool ing Fan Motor 4004D018AB 1 Remove the IR Rear Upper Cover IR Rear Cover and IR Rear Right Cover 2 Remove the Original Glass Cooling Fan Motor 3 Remove two screws and the reinforcement frame 4004D015AA 4 Remove four sc...

Page 159: ...r Front Cover IR Front Cover and IR Rear Upper Cover 5 Remove the optical cover 5 Remove the tension spring for the Scanner Motor timing belt 4004D028AA 6 Remove the harness from one cord clamp and one edge cover 7 Remove three screws and the Scanner Motor Assy 4004D029AD 8 Remove two screws and the Scanner Motor 4004D030AA 6 Remove three screws and the Imaging Process ing Lid on the right inside ...

Page 160: ... bracket 4004D004AA 8 Unplug one connector 9 Remove two screws and IR Cooling Fan Motor 2 4004D032AD 1 Remove the IR Right Cover and Original Glass 2 Unplug one connector 3 Remove two screws and IR Cooling Fan Motor 1 4004D034AB 1 Remove the Control Panel 2 Unplug one connector 3 Remove one screw and the Scanner Home Sen sor Assy 4004D035AB 4 Remove one screw and the Scanner Home Sen sor 4004D036A...

Page 161: ...Rear Cover 2 Unplug one connector 3 Remove one screw and the Original Cover Detecting Sensor Assy 4004D037AA 4 Remove the sensor fixing bracket and the Origi nal Cover Detecting Sensor 4004D038AA 1 Remove the IR Right Cover and Original Glass 2 Unplug one connector 3 Remove one screw and Original Size Detecting Sensor FD1 4004D123AA 4 Unplug one connector 5 Remove one screw and Original Size Detec...

Page 162: ...3 Remove one screw and Original Size Detecting Sensor CD1 4004D124AA 1 Remove the Control Panel and IR Front Cover 2 Unplug one connector 3 Remove one screw and Size Reset Switch 4004D039AB 1 Remove the IR Right Cover and Original Glass 2 Move the Scanner Assy to the location shown and remove one mounting screw each at the front and rear end 4004D202AA NOTE Do not remove the Scanner Positioning Sc...

Page 163: ...e Scanner Assy D 30 3 Take out the Scanner Assy by turning it in the direction of the arrow shown NOTE The Scanner Assy cannot be completely taken off the copier as a Flat Cable is still connected to it at this time 4004D017AB 4 Remove two screws unplug one connector and remove the Scanner Assy Flat Cable 5 Remove the Scanner Assy 4004D025AA 3 Remove the Exposure Lamp from the Lamp Ter minals 4 Re...

Page 164: ...he Scanner Assy and Flat Cable D 30 D 10 4 Remove two screws and the Temperature Fuse 4004D042AB 6 Unhook the springs of the Scanner Drive Cables on the hook side one each at the front and in the rear 7 Remove the front and rear Scanner Drive Cables 4002D110AB 8 Remove the Scanner Motor Assy D 26 steps 4 through 8 9 Remove one screw and then slide the front pulley and bushing toward the rear 4002D...

Page 165: ...and rear and the shaft 4002D114AD 4002D001AA Pulley A Pulley D Pulley E Pulley B Pulley F Pulley C 1 Position the round bead of the Scanner Drive Cable in the pulley as shown NOTE Make sure that the bead snugly rests in the slit in the pulley Front 4002D002AA 2 Wind the fixed bead end of the cable around the pulley five turns clockwise from the rear toward the front side 4002D003AA ...

Page 166: ... secure the cable in position 4002D501AA 5 Position the round bead of the Scanner Drive Cable in the pulley as shown NOTE Make sure that the bead snugly rests in the slit in the pulley Rear 4002D002AA 6 Wind the fixed bead end of the cable around the pulley five turns clockwise from the front toward the rear side 4002D006AA 7 Wind the hook end of the cable around the pulley five turns counterclock...

Page 167: ...he shaft and install the shaft to the Scanner Unit 10 Mount the Scanner Drive Gear on the shaft and secure it in position with one screw 4002D115AD 11 Install an Allen wrench into the holes in the shaft and the IR Base Plate 4002D116AD 12 Slide the front pulley and bushing to the front and install one mounting screw 4002D117AC 13 Slide the rear pulley and bushing to the rear and install one mounti...

Page 168: ...5 Wind the hook end of the cable around pulley A and pulley B 4002D009AA Pulley A Pulley B 16 Fit the hook end of the cable into the groove in the Cable Guide and hook the spring 4002D119AB 17 Wind the bead end of the cable around pulley F and pulley E then hook the bead onto the Adjust able Anchor Rear 4002D010AA Pulley E Pulley F 18 Wind the hook end of the cable around pulley D and pulley E Pul...

Page 169: ...cal cover 25 Reinstall the Original Glass 26 Reinstall the IR Right Cover IR Lower Front Cover IR Front Cover IR Rear Upper Cover and IR Rear Cover 27 Reinstall the Control Panel 28 Adjust the position of the Scanner and 2nd 3rd Mirrors Carriage D 90 NOTE Whenever the Scanner Drive Cables have been removed be sure to carry out the FD Mag adjustment procedure D 85 19 Fit the hook end of the cable i...

Page 170: ...ers 1 Slide out the drawer 2 Using a soft cloth dampened with alcohol wipe the Paper Take Up Roll clean of dirt 4658D005AA 1 Remove the Paper Separator Roll Mounting Assy D 61 2 Using a soft cloth dampened with alcohol wipe the Paper Separator Roll clean of dirt 4658D006AA 1 Open the Right Door 2 Remove two screws and the guide 4004D204AB 3 Using a soft cloth dampened with alcohol wipe the Synchro...

Page 171: ...solvent has been used for cleaning make 28 or more copies using A3 blank sheets of paper to remove image noise 1 Open the Right Door 2 Remove the Paper Dust Remover 4004D206AB 3 Using a brush whisk dust off the Paper Dust Remover 4004D207AA 1 Remove the Transfer Belt Unit Unit Replacement Manual 2 Wipe the surface of the Transfer Belt with a dry cloth NOTES If the dry cloth is not effective in rem...

Page 172: ...t in a dark place Avoid leaving it to stand for a long time 1 Open the Front Door 2 Remove the Imaging Unit C M Y Bk 3 Using the LED Cleaning Jig clean the four LEDs NOTE Use the specified LED Cleaning Jig only 7 Cleaning of the Area around the Waste Toner Collecting Port NOTE If spilled toner is left as is scattering toner particles go into the copier resulting in an image quality problem 4004D22...

Page 173: ...me 1 Remove the Rear Cover 2 Open the Upper Right Door 3 Remove the Rear Upper Cover 4 Open the Right Door 5 Remove the Rear Right Cover 6 Remove the Ozone Filter 7 Open the Left Door 8 Remove the Waste Toner Bottle 9 Remove the Rear Left Cover 3 Wipe the areas around the Waste Toner Collect ing Port clean of spilled toner and dirt using a soft cloth dampened with water or alcohol 4004D222AB 1 Rem...

Page 174: ...s of the 2nd Drawer 4004D054AA 13 Remove two screws and the power line mounting bracket for the 2nd Drawer 14 Remove the harness from two wiring saddles 4004D055AA 15 Unplug eight connectors 16 Remove 11 screws and the MSC PIC Board Box 4004D056AB 17 Remove the LED Unit D 22 18 Unplug two connectors 19 Remove four screws and Imaging Unit Motor Y 4004D057AB ...

Page 175: ...nectors each 22 Remove four screws each and Imaging Unit Motor M C Bk 4004D058AB 1 Remove the MSC PIC Board Box D 41 steps 1 through 8 2 Unplug one connector 3 Remove four screws and the Main Motor 4004D060AA 1 Remove the MSC PIC Board Box D 41 steps 1 through 8 2 Unplug one connector 3 Remove four screws and the Ozone Ventilation Fan Motor 4004D061AC 1 Remove the MSC PIC Board Box D 41 steps 1 th...

Page 176: ...s holder 4004D063AA 4 Unplug two connectors 5 Remove three screws and the Fusing Pressure Retraction Motor Assy 4004D064AA 6 Snap off one E ring and remove the gear and pin NOTE Use care not to lose the pin 7 Snap off one E ring and remove the bushing 8 Remove two screws and the Fusing Retraction Position Sensor mounting bracket 4004D125AA 9 Remove the gear black 4004D209AA 10 Remove two screws an...

Page 177: ... into the hole in the metal bracket 1 Remove the MSC PIC Board Box D 41 steps 1 through 8 2 Unplug three connectors and remove two termi nals 3 Remove six screws and High Voltage Unit 2 4004D066AA 4 Unplug one connector 5 Remove three screws and the Fusing Cooling Fan Motor 2 Unit 4004D067AB 6 Remove four screws and sliding the board holder to the left take it off 4004D068AA 7 Unplug one connector...

Page 178: ...Open the Right Door and Upper Right Door 4 Slid out the Fusing Unit 1 Open the Front Door 2 Remove the Right Front Cover 3 Unplug one connector 4 Remove four screws and the Toner Replenishing Motor C Bk Assy 4004D071AB 1 Remove the Toner Hopper D 21 2 Remove two screws and the Front Door Switch Assy 4004D072AA 3 Unplug one connector 4 Remove four screws and the Toner Replenishing Motor Y M Assy 40...

Page 179: ...Motor 6 Unplug one connector 7 Remove two screws and the Cleaning Web Drive Motor Assy 4004D128AB 8 Remove two screws and the Cleaning Web Drive Motor 4004D129AA 4004D130AA Gear Assy Construction 1 Remove the Paper Output Cover Rear Cover and Rear Upper Cover 2 Remove six screws and the DC Power Supply 1 Cover 4004D074AA ...

Page 180: ...remove the harness from 13 cord clamps and five wiring saddles 4 Remove nine screws and DC Power Supply 1 5 Remove two screws and the Power Supply Cool ing Fan Motor 4004D076AA 1 Remove the Paper Output Cover Rear Cover and Rear Upper Cover 2 Unplug one connector 3 Remove two screws and Fusing Cooling Fan Motor 2 4004D077AC 1 Open the Right Door 2 Open the cover 3 Unplug one connector 4004D078AA ...

Page 181: ...AB Lock 5 Disengage the lock in the rear and remove the 2nd Image Transfer Roller 4004D080AB Lock 6 Remove ten screws and the Right Door reinforce ment frame 4004D081AB 7 Remove two screws and the support 8 Remove four screws and the fan motor duct 4004D082AC 9 Remove two screws and Fusing Cooling Fan Motor 1 4004D083AA ...

Page 182: ...lutch 3 Remove the 2nd Image Transfer Roller 1 Open the Right Door 2 Unplug one connector 3 Snap off one C clip and remove the 2nd Image Transfer Pressure Retraction Clutch 4004D084AA NOTE When reinstalling the 2nd Image Transfer Pres sure Retraction Clutch make sure that it is installed correctly as shown 4004D210AA 4 Unplug one connector of the Synchronizing Roller Clutch 4004D085AA 5 Snap off o...

Page 183: ...orrectly as shown 4004D211AA 1 Remove the Rear Right Cover 2 Unplug one connector 3 Remove four screws and the Manual Bypass Unit 4004D087AB 4 Remove one screw and the ground plate 4004D088AB 5 Unplug one connector 6 Snap off one C clip and remove the Manual Feed Paper Take Up Clutch 4004D089AA NOTE When reinstalling the Manual Feed Paper Take Up Clutch make sure that it is installed correctly as ...

Page 184: ... disconnect three ground connections and remove the harness from the wiring saddle 5 Remove two screws and the hookup connector metal bracket 4004D090AC 6 Remove two screws and the harness guide 7 Remove the harness from one edge cover 4004D091AB 8 Remove one bearing 9 Snap off three E rings and remove three bush ings 10 Remove nine screws and the Gear Assy Guide 4004D092AB 11 Remove one gear 12 S...

Page 185: ...re that it is installed correctly as shown 4004D213AA 1 Open the Right Door 2 Remove four screws and the Synchronizing Roller entrance guide 4004D094AA 3 Remove four screws and the cover 4004D230AA 4 Remove two screws unplug one connector and remove AIDC Registration Sensor 1 4004D095AA 5 Remove two screws unplug one connector and remove AIDC Registration Sensor 2 4004D096AA ...

Page 186: ... 3 Remove the ground plate D 50 1 Remove the Synchronizing Roller entrance guide D 53 steps 1 and 2 2 Remove one screw two washers and the cover 4004D097AA 3 Remove one screw unplug one connector and remove the Temperature Humidity Sensor 4004D098AB 1 Remove the Toner Hopper D 21 2 Unplug one connector 3 Remove the sensor fixing bracket and Toner Supply Door Sensor 4004D131AB 4 Unplug one connecto...

Page 187: ...Pressure Retrac tion Motor D 43 2 Remove four screws and the 1st Image Transfer Retraction Position Sensor Assy 4004D133AA 3 Unplug one connector 4 Remove the sensor fixing bracket and 1st Image Transfer Retraction Position Sensor 4004D134AA 1 Pressing the tabs of the right and left rails slide out the drawer 4004D135AA 4004D136AA 2 Unplug one connector 3 Remove one screw and the Double Feed Senso...

Page 188: ...four terminals Terminal colors White blue red and orange from top down 5 Remove two screws and the terminal harness guide 4004D138AB 6 Remove two screws and High Voltage Unit 1 7 Unplug two connectors 8 Remove the harness from one cord clamp and one edge cover 4004D140AB 9 Unplug three connectors 10 Remove the harness from one edge cover 11 Remove two screws and High Voltage Unit 1 4004D139AA 12 R...

Page 189: ...ff the Drawer Set Sensor and Drawer Paper Near Empty Sensor 4004D142AA 1 Remove the power supply box D 47 steps 1 through 5 2 Remove two terminals 3 Remove one screw and the Left Door Switch 4004D099AB 1 Remove the MSC PIC Board Box D 43 steps 1 through 8 2 Remove two terminals 3 Remove one screw and the Right Door Switch Assy 4004D143AB 4 Remove one screw and the Right Door Switch 4004D144AB ...

Page 190: ...moval of the Fusing Retraction Position Sensor 37 Removal of the Exit Sensor 4 Remove two terminals 5 Remove two screws and the Front Door Switch 4004D145AA 3 Unplug one connector 4 Remove two screws and the Fusing Roller Rota tion Detecting Sensor 4004D146AA 1 Remove the Fusing Pressure Retraction Motor Assy D 44 steps 1 through 5 2 Remove the sensor fixing bracket and Fusing Retraction Position ...

Page 191: ...nd Image Transfer Roller D 48 steps 1 through 3 40 Removal of the OHP Detecting Sensor 3 Unplug one connector 4 Remove one screw and the 2nd Image Transfer Pressure Position Sensor 4004D151AA 3 Unplug one connector 4 Remove two screws and the Synchronizing Roller Sensor 4004D152AA 1 Open the Right Door 2 Remove the Paper Dust Remover Unit 4004D153AA 3 Remove the 2nd Image Transfer Roller D 48 step...

Page 192: ...Where Sensor Assy is Installed Front Rear 3 Pressing the portion indicated by the arrow of the CD Paper Size Detecting Sensor Assy slide the assy to the right and take it off 4004D506AB 4 Unplug two connectors 4004D155AB 1 Slide out the drawer 2 Lock the Paper Lifting Plate into position 3 Snap off one C clip from the Paper Take Up Roll Assy 4 Slide the Paper Take Up Roll Assy to the rear and take...

Page 193: ...teps 1 through 5 5 Snap off one C clip and remove the Paper Take Up Roll 4658D009AA 1 Slide out the drawer 2 Remove two screws and the Paper Separator Roll mounting bracket assy 4658D002AA 3 Take off the rubber stopper shaft spring and guide plate to remove the Paper Separator Roll fixing bracket assy NOTE At reinstallation make sure that the rubber stopper is on the rear side of the copier 4658D0...

Page 194: ... MSC PIC Board Box D 41 steps 1 through 8 2 Remove four terminals 3 Remove one screw and the Charge Neutralizing Relay 4004D160AB 1 Remove the LED Unit D 22 2 Remove one screw and the Waste Toner Full Detecting Sensor Cover 4004D161AA 3 Unplug one connector and remove the Waste Toner Full Detecting Sensor 4004D162AB 1 Remove the LED Unit D 22 2 Disengage two locking tabs and remove the Waste Toner...

Page 195: ...al of the Toner Empty Switch Y M C Bk 3 Unplug one connector 4 Remove one screw and the Waste Toner Bottle Set Sensor 4004D164AA 1 Open the Front Door 2 Remove six screws and the Toner Empty Switch Cover 4004D111AB 3 Unplug one connector each and remove the Toner Empty Switch 4004D112AB ...

Page 196: ...TS The adjustment procedures must be carried out in the order of printer and IR 3 1 ADJUSTMENT JIGS AND TOOLS USED Scanner Positioning Jigs Imaging Unit Pull out Jig LED Cleaning Jig LED Cleaning Jig Pad 4004D185AA 4004D186AA 4004D187AA 4002D503AA Scanner Drive Cable Holding Jig 4004D510AA ...

Page 197: ... 0 1 0 mm D 72 Dup Left Margin 3 0 1 0 mm D 73 Paper Loop Test print tilts 0 D 74 Color Shift Correction FD CD and tilt 0 with reference to Bk D 75 Fuser Nip 7 0 5 mm D 78 Fuser Temp D 80 Fuser Speed D 81 Gradation Adjust D 87 PRT Max Density D 88 PRT Highlight D 88 Background Voltage Margin D 89 IR Left Image 0 1 0 mm D 82 Top Image 10 1 0 mm D 83 CD Mag 200 1 0 mm D 84 FD Mag 300 1 5 mm D 85 Org...

Page 198: ...r NO If there is no gap between the switch and actuator the actuator is bent or the switch can be broken NC Normally Closed Current flows between NC and COM when the actuator is open NO Normally Open Current flows between NO and COM when the actuator is closed COM Common Common contact for NC and NO Wiring for the NO Type Wiring for the NC Type 1136D007AA 1136D008AA Yellow NO Red COM Blue NC Red C...

Page 199: ...pring to the Tension Lever that maintains the tension of each timing belt adjustment is completed by re tightening the mounting screw after it has been loosened 1 Adjustment of the Scanner Motor Timing Belt 1 Remove the Original Glass Cooling Fan Motor D 26 2 Loosen the three screws that secure the Scanner Motor mounting bracket 4004D188AC 3 With the Scanner Drive Gear mounting screw positioned on...

Page 200: ...ode 1 Press the Utility key 2 Touch Meter Count 3 Press the following keys in this order Stop 0 0 Stop 0 1 2 Producing a Test Print 1 Call the Tech Rep Mode to the screen 2 Touch Test Print 3 Select the desired test pattern type 4 Make the necessary settings 5 Press the Start key Press the Stop key to terminate the Test Print function ...

Page 201: ...keys Stop 0 Stop 3 2 Using the tip of a pen or similar object touch the four crosses on the screen in sequence NOTES These crosses may be touched in any order but be sure to touch the center of each cross Use care not to damage the screen surface with the tip of the pen 1155D191CA 3 The cross touched changes into a grid marker that consists of a square with a cross superim posed 4 Touch END 1155D1...

Page 202: ... width A on the test pattern If width A is outside the specified range 7 Touch Paper Send Position and then change the setting using the Up Down key Adjustment Instructions If width A is longer than the specifications make the setting value smaller than the current one If width A is shorter than the specifications make the setting value greater than the current one 8 Press the Start key to let the...

Page 203: ...aint If the image is faint 21 Touch these keys in this order Machine Adjust PRT Area Top Margin 22 Touch 2nd Transfer Timing and then use the Down key to decrease the setting NOTE Decreasing the setting makes transfer timing faster An abnormally low setting could however result in a paper misfeed 23 Touch MENU 24 Produce a halftone test pattern again 25 Check the image on the leading and trailing ...

Page 204: ...n If width A is outside the specified range 8 Touch 1st and then change the setting using the Up Down key Adjustment Instructions If width A is longer than the specifications make the setting value smaller than the current one If width A is shorter than the specifications make the setting value greater than the current one 9 Press the Start key to let the copier produce a test pattern 10 Check the...

Page 205: ...d range 8 Touch 1st and then change the setting using the Up Down key Adjustment Instructions If width A is longer than the specifications make the setting value smaller than the current one If width A is shorter than the specifications make the setting value greater than the current one 9 Press the Start key to let the copier produce a test pattern 10 Check the dimension of width A on the test pa...

Page 206: ...attern 7 Go back to the Tech Rep Mode initial screen 8 Touch Machine Adjust 9 Touch Paper Loop 10 Select the paper and paper source to be adjusted 11 Press the Clear key to clear the current setting 12 Enter the setting from the 10 Key Pad Use the Access key to select the sign of or Setting Instructions If the test pattern deviates in the direction of A decrease the setting If the test pattern dev...

Page 207: ...own below deviates or not 8 If it deviates change the setting using the Up Down key If it does not deviate go to step 12 Setting Instructions 9 Press the Start key to let the copier produce a test pattern 10 Check to see if the cross on the test pattern deviates 11 If it deviates change the setting and then make a check again If it does not deviate go to step 12 12 Touch MENU 13 Touch Color Shift ...

Page 208: ...g the Up Down key Setting Instructions 4004D507AB For X direction Check Position B A If the cross deviates in the direction of A decrease the setting If the cross deviates in the direction of B increase the setting 4004D508AB If the cross deviates in the direction of A decrease the setting If the cross deviates in the direction of B increase the setting For Y direction Check Position B A ...

Page 209: ...ated cross 21 Change the setting for skew using the Up Down key Setting Instructions 22 Press the Start key to let the copier produce a test pattern 23 Check to see if any of the cyan magenta and yellow crosses deviates with reference to the black cross 24 If any of the crosses deviates change the setting and make a check again 4004D521AA If the cross deviates in the direction of A decrease the se...

Page 210: ... Fuse Nip 3 Load the 1st Drawer with A4 crosswise paper 4 Select plain paper on the Paper Type Setting Dial 5 Press the Start key to let the copier produce a test pattern 6 Check the nip width on the test pattern If the nip width is outside the specified range 7 Slide out the Fusing Unit Unit Replacement Manual 8 Remove the front and rear covers from the Fusing Unit Specifications Adjustment Mode ...

Page 211: ...p width on the test pattern is shorter than the specifications tighten the adjusting screws 10 Reinstall the front and rear covers and the Fusing Unit in position 11 Close the Right Door and Upper Right Door 12 Produce a test pattern again 13 Check the nip width on the test pattern 14 If the nip width does not fall within the specifications turn the adjusting screws as nec essary and then make a c...

Page 212: ...Select the paper type 4 Press the Clear key to clear the current setting 5 Enter the new setting from the 10 Key Pad Use the Access key to select the sign of or Adjustment Instructions If fusing performance is poor increase the setting If offset occurs decrease the setting The temperature does not change immediately when the setting is change Wait a while before performing the subsequent steps 6 T...

Page 213: ...e Speed 3 Select the paper type 4 Press the Clear key to clear the current setting 5 Enter the new setting from the 10 Key Pad Use the Access key to select the sign of or Adjustment Instructions If brush effect is evident decrease the setting If a blurred image occurs increase the setting 6 Touch MENU 7 Go back to the Basic screen 8 Make an ordinary copy using the paper type selected in step 3 9 C...

Page 214: ...tions 7 Change the setting using the Up Down key Adjustment Instructions If the 0 mm position on the sample copy is on the right side of the correct 0 mm position perpendicularly to the feeding direction less than 1 mm decrease the setting If the 0 mm position on the sample copy is on the left side of the correct 0 mm position per pendicularly to the feeding direction exceeding 1 mm increase the s...

Page 215: ...et the specifications 7 Change the setting using the Up Down key Adjustment Instructions If the 10 mm position on the sample copy is on the right side of the correct 10 mm position parallel to the feeding direction less than 9 mm decrease the setting If the 10 mm position on the sample copy is on the left side of the correct 10 mm position parallel to the feeding direction exceeding 11 mm increase...

Page 216: ...e a copy 6 Check the image on the copy produced If the image does not meet the specifications 7 Change the setting using the Up Down key Adjustment Instructions If the specified width on the copy is less than 199 mm increase the setting If the specified width on the copy exceeds 201 mm decrease the setting 8 Press the Start key to make a copy 9 Check the image on the copy to see if the specificati...

Page 217: ...Press the Start key to make a copy 6 Check the image on the copy produced If the image does not meet the specifications 7 Change the setting using the Up Down key Adjustment Instructions If the specified width on the copy is less than 298 5 mm increase the setting If the specified width on the copy exceeds 301 5 mm decrease the setting 8 Press the Start key to make a copy 9 Check the image on the ...

Page 218: ... the original correctly Adjustment Procedure 1 Place a blank sheet of A3 paper on the Original Glass and lower the Original Cover 2 Call the Tech Rep Mode to the screen 3 Touch these keys in this order Machine Adjust Org Detect Sensor 4 Press the Start key If the adjustment has been successfully made it completes the adjustment procedure If the adjustment has turned out to be unsuccessful check th...

Page 219: ...iginal Cover 6 Press the Start key to let the copier start scanning the original When the copier completes scanning the data on the original the Tech Rep Mode ini tial screen reappears 7 Repeat steps from 2 to 6 twice a total of three cycles 8 Touch Gradation Adjust and check the Conv Value on the screen Results If Max falls within 0 100 and Highlight within 0 60 then it completes the adjustment p...

Page 220: ...to go back to the Image Adjust menu screen 7 Touch Stabilizer 8 Select Stabilizer Mode 9 Press the Start key to validate the adjustment value 19 PRT Highlight This adjustment must be made in the following case An image quality problem is not corrected even after Gradation Adjust has been run Adjustment Procedure 1 Call the Tech Rep Mode to the screen 2 Touch these keys in this order Image Adjust P...

Page 221: ...reen 2 Touch these keys in this order Image Adjust Background Voltage Margin 3 Select the color to be adjusted 4 Press the Clear key to clear the current setting 5 Enter the new setting from the 10 Key Pad Use the Access key to select the sign of or 6 When the adjustment has been made touch MENU to go back to the Image Adjust menu screen 7 Touch Stabilizer 8 Select Stabilizer Mode 9 Press the Star...

Page 222: ...ng cases The Scanner Drive Cable has been replaced The Scanner Fixing Bracket has been removed from the Scanner Drive Cable The Scanner Drive Cable comes unwound Adjustment Procedure 1 Remove the IR Rear Upper Cover IR Front Cover IR Right Cover and Original Glass 2 Move the Scanner Assy so that the Scanner Positioning Screw is aligned with the hole in the upper frame 3 Insert a screwdriver into t...

Page 223: ...tabs on the jigs into the holes at the front and rear ends of the frame 4004D220AC 5 Press the Scanner Assy and 2nd 3rd Mirrors Car riage Assy tightly up against the Scanner Posi tioning Jigs 4004D522AA 6 Tighten the two Scanner Positioning Screws 4004D224AA 1 Remove the Original Glass 2 Loosen one screw that secures the adjusting plate 4002D235AB 3 Turn the adjusting screw as necessary 4002D236AA...

Page 224: ...oning Jig at the front turn the adjusting screw clockwise If there is a gap between the 2nd 3rd Mirrors Carriage Assy and the Scanner Positioning Jig in the rear turn the adjusting screw counterclockwise 4 Lightly press the 2nd 3rd Mirrors Carriage Assy up against the Scanner Positioning Jigs and make sure there is no gap 5 Tighten one screw to secure the adjusting plate in position ...

Page 225: ...N 1 Open the Front Door 2 Open the Toner Supply Door 3 Remove the Panel Cover 4 Open the Right Door 5 Remove the Front Right Cover 6 Cut out the knockout in the Front Right Cover C4004U267AA 7 Remove two screws and the Right Front Cover C4004U268AA 8 Secure the mechanical counter with one screw C4004U269AA 9 Connect one connector C4004U270AA ...

Page 226: ...tion Sensor of System Input available from the Tech Rep Mode and run Org Detect Sensor of Machine Adjust D 86 1 Remove the IR Right Cover and Original Glass 2 Remove the optical cover 3 Install the harness 4 Mount the Original Size Detecting Sensor option How the Harness should be Placed 4004D523CA FD1 Optional for the U S A FD3 Optional for the Europe U S A Taiwan E CD2 Optional for the Europe U ...

Page 227: ...Open the Left Door 4 Remove the Waste Toner Bottle 5 Remove the Rear Left Cover 7 Plug the power cord into the power outlet and turn ON the Power Switch Four different types of F W appear on the Touch Panel 9 Press the Start key This starts the data rewriting sequence At this time the Start key starts blinking red Time Required for Rewriting Four types at once Approx 13 min Individual MSC approx 1...

Page 228: ...on marked on the memory card Action When Data Transfer Fails If NG appears on the Touch Panel indicating that rewriting has been unsuccessful in which case the Start key lights up red take the following steps 14 Perform the data rewriting procedure again 15 If the procedure is abnormally terminated change the memory card for a new one and try another rewriting sequence 16 If the procedure is still...

Page 229: ...and RAM IC is not to be remounted be sure to record all data of User s Choice and Tech Rep Choice functions and make entries again of these numeric values Note that the RAM IC contains no data in this case 1 Remove the MSC Board 2 Remove RAM IC from the new MSC Board 3 Remove RAM IC from the old MSC Board and remount it onto the new MSC Board 4002D225AA NOTE Note the alignment notch A on RAM IC wh...

Page 230: ...FrameMaker Ver5 5E PC CF1501 CF2001 SWITCHES ON PWBs TECH REP SETTINGS 00 11 30 SWITCHES ON PWBs TECH REP SETTINGS 17196 ...

Page 231: ...istrator Mode S 13 4 Tech Rep Mode S 17 4 1 Tech Rep Mode Menu Screen S 17 4 2 Tech Rep Mode Function Setting Procedure S 17 4 3 Tech Rep Mode Menu Function Tree S 18 4 4 Setting in the Tech Rep Mode S 20 1 Machine Adjust S 20 2 Image Adjust S 22 3 System Input S 23 4 Counter S 25 5 State Confirm S 28 6 ADF Check S 30 7 ROM Version S 30 8 RD Mode S 31 9 Administrator Input S 33 10 List Output S 33...

Page 232: ...1 CONTROL PANEL KEYS AND TOUCH PANEL 1 1 Control Panel Keys Contrast Au t o C o lo r F u ll C o lo r B l a c k 1 2 3 4 5 6 7 8 9 0 C Star t Stop Sca n Co py Acce ss En e rg y Save r Panel Reset I n t e rr u p t U t i l i t y J o b R e c a l l 4004P008AA 1 2 3 4 5 6 7 8 9 10 11 12 14 13 ...

Page 233: ...g cycle 7 Start Key Start a print cycle 8 Auto Color Full Color Black Keys Auto Color Key Press to make copies according to the type of the original being used Full Color Key Press to make full color copies Black Key Press to make black and white copies 9 Touch Panel Shows various screens and message 10 Job Recall Key Press to display the Job Recall screen 11 Utility Key Press to show the Utility ...

Page 234: ...N 1 Supplementary Function Keys Select the Auxiliary Finishing Orig Copy or Basics function 2 Message Display Shows the current copier status operating instructions and precautions and other data including the number of copies selected 3 Basic Display Select the Text Photo Zoom or Paper function 4 Set Function Display Shows graphic representations of the copying functions currently set for use 400...

Page 235: ...ctions that can be identified with a specific code Error Display Given when an error occurs E g Paper misfeed door open etc 4004P023CB 4004P024CA Warning Display Given when only a defective copy will be produced because of erroneous or illegal panel settings E g Unmatched paper size in Auto Paper Caution Display Given when though further copier opera tion will be possible it could eventually resul...

Page 236: ...INGS 00 11 30 S 5 Engine IR Warning When the engine or IR develops a faulty condition a mark appears at the lower left corner of the Basic screen Touch this mark and the display shows the details of the fault NOTE For details see TROUBLE SHOOTING 4004P027CB 4004P028CA ...

Page 237: ...scription PJ2 Initialize Switch Resets a misfeed malfunction and erratic display TP1 Memory Clear Test Point Clears choice related data NOTE It does not however clear data of Electronic Counters Administrator RD mode Scanner Addr Input and IR backup data TP3 COM Test Point Ground used for memory clear 4004S002AA PWB T PWB H PWB H COM TOTAL MEMORY TP3 TP2 TP1 1 2 PJ6 INI 4004S001AB ...

Page 238: ...h the Enter key Memory Clear 1 Turn ON the Power Switch 2 With the circuit across TP1 and TP3 closed turn OFF then ON the Power Switch 3 Open the circuit in about 5 seconds 4 Check that the message Memory Clear Completed is displayed on the Touch Panel and then touch the Enter key NOTES If the copier exhibits an erratic display or operation reset and clear in the following order Initialize Memory ...

Page 239: ...itches Pins Clearing Method Front Door Open Close Trouble Reset Switch SW1 Initialize PJ6 Memory Clear TP1 Data Cleared Misfeed display Malfunction display Fusing Optical Scanner ROM faults Others Erratic operation display Job Image User s Choice Tech Rep Mode Security Mode Touch Panel Correction Mode Cleared Not cleared ...

Page 240: ...Selection Screen Press the Utility key on the control panel 3 2 Utility Mode Function Tree Displayed when Mode 2 3 or 4 is selected for Peripheral Mode available from the Service mode 4004P044CB Utility Default Settings Meter Count Job Memory Input Administrator Mode Scanner Addr Input User s Choice Administrator Mode 1 2 Administrator Mode 2 2 Administrator Mode 1 2 Administrator Mode 2 2 ...

Page 241: ... function settings established when the Power Switch is turned ON or the Panel Reset key is pressed NOTE To designate the Current Settings first make the necessary set tings on the control panel then touch Current Settings Meter Count Displays the counts of various counters Pressing the Start key will let the copier produce a printed page of the counts of various counters Job Memory Input Permits ...

Page 242: ... Applicable when the system is equipped with a finishing option and using an ADF ACS Determination level Adjust Set the mode evaluation level for the Auto Color mode Confirmation Beep Select whether to enable or disable the beep that sounds each time a key on the control panel is pressed or a function on the Touch Panel touched User s Choice User s Choice 1 2 User s Choice 2 2 Language selected 2i...

Page 243: ... the set period of time elapses after a copy cycle has been completed or the last key operated to be activated Use the 10 Key Pad to set the time Energy Save Mode Select the time it takes the copier to enter the Energy Saver mode after a copy cycle has been completed or the last key operated Use the 10 Key Pad to set the time Sleep Mode Select the time it takes the Sleep function which shuts down ...

Page 244: ...ate the settings Exiting the Mode Press the OK key 2 Administrator Mode Function Tree Available on the screen when the settings are made for Mainte Center when a Data Terminal is mounted PRT Area Top Margin PRT Area Left Margin PRT Area Dup Left Margin Thin Orig Expt User s Mode 1 2 Expt User s Mode Administrator Mode 2 2 Administrator Mode Thick Paper and OHP Film Image Density Color Shift Correc...

Page 245: ...be reset Touch All Accts to reset the counters of all accounts 2 Touch the Cancel key 3 Touch the YES key 4 Touch OK to reset the counter Permission Level Select whether to enable Permit or disable Prohibit copying according to the color or black mode for each account Procedure 1 Using the or key select the account number for which Per mission Level is to be set 2 Select either Permit or Prohibit ...

Page 246: ...Density Correct the image density for copying on thick paper and OHP trans parencies for each color Color Shift Correction C Correct fine adjust color shift of the cyan image in each of X Y and θ directions For details see DIS REASSEMBLY ADJUSTMENT Color Shift Correction M Correct fine adjust color shift of the magenta image in each of X Y and θ directions For details see DIS REASSEMBLY ADJUSTMENT...

Page 247: ...in the sub scanning direction PRT Area Left Margin Adjust the image position for each paper source by varying the print start position of the printer in the main scanning direction PRT Area Dup Left Margin Adjust the image position for each paper source in the 2 Sided Mode by varying the print start of the printer in the main scanning direction Thin Orig Select whether or not to make the Thin Orig...

Page 248: ... set adjust and or program various ser vice functions 4 1 Tech Rep Mode Menu Screen 4 2 Tech Rep Mode Function Setting Procedure Procedure 1 Press the Utility key 2 Press the Meter Count key 3 Press the following keys in this order Stop 0 0 Stop 0 1 4 Select the desired Service Mode function Exiting the Mode Press the Fine Time key 4004P030CB ...

Page 249: ...Max Density PRT Highlight Background Voltage ATDC Level Setting AE Adjust Stabilizer ATDC Toner Supply Marketing Area Orig Detect Option Sensor Serial Input Tel Input FLS Paper Book Erase Center Peripheral Mode Unit Change Life Jam Trouble Warning Maintenance I O Check Table Level History 1 Level History 2 Temp Humidity CCD Check Paper Passage Option Memory Color Shift IU Lot No Machine Adjust Ima...

Page 250: ... S 19 Tech Rep Choice I O Check Paper Passage Image Processing Counter Gradation Pattern Halftone Lattice Pattern Solid Pattern Color Sample IR Test Pattern 8 Color Solid Pattern ADF Check List Output Test Print Service Mode Gradation Adjust ROM Version RD Mode Administrator Input ...

Page 251: ...sition in the sub scanning direction 2nd Transfer Timing Vary the second transfer timing to adjust the image transfer timing in the sub scanning direction Left Margin Adjust the image position for each paper source by varying the print start position of the printer in the main scanning direction Dup Left Margin Adjust the image position for each paper source in the 2 Sided Mode by varying the prin...

Page 252: ...f the magenta image in each of X Y and θ directions Color Shift Correction Y Correct fine adjust color shift of the yellow image in each of X Y and θ directions Color Shift Correction Bk Correct fine adjust color shift of the black image in the θ direction LPH Rank This mode is for factory adjustment only and should NOT be used It is confirmed that the numerical value is 0 Staple Hole Punch The st...

Page 253: ...Margin Adjust the fog level on the background ATDC Level Setting Select the ATDC control level with the corresponding T C ratio AE Adjust Adjust the AE Reference Stabilizer If an image failure is not rectified even with Gradation Adjust select Reset and Stabilizer Mode If Reset and Stabilizer Mode is run run Gradation Adjust after the sequence has been completed ATDC Toner Supply If T C is lower t...

Page 254: ... the IR serial number has been input data is transmitted to the copier Tel Input Enter the telephone number that will appear on the Touch Panel when a malfunction occurs in the copier Procedure 1 Enter the phone number from the 10 Key Pad Use the Interrupt key to enter a hyphen 2 Touch END to validate the phone number setting FLS Paper Set the size for FLS Book Erase Center Adjust the center erase...

Page 255: ...h Panel when the replacement time arrives depending on the setting Example Toner To be replaced by User A message that prompts the user to change the Toner Bottle appears To be replaced by Service A message that tells the user to call the Tech Rep appears Highlighted Unit To be replaced by Toner Service Waste Toner Bottle User Service Fusing Web Unit User Service Oil Coating Unit User Service Fusi...

Page 256: ...heets of paper fed from the 1st Drawer No of sheets of paper fed from the 2nd Drawer No of sheets of paper fed from the 3rd Drawer No of sheets of paper fed from the 4th Drawer Display Description ADF Feed ADF Rev Sorter Finisher Staple Punch LCC Parts1 LCC Parts2 No of sheets of paper fed through the ADF take up section No of sheets of paper fed through the turnover unit of the ADF No of sheets o...

Page 257: ...been used Display Display 1st 2nd 3rd 4th Manual Vertical Transport Secondary Transfer Fusing Unit Exit LCC Feed LCC Movement Duplex Transport Duplex Horizontal Transport Display Sorter Finisher Trans Sorter Finisher Exit Staple ADF Display Description C0000 1 C0010 1 C0012 3 C0014 5 C0016 7 C0040 C0046 C004C Trans Motor Cyan PC Motor Magenta PC Motor Yellow PC Motor Black PC Motor Suction Fan Fus...

Page 258: ...n LCC Finisher Sorter Trans Staple Unit CD direction Finisher Alignment Finisher Staple Transport Exit Display Description C0B4A C0B5 C0B7 C0B8 C0BAXX C0F30 1 A C0F32 3 B C0F34 5 C Finisher Staple Transport Receipt Staple Unit Rotation Punch Shift Finisher Elevator Tray Cyan ATDC Sensor Magenta ATDC Sensor Yellow ATDC Sensor Display Description C0F36 7 D C13C8 C13CA C13CB C13CC C13D1 C13D2 C13D3 B...

Page 259: ...e Interrupt key to undo the clearing operation restoring the original value 3 Enter the value from the 10 Key Pad 4 Touch END Touch Panel Display Setting I O Check The following functions are used to locate the faulty spot Shows the states of the I O ports when the copier is in the standby state For details see TROUBLESHOOTING Table Use this function to show the output values of the developing bia...

Page 260: ...isplays the mounting of optional memories Color Shift Displays the amount of correction for color shift IU Lot No Displays the lot number for each of C M Y and Bk IUs Display Description ATDC C ATDC M ATDC Y ATDC Bk AIDC1 AIDC2 Temp Upr Temp Lwr ATDC Sensor cyan ratio ATDC Sensor magenta ratio ATDC Sensor yellow ratio ATDC Sensor black ratio AIDC Sensor output value 1 V AIDC Sensor output value 2 ...

Page 261: ...uch Panel Display Setting Tech Rep Choice Displays the screens used to adjust Original Stop Position Adjust the document stop position in each of the ADF modes Registration Loop Set the length of the loop to be formed in paper before the Registra tion Rollers I O Check The following functions are used to locate the faulty spot Shows the states of the I O ports when the copier is in the standby sta...

Page 262: ...DT ID TEL No Setting Modem Mail Address Setting e mail DT Setting Mainte RAM Clear YES NO Mainte Center e mail Modem CT ID DT ID TEL No Setting Modem Mail Address Setting e mail Initial Transmission Setting Modem DT Setting Billing RAM Clear YES NO Billing Center ID Code Call Completion Common DT Setting Modem Dial Mode Tone Pulse Auto Receive YES NO Date Time RD Mode Initial Transmission Setting ...

Page 263: ...itializes the Data Terminal settings Mainte Center Displays the various setting screens ID Code Enter the ID code Procedure 1 Touch the ID Code key 2 Enter the ID code from the 10 Key Pad 3 Touch the ID Code key This executes the transmission of MAINT START to the Center DT Setting Displays the setting screens for CT ID DT ID and telephone number The mail address is also displayed if e mail is set...

Page 264: ...loaded 2 Select the desired function 3 Press the Start key Touch Panel Display Setting The default is Date Time Set Set the date and time of day for Date Printing Common DT Displays the screens for communications settings Dial Mode Sets the type of telephone line of the user Auto Receive Sets the auto reception function Touch Panel Display Setting Image Processing Produces a list of image related ...

Page 265: ...er Size PRT Highlight Marketing Area Background Voltage Serial ATDC Level Setting Fuser Oil Choice VB Shift Fuser Oil Change AE Adjust Fuser Speed Table AIDC Offset PC dev Status Transfer Output Bk Toner Sup Status Feed Motor Speed Temp Humidity PRT Area Top Margin CCD Check PRT Area Left Margin ROM Version PRT Area Dup Left Margin Gradation Adjust Transfer Timing Stabilizer Trouble Loop Adjust Co...

Page 266: ...Gradation Pattern Use to output a gradation pattern Used to check for gradation reproduction on the engine side Halftone Use to output a halftone pattern Used to check for uneven density uneven pitch and image noise on the engine side Lattice Pattern Use to output a lattice pattern Used to check for fine line reproduction and toner scattering on the engine side Solid Pattern Use to output a solid ...

Page 267: ... the Touch Panel 5 1 Touch Panel Correction Mode Screen 5 2 Touch Panel Correction Mode Setting Procedures Procedure 1 Press the following keys in this order Stop 0 Stop 3 2 Sequentially touch the four points marked with on the screen NOTE Lightly touch the one dot portion at the exact center of the marking using the tip of a pen or similar object 4004P031CA ...

Page 268: ...ITY MODE Allows the Tech Rep to set the various counters 6 1 Security Mode Screen 6 2 Security Mode Setting Procedures Procedure 1 Show the Tech Rep mode menu screen 2 Press the following keys in this order Stop 9 3 Select the particular function Exiting the Mode Press the Menu key 4004P032CA ...

Page 269: ...een according to the type of vender mounted on the copier Highlighted No Count A3 B4 11 17 Legal A3 B4 FLS 11 17 Legal A3 11 17 1 Copy per 1 copy cycle Mode 2 Multiple count up according to paper size 1 2 sided copying Mode 1 Count up Table 0 No count 1 1 count 2 2 counts 4 4 counts Copying 1 Sided 2 Sided Size Sizes Other than those set Set sizes Sizes Other than those set Set sizes Total Mode Mo...

Page 270: ...ime Input mode Screen 7 2 Date Time Input Mode Setting Procedure Procedure 1 Press the following keys in this order Stop 1 1 4 4 Clear 2 Enter year month day hour and minute in that order from 10 key Pad 3 Make sure that correct figures have been entered and then touch OK NOTE When setting the month day hour or minute enter 0 first if the data one digit 4004P033CA ...

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Minolta CF1501, Service Manual

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