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II–312

Appendix C

Belt Removal Procedures

6.

Remove the screws (4) securing the belt clamp plates (2 sets), then
remove the two sets of belt clamp plates from around the belts, as shown
below.

7.

Remove the tension adjustment nuts (4), the tension adjustment brackets
(2), and the springs (2). Then remove the two elevator upper pulley
assemblies with attached belts from the elevator top channel, as shown
above.

8.

Remove the screws (4) securing the elevator top channel to the stacker
base assembly, then remove the elevator top channel, as shown above.

CAUTION

Be careful not to damage the wiring during removal or replacement.

9.

Remove the elevator carriage assembly and the two elevator upper pulley
assemblies with attached belts by pulling them upward from the stacker
base assembly, as shown above.

Screws (4),
in step 8

Screws (4),
in step 6

Tension Adjustment Nuts (4)

Springs (2)

Elevator Top Channel

Belt Clamp Plates (2 sets)

Elevator Upper
Pulley
Assemblies (2)

Stacker
Elevator
Belts (2)

Elevator
Carriage
Assembly

Stacker Base Assembly

Tension
Adjustment
Brackets (2)

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Summary of Contents for L5535

Page 1: ...Maintenance Manual Volume II of II L5535 Multifunction Printer...

Page 2: ......

Page 3: ...Maintenance Manual L5535 Multifunction Printer Volume II of II...

Page 4: ...rk of PKWARE Inc This product uses Intellifont Scalable typefaces and Intellifont technology Intellifont is a registered trademark of Agfa Division Miles Incorporated Agfa CG Garth Graphic Intellifont...

Page 5: ...any damages whether direct indirect incidental or consequential in connection with the furnishing distribution performance or use of this material The information in this manual is subject to change...

Page 6: ......

Page 7: ...election I 32 Unpacking And Leveling I 35 Cable Connections I 37 Power Cord I 37 Interface Cable I 40 Installing The First Photoreceptor Drum I 41 Adding The Developer I 47 Installing The Developing U...

Page 8: ...ection I 108 Cut Sheet Paper Jams I 111 Paper Jam At The Back Of The Paper Cassette I 111 Paper Jam In The Transport Input Section I 112 Paper Jam In The Transport Output Section I 114 Paper Jam In Th...

Page 9: ...Fail I 151 Error Code 1F Fuser Failure I 151 Error Code 20 Fuser Lamp Overheat I 152 Error Code 26 No Cleaning Unit I 153 Error Code 28 Waste Toner Full I 153 Error Code 29 No Waste Toner Box I 154 Er...

Page 10: ...gh Voltage Error I 170 Error Code 7D Separator Charger High Voltage Error I 170 Troubleshooting Other Symptoms I 171 Smell Of Toner I 172 Broken Fuser Unit Cover Glass I 173 Incomplete Fusing I 174 Pa...

Page 11: ...The Tractors I 215 Adjusting The Top of Form I 219 DC Power Supply Board Adjustments I 223 DC Power Supply Board Switches I 223 DC Power Supply Board Variable Resistors I 223 DC Power Supply Board Fu...

Page 12: ...nd Switches I 323 Gates I 331 Behind The Stand Cover I 332 Smoke Filter I 332 Flash Power Supply I 333 Capacitor I 340 Other I 344 Tractor Removal I 344 Paper Back Feed Sensor PBFS Top Of Form Sensor...

Page 13: ...II 114 Main Charging II 114 Exposure II 116 Developing Section II 117 Developing Unit II 117 Principles Of Developing II 118 Image Transfer Separation Section II 120 Transfer II 120 Separation II 120...

Page 14: ...itoring II 157 Developing Bias Adjustment II 158 Operational Sequences II 159 Electronics Initialization II 160 Mechanical Initialization II 161 Printing Operations II 162 Command Operations II 167 A...

Page 15: ...ic Principles II 242 Drive Principles II 243 Cassette Principles II 243 Control Principles II 244 Upper Level Lower Level Paper Size Sensor II 244 Paper Feed Cassettes II 245 Upper Level Lower Level P...

Page 16: ...274 Drive Principles II 275 Feed Roller And Transfer Belt II 275 Swinger II 277 Assisting Arms II 278 Elevator Table II 279 Control Principles II 280 Transfer Unit Paper Sensor Paper Moving Sensor PM...

Page 17: ...otor II 315 D Engine Checker II 319 Overview II 319 Connecting The Engine Checker II 320 Disconnecting The Engine Checker II 323 Using The Control Panel II 323 Operation II 324 Basic Menu II 325 Devic...

Page 18: ...Table of Contents...

Page 19: ...with locator arrows and letters NOTE For replacement procedures for consumables see the User s Manual For replacement procedures for nonconsumable items see Chapter 6 Replacement Procedures For mainte...

Page 20: ...6 Cut Sheet Feeder Assembly page II 54 Figure II 27 Front View Left Side page II 60 Figure II 28 MC PCBA page II 64 Figure II 29 PNE Paper Near End Sensor Assembly page II 66 Figure II 30 Controller M...

Page 21: ...II 21 Parts lists begin on the next page...

Page 22: ...II 22 Chapter 7 Illustrated Parts Breakdown Figure II 14 Front View of Printer 5 10 15 20 25 30 35 40 45 50 55 60 65 75 70 80 35loc1...

Page 23: ...703531 007 Cassette S250 B4 1 30 703531 008 Cassette S250 A3 1 35 703531 009 Cassette S250 Legal 1 40 703531 010 Cassette S250 Ledger 1 45 703531 011 Swing Plate 1 50 703531 166 Face Up Tray Assembly...

Page 24: ...II 24 Chapter 7 Illustrated Parts Breakdown Figure II 15 Printer Front Cover Assembly Open 22 20 15 10 5 22 55 25 30 40 45 50 35 65 60...

Page 25: ...it Rebuildable See Figure II 18 Item 5 For Details 1 22 703531 595 Latch Front Cover 2 25 703531 137 Transfer Assembly See Figure II 19 For Details 1 30 203283 001 Fuser Unit See Figure II 20 For Deta...

Page 26: ...II 26 Chapter 7 Illustrated Parts Breakdown Figure II 16 Developing Unit A 5 10 15 15 Ref A...

Page 27: ...em No Part No Description Figure II 16 Developing Unit Quantity per Assembly 5 705739 001 Developing Unit Rebuildable 1 10 703532 001 Toner Cartridge 1 15 703548 001 Developer Powder Bottle includes N...

Page 28: ...II 28 Chapter 7 Illustrated Parts Breakdown Figure II 17 Miscellaneous Details 5 10 15...

Page 29: ...II 29 Item No Part No Description Figure II 17 Miscellaneous Details Quantity per Assembly 5 705741 001 Main Charger 1 10 703531 118 Discharge LED Assembly Erase LEDs 1 15 705742 001 Precharger 1...

Page 30: ...II 30 Chapter 7 Illustrated Parts Breakdown Figure II 18 Cleaning Unit and Photoreceptor Drum 5 10...

Page 31: ...II 31 Item No Part No Description Figure II 18 Cleaning Unit and Photoreceptor Drum Quantity per Assembly 5 705740 001 Cleaning Unit Rebuildable 1 10 703535 001 Photoreceptor Drum 1...

Page 32: ...II 32 Chapter 7 Illustrated Parts Breakdown Figure II 19 Transfer Assembly Sheet 1 of 3 A 20 5 10 15 16 Item 16 is not part of this assembly 11...

Page 33: ...II 33 Figure II 19 Transfer Assembly Sheet 2 of 3 B A 28 29 26 27 26 27 25 26 27 30 30 30 31 31...

Page 34: ...II 34 Chapter 7 Illustrated Parts Breakdown Figure II 19 Transfer Assembly Sheet 3 of 3 B 55 65 60 45 40 45 35 50...

Page 35: ...03531 212 Transport Unit Shaft A Assembly 1 26 703531 554 Bearing Conveyer 2 27 703531 553 Holder Bearing 2 28 703531 224 Transport Unit Shaft B Assembly 1 29 703531 589 Stop Bracket 3 30 703531 035 T...

Page 36: ...II 36 Chapter 7 Illustrated Parts Breakdown Figure II 20 Fuser Unit Sheet 1 of 4 5 A...

Page 37: ...II 37 Figure II 20 Fuser Unit Sheet 2 of 4 A C 10 15 B D 16 17 40 45...

Page 38: ...II 38 Chapter 7 Illustrated Parts Breakdown Figure II 20 Fuser Unit Sheet 3 of 4 C B 20 25...

Page 39: ...II 39 Figure II 20 Fuser Unit Sheet 4 of 4 D 30 35 This view is rotated 180...

Page 40: ...II 40 Chapter 7 Illustrated Parts Breakdown Parts lists continue on the next page...

Page 41: ...bly This Assembly Includes Six Items 1 15 703531 066 Fuser Cover Glass 1 16 706309 001 Packing Fuser 2 Glass Frame BK 17 703531 165 Trigger Coil Assembly 20 703531 113 Connector Fuser FU Male 2 ea set...

Page 42: ...II 42 Chapter 7 Illustrated Parts Breakdown Figure II 21 Base WT Waste Toner Assembly 10 5 15 20 Item 20 is not part of this assembly...

Page 43: ...ion Figure II 21 Base WT Waste Toner Assembly Quantity per Assembly Base WT Waste Toner Assembly 5 703531 153 Sensor A PCBA 1 10 703531 106 Microswitch V 014 1C23 1 15 703531 154 Sensor B PCBA 1 20 70...

Page 44: ...II 44 Chapter 7 Illustrated Parts Breakdown Figure II 22 Back View of Printer 5 35 40 30 20 10 15...

Page 45: ...r Assembly 1 10 703531 202 Rear Cover Assembly Right 1 15 703531 201 Rear Cover Assembly Left 1 20 703531 206 Top Cover Holder C CK 1 30 See Figure II 23 For Close up Of Printer 35 705733 005 High Vol...

Page 46: ...II 46 Chapter 7 Illustrated Parts Breakdown Figure II 23 Back View of Printer Close up Sheet 1 of 2 10 15 5 20 25 30 35 36 A...

Page 47: ...II 47 Figure II 23 Back View of Printer Close up Sheet 2 of 2 75 65 60 55 45 40 120 115 110 95 80 85 90 100 A 50 70...

Page 48: ...56 001 Controller Module See Figure II 30 For Details 1 36 703531 164 Power Supply Harness Assembly 1 40 Bracket Assembly FU Fuser Unit Connector See Figure II 42 For Details 1 45 703531 163 Varistor...

Page 49: ...Power Supply L5035 L5535 behind blower See Figure II 36 For Details 1 95 DC Main Power Supply Assembly See Figure II 38 For Details 1 100 703531 147 Connector Assembly For Transfer Ozone not visible i...

Page 50: ...II 50 Chapter 7 Illustrated Parts Breakdown Figure II 24 Cut Sheet Output Assembly 5 25 10 20 15 10 15 10 REF...

Page 51: ...ut Assembly Quantity per Assembly 5 703531 221 Output Assembly Roller 8 1 10 703531 222 Output Assembly Roller 9 2 15 703531 226 Output Assembly Roller 12 7 20 703531 075 Sensor Photo Interrupter PHIN...

Page 52: ...II 52 Chapter 7 Illustrated Parts Breakdown Figure II 25 LED Print Head LED Array 5 10 15 20...

Page 53: ...ure II 25 LED Print Head LED Array Quantity per Assembly 5 703551 001 LED Print Head 240 DPI LED Array 1 10 703551 002 LED Print Head 300 DPI LED Array 1 15 703551 003 LED Print Head 400 DPI LED Array...

Page 54: ...II 54 Chapter 7 Illustrated Parts Breakdown Figure II 26 Cut Sheet Feeder Assembly Sheet 1 of 4 A 55 50 40 50 41 40 45 40 25 30 35 10 15 10 15 20 5 A C B D D E E...

Page 55: ...II 55 Figure II 26 Cut Sheet Feeder Assembly Sheet 2 of 4 B 64 62 62 61 5 65 60...

Page 56: ...II 56 Chapter 7 Illustrated Parts Breakdown Figure II 26 Cut Sheet Feeder Assembly Sheet 3 of 4 Ref 75 70 85 Ref 41 41 70 80 C...

Page 57: ...II 57 Figure II 26 Cut Sheet Feeder Assembly Sheet 4 of 4 D E Ref 10 11 Ref 15...

Page 58: ...II 58 Chapter 7 Illustrated Parts Breakdown Parts lists continue on the next page...

Page 59: ...ROM Option 1 1 35 703531 077 Harness Feed P004 Wire Harness 1 40 703531 054 Clutch Feeder 3 41 703531 525 Shaft Cut Sheet Feeder Gear 2 45 703531 075 Sensor Photo Interrupter PHINT ON1517LA A 1 50 70...

Page 60: ...II 60 Chapter 7 Illustrated Parts Breakdown Figure II 27 Front View Left Side Sheet 1 of 3 5 20 10 15 A B A C D B...

Page 61: ...II 61 Figure II 27 Front View Left Side Sheet 2 of 3 C 30 25 35 42 42 40 40 37 38 39...

Page 62: ...II 62 Chapter 7 Illustrated Parts Breakdown Figure II 27 Front View Left Side Sheet 3 of 3 D 45...

Page 63: ...t 1 20 703531 114 Tractor Set Left and Right 2 25 705733 009 Motor Assembly Drum L5035 L5535 1 30 703531 075 Sensor Photo Interrupter PHINT ON1517LA A 1 35 703531 041 Motor Assembly Tractor 1 37 70629...

Page 64: ...II 64 Chapter 7 Illustrated Parts Breakdown Figure II 28 MC PCBA 5...

Page 65: ...II 65 Item No Part No Description Figure II 28 MC PCBA Quantity per Assembly 5 705733 012 MC PCBA L5035 L5535 1...

Page 66: ...II 66 Chapter 7 Illustrated Parts Breakdown Figure II 29 PNE Paper Near End Sensor Assembly 10 5...

Page 67: ...7 Item No Part No Description Figure II 29 PNE Paper Near End Sensor Assembly Quantity per Assembly 703531 167 PNE Paper Near End Sensor Assembly 5 703531 154 Sensor B PCBA 1 10 703531 153 Sensor A PC...

Page 68: ...II 68 Chapter 7 Illustrated Parts Breakdown Figure II 30 Controller Module Sheet 1 of 3 10 15 20 25 5 35 30 40 35 Ref 65...

Page 69: ...II 69 Figure II 30 Controller Module Sheet 2 of 3 45 A A...

Page 70: ...II 70 Chapter 7 Illustrated Parts Breakdown Figure II 30 Controller Module Sheet 3 of 3 50 55 60...

Page 71: ...15 203593 001 SIMM DC Flash 32 MB Unprogrammed J12 Ref 15 203594 001 SIMM DC Flash 64 MB Unprogrammed J12 Ref 20 172206 001 SIMM VX Flash 4 MB Pre programmed J13 Ref 25 202412 001 SIMM VX DRAM 4 MB J1...

Page 72: ...II 72 Chapter 7 Illustrated Parts Breakdown Figure II 31 Head Blower Fan Assembly 5 10...

Page 73: ...II 73 Item No Part No Description Figure II 31 Head Blower Fan Assembly Quantity per Assembly 5 703531 104 Head Blower Fan 1 10 703531 001 LED Air Filter 1...

Page 74: ...II 74 Chapter 7 Illustrated Parts Breakdown Figure II 32 Developing Unit Drive Assembly 5 40 35 30 25 10 15 20...

Page 75: ...703531 218 Developing Drive Unit Gear 9 1 10 703531 134 Gear Assembly For Developing Drive Unit L5035 L5535 1 15 202834 001 Developing Drive Unit Gear 10 1 20 705733 011 Magroll Motor Assembly 1 25 70...

Page 76: ...II 76 Chapter 7 Illustrated Parts Breakdown Figure II 33 General Details Sheet 1 of 2 5 10...

Page 77: ...II 77 Figure II 33 General Details Sheet 2 of 2 15 15 20 25...

Page 78: ...II 78 Chapter 7 Illustrated Parts Breakdown Parts lists continue on the next page...

Page 79: ...mbly 5 703531 107 Cable Assembly Developing Unit I O 26 Harness Assy 1 10 Ref Drawer Harness Assembly 1 15 703531 075 Sensor Photo Interrupter PHINT ON1517LA A 2 20 703531 159 Transfer Elevator Motor...

Page 80: ...II 80 Chapter 7 Illustrated Parts Breakdown Figure II 34 Smoke Filter Box 5 10...

Page 81: ...II 81 Item No Part No Description Figure II 34 Smoke Filter Box Quantity per Assembly 5 703540 001 Smoke Filter Box VEFE Assembly 1 10 703531 116 Smoke Filter Blower Fan VEF0 Main Blower Fan 1...

Page 82: ...II 82 Chapter 7 Illustrated Parts Breakdown Figure II 35 Lamp Cooling Blower Fan AC Blower Assembly 5 10...

Page 83: ...o Part No Description Figure II 35 Lamp Cooling Blower Fan AC Blower Assembly Quantity per Assembly 5 703531 117 Lamp Cooling Blower Fan VEF1 AC Blower Assembly 1 10 706285 001 TC Sensor BK Blower The...

Page 84: ...II 84 Chapter 7 Illustrated Parts Breakdown Figure II 36 Flash Power Supply A 10 A...

Page 85: ...II 85 Item No Part No Description Figure II 36 Flash Power Supply Quantity per Assembly 705733 006 Flash Power Supply L5035 L5535 1 10 703531 561 Capacitor 1...

Page 86: ...II 86 Chapter 7 Illustrated Parts Breakdown Figure II 37 Miscellaneous Details 5 10...

Page 87: ...II 87 Item No Part No Description Figure II 37 Miscellaneous Details Quantity per Assembly 5 703531 147 Connector Assembly For Transfer Ozone 1 10 703531 163 Varistor High Voltage Cable 1...

Page 88: ...II 88 Chapter 7 Illustrated Parts Breakdown Figure II 38 DC Main Power Supply 10 15 20...

Page 89: ...rt No Description Figure II 38 DC Main Power Supply Quantity per Assembly 10 705733 007 DC Power Supply PCBA L5035 L5535 1 15 202836 001 Fan DC Power Supply L5035 L5535 20 202837 001 Relay DC Power Su...

Page 90: ...II 90 Chapter 7 Illustrated Parts Breakdown Figure II 39 Back View Left Side Sheet 1 of 5 5 10 15 C A...

Page 91: ...II 91 Figure II 39 Back View Left Side Sheet 2 of 5 A 45 40 20 25 30 30 35 B 21...

Page 92: ...II 92 Chapter 7 Illustrated Parts Breakdown Figure II 39 Back View Left Side Sheet 3 of 5 B 50 55 21...

Page 93: ...II 93 Figure II 39 Back View Left Side Sheet 4 of 5 C 60 65 70 80 75 85 90 95 90 95 100 D...

Page 94: ...II 94 Chapter 7 Illustrated Parts Breakdown Figure II 39 Back View Left Side Sheet 5 of 5 D 105 105 115 120 110 121 122...

Page 95: ...oid 1 1 55 703531 124 EGS2 Assembly Exit Gate Solenoid 2 1 60 703531 219 Exit Assembly Roller 14 1 65 703531 122 Gate Rear Block 1 70 703531 225 Exit Assembly Roller 11 1 75 703531 585 Exit Sensor EPS...

Page 96: ...II 96 Chapter 7 Illustrated Parts Breakdown Figure II 40 Drum Shaft Assembly and Belts 5 40 10 15 45 20 35 25 30 7 7 65 50 60 55 70...

Page 97: ...aner Drive 1 20 703531 031 Belt 60S3M264 1 25 703531 075 Sensor Photo Interrupter PHINT ON1517LA A 1 30 703531 133 Tension Pulley Drum Assembly 1 35 703531 144 Shaft Assembly Drum 1 40 703531 234 Hold...

Page 98: ...II 98 Chapter 7 Illustrated Parts Breakdown Figure II 41 Flash Duct Assembly 5...

Page 99: ...II 99 Item No Part No Description Figure II 41 Flash Duct Assembly Quantity per Assembly 5 703531 105 Fuser Cooling Fan 1...

Page 100: ...II 100 Chapter 7 Illustrated Parts Breakdown Figure II 42 Bracket Assembly FU Fuser Unit Connector 5 10 10...

Page 101: ...II 101 Item No Part No Description Figure II 42 Bracket Assembly FU Fuser Unit Connector Quantity per Assembly 5 703531 112 Harness Assembly Halogen 2 10 703531 142 Fuser Connector 2 ea set 2...

Page 102: ...II 102 Chapter 7 Illustrated Parts Breakdown Figure II 43 Back of Printer Left Side Sheet 1 of 6 1 1 G F E H A B...

Page 103: ...II 103 Figure II 43 Back of Printer Left Side Sheet 2 of 6 A 5 10 15 15...

Page 104: ...II 104 Chapter 7 Illustrated Parts Breakdown Figure II 43 Back of Printer Left Side Sheet 3 of 6 D C B 20 25 D C...

Page 105: ...II 105 Figure II 43 Back of Printer Left Side Sheet 4 of 6 E F 31 35...

Page 106: ...II 106 Chapter 7 Illustrated Parts Breakdown Figure II 43 Back of Printer Left Side Sheet 5 of 6 G 40...

Page 107: ...II 107 Figure II 43 Back of Printer Left Side Sheet 6 of 6 H 50 55 45 55 50 Ref 45 This view is rotated 180...

Page 108: ...II 108 Chapter 7 Illustrated Parts Breakdown Parts lists continue on the next page...

Page 109: ...errupter PHINT ON1517LA A 1 15 703531 106 Microswitch SW V 014 1C23 2 20 703531 129 Solenoid DS Assembly 1 25 703531 052 Separating Finger Assembly Separator Claw Shaft Assembly 1 31 705733 008 Sensor...

Page 110: ...II 110 Chapter 7 Illustrated Parts Breakdown...

Page 111: ...ler board or LVX040 controller The printing process is simple A host computer sends data to the printer which feeds that data to an LED printing system The LEDs create a latent image of the desired pa...

Page 112: ...presents more detailed operating principles for each printer section and for the paper feed and paper transport systems How Images Are Processed The L5535 printer is a page printer it receives data f...

Page 113: ...shown in the figure below the printing mechanisms are divided into five sections according to the printing processes 1 Photoconductive Section 2 Developing Section 3 Image Transfer Separation Section...

Page 114: ...ht Before beginning the printing process the drum must be electrically charged The neutral photoconductive drum rotates past the main charger which causes the drum surface to undergo a corona discharg...

Page 115: ...exposed portion high positive voltage Drum Surface Selenium Photoconductive Material Conductive Base Material Photoreceptor Drum LED Discharge Lamp Grid Main Charger Light Dark Low Positive Voltage H...

Page 116: ...the page received from the host computer is contained in random access memory RAM on the processor board The image data illuminates the LED array and the drum rotates to form an electrostatic latent i...

Page 117: ...he developing unit ages the carrier beads inside it smooth out and become less effective When you install new developer it will of course contain new carrier beads At this point the drum surface conta...

Page 118: ...to the developing roller The developing bias is obtained by superimposing a 1 5 kVp p 2 kHz AC bias upon a 300 V DC bias as illustrated in the following figure Developing Unit Toner Cartridge Toner Su...

Page 119: ...n the drum and the developing roller is weaker than the magnetic force between the toner and the inner pole magnet In this case the toner is returned to the developing roller rather than being attract...

Page 120: ...charger negatively charges the back of the paper This causes the toner on the drum surface to transfer to the paper Separation The drum surface areas to which no toner is attracted are positively char...

Page 121: ...e integrated into a single unit together with the paper supply guide and paper transport section keeps paper from following drum keeps paper from being attracted to drum Photoreceptor Drum Transfer Ch...

Page 122: ...es the need for fusing section warm up and covers a wide range of paper thicknesses and qualities Preheating The printer warms the toner and paper with a halogen lamp before exposing the paper to flas...

Page 123: ...g the drum the remaining toner is removed electrically The precharger forces all of the toner particles to be positively charged Drum Cleaning The remaining toner particles which have been positively...

Page 124: ...anisms The cut sheet paper feed and paper output sections are optional Paper Detection Fanfold Paper Detection The paper near end sensor is used to determine whether the fanfold paper is loaded Cutter...

Page 125: ...the cassette The available settings for the paper feed cassette are provided in the following table O plastic insert When the plastic inserts in the cassette contact the paper size sensors on the prin...

Page 126: ...d from the controller the fanfold paper set on the tractor is automatically advanced upon completion of drum cleaning and the image on the photoreceptor drum is transferred onto the paper while advanc...

Page 127: ...the LED array exposure sequence starts The transfer of the page of print data is initiated by the MC board asserting the VSYNC signal to the printer controller board The printer controller board respo...

Page 128: ...leading edge reaches the toner transfer point and stays there until printing is completed To prevent loss of data at the perforation in the fanfold paper mode the paper transport feed motor runs the...

Page 129: ...s directed downward When the paper output gate is down or closed and the face gate is in the upper position the output paper is oriented in the horizontal direction The paper output direction can be c...

Page 130: ...ends on whether cut sheet or fanfold paper is being printed For cut sheet paper paper parking occurs when the last printed sheet is output in the cut sheet mode and no more paper remains in the transp...

Page 131: ...er the error condition is cleared it is necessary to remove the paper from the tractors and reload it Elevator sensor EPS4 Elevator sensor EPS3 Cutter Elevator Sensor EPS4 Photoreceptor Drum Paper Bac...

Page 132: ...fer Conveyer Unit 1 Drum Motor DRM 2 Magroll Motor MRM 3 Sleeve Motor SLM 4 Toner Supply Clutch TSM 5 Main Unit Feed Motor FMT 6 Paper Output Gate Solenoid EGS 7 Face Gate Solenoid FGS 8 Transfer Elev...

Page 133: ...m Drive II 133 Drum Drive The photoreceptor drum is driven by the drum motor which also drives the drum cleaner conductive brush and recovery roller assembly Drum Cleaning Unit Pre Drum Roller Drum Mo...

Page 134: ...sleeve The magroll motor also drives the agitation roller via the inner pole magnet When the toner density sensor detects low toner density or the controller asserts a request for toner supply engine...

Page 135: ...ain unit feed roller is driven by the main unit feed motor which also drives the scuff and paper output rollers Scuff Roller Assembly Paper Output Roller Intermediate Roller Entry Roller Paper Output...

Page 136: ...r 8 Drive System Descriptions Gate Drive The two paper output path gates are driven by their respective solenoid coils Paper Output Roller Face Gate Paper Output Gate Paper Output Gate Solenoid Face G...

Page 137: ...e transfer elevator motor shaft rotate they cause the transfer unit to move up and down Tractor Drive The tractor is driven by the tractor motor The belts are critical for timing Transfer Elevator Mot...

Page 138: ...gizes the cutter solenoid When the cutter solenoid energizes it moves the paper retainer which presses the paper Together the paper retainer and the scuff roller assembly press the paper just before a...

Page 139: ...mechanically remove cut sheet paper as it leaves the drum This ensures that cut sheet paper separates from the drum as it leaves the transfer separator section The separator claws are driven by the s...

Page 140: ...Section Drive The cut sheet paper supply and feed rollers in the cut sheet feed section are driven by the cut sheet paper pickup motor and feed motor respectively Cut Sheet Supply Roller Cut Sheet Fee...

Page 141: ...sheet transfer sensor CWD 27 Paper feed sensor PFS27 for upper paper tray 28 NIP switch sensor T p 1 2 3 4 5 6 8 9 10 11 12 13 14 15 20 2122 23 24 25 26 27 16 18 7 Cut Sheet Paper Output Unit optiona...

Page 142: ...e of the sensor is determined by whether the receptor detects the light from the emitter The light is blocked from the receptor either directly by the paper via the paper near end sensor or indirectly...

Page 143: ...aper Near End Sensor This is a simple sensor consisting of a light emitter light source and receptor light detector It determines paper presence depending on whether the light path between the light e...

Page 144: ...ted with specified timing a Low level output is maintained However when pulse generation intervals become longer than specified the output goes High See Chapter 4 Troubleshooting for a list of the err...

Page 145: ...ly roller assembly Cut sheet feed motor DC motor Cut sheet paper feed roller assembly Magroll motor1 DC motor Developing roller inner pole magnet agitation roller and toner supply roller Sleeve motor1...

Page 146: ...When a motor is turned ON the pulses generated by the attached encoder are fed back into the PLL phase locked loop circuit in the driver circuit and are compared with the oscillation frequency of the...

Page 147: ...phases A and B detected by sensing elements A and B determine the rotating speed and direction The pulse trains phase Z detected by sensing element Z determine the rotation amount Four hundred pulses...

Page 148: ...ition Since the tractor motor needs to be precision controlled for paper loading or parking operations all its pulses are fed back to the MC software as opposed to the drum motor and main unit feed mo...

Page 149: ...dicated below When the transfer elevator motor forward rotation instruction pulse is fed while the transfer unit is in the lower position the motor rotates so that the transfer unit is lifted by cam a...

Page 150: ...uction pulse is fed in this state the motor reverses so that the transfer unit is lowered by cam action and when the tape blocks the light path between the light emitter and receptor of the transfer u...

Page 151: ...d by cutter sensor 1 the cutter motor signal goes Low to stop the motor When the High level cutter motor signal and Low level cutter motor rotation direction signal forward direction instruction are a...

Page 152: ...c intervals until the main charger turns OFF Note however that the surface potential target value Vc which is selectable from the panel etc ranges from above 45 V to below 70 V 45 V Vc 70 V and that t...

Page 153: ...he toner density monitoring interval is determined by the developer toner density monitoring interval setup command from the controller The interval setting is expressed by the full dot count the numb...

Page 154: ...oner hopper While toner particles are in contact with the detection surface this oscillator does not vibrate However if nothing is in contact with the detection surface due to toner level decrease in...

Page 155: ...and receptor is attached to the waste toner recovery unit When waste toner within the waste toner bottle blocks off the sensor light path the waste toner bottle full signal WTBF1 is asserted Waste To...

Page 156: ...pipe and a head cooling fan waits until the LED temperature falls below 45 C and goes into the online idling state to become ready to resume printing The LED head output light intensity will also lowe...

Page 157: ...mperature When the thermistor detects a temperature of 80 C or higher the printer stops printing and cools the fuser with the lamp cooling blower and fuser reflector plate cooling fan FCF The printer...

Page 158: ...e developing bias to be applied to the developing roller can be adjusted by varying the DC component with the developing bias potential setup command from the controller MC PCBA CPU Data Memory Develo...

Page 159: ...set Command Sent Mechanical Initialization Self Diagnostic Check Error Found Fault State Offline No Error Found Idling State Online Engine Operation Request Page Received Printing State Print Complete...

Page 160: ...s point the engine will be in a fault state because the CPRDY signal from the controller will not yet be asserted As a result the RDY signal from the engine will not be asserted RESET Engine After the...

Page 161: ...is performed to see whether the transfer unit is placed in the lower position If not the transfer unit is moved into the lower position Also the cutter is checked to see whether it is in its home posi...

Page 162: ...or to be cleared Printing Operations Start Conditions Printing starts when the controller asserts the PRNT print signal while the printer is in the online idling state Description Of Operations The pr...

Page 163: ...er of completed preprocessing and to make a request for image data At the same time the main unit feed motor vacuum fan motor and paper fanfolding unit optional start operations However the main unit...

Page 164: ...continuously operating as stated in step 3 10 VSYNC signal assertion stopped If the PRNT signal is not asserted by the controller at the time of LSCA signal assertion the printer concludes that print...

Page 165: ...tween the supply and feed rollers the registration clutch operates at regular intervals to activate the registration roller assembly When the paper passing through the registration roller section is d...

Page 166: ...he pages to be printed Note however that the conditions indicated in steps 7 and 9 continue If the controller does not assert the PRNT signal for the next page within the specified time after VSYNC si...

Page 167: ...r of output pulses of the encoder from the home position of the tractor motor 3 Sends the leading edge of the paper to the transfer point Sends the leading edge of the paper to the transfer point afte...

Page 168: ...Transfers to online idling state NOTE Commands to request this operation cannot be received unless the paper back feed sensor has detected paper Park Fanfold Paper 1 Checks whether or not there is rem...

Page 169: ...ack feed sensor has detected paper Insert Page Break On Fanfold Faper 1 Turns on the transport unit Activates the main unit feed motor high speed side and vacuum fan 2 Opens the face gate Opens the tr...

Page 170: ...II 170 Chapter 8 Operational Sequences...

Page 171: ...Cleaning Unit and Transfer Unit High Voltage Corona Power Supply Motors Clutches Solenoids etc Sensors and Actuators MC PCBA Mechanism Control Printed Circuit Board Assembly 9600 bps Serial Commands...

Page 172: ...Controller Module DC Power Supply see Print Engine Interconnection Diagram on following pages Back Plane 170274 001 To From Host Computer Controller Module 200 VAC to 240 VAC In Cable Assy 171225 001...

Page 173: ...II 173 Print Engine Interconnection Diagram Diagram continues on the next page...

Page 174: ...Heat 2 2 2 VEF0 Exhaust Smoke 2 2 2 2 TC SENS 2 2 LED Print Head Controller Module Control Panel see Printer Interconnection Diag on previous page see Printer Interconnection Diag on previous page CN1...

Page 175: ...upply Clutch TES Toner Empty Sensor TDS Toner Density Sensor 12 12 9 2 3 5 7 8 8 3 3 2 3 3 3 3 3 3 3 3 3 3 2 EPS3 EPS4 VAF Vacuum Fan HV Transfer Charger HV3 Separation Charger 4 2 2 12 12 2 2 2 LTS L...

Page 176: ...Encoder DCS SW Drum Cleaner Set Switch DME Drum Motor Encoder DRC Drum Counter DRL Developing Bias DRM Drum Motor DSPS Drum Surface Potential Sensor DSPS PCBA Drum Surface Potential Sensor Printed Cir...

Page 177: ...ker Main Breaker NP SW 1 Nip Switch 1 Paper Feed Cover Position Sense Switch NP SW 2 Nip Switch 2 Scuff Roller Position Sense Switch OP1 Option 1 includes Cut Sheet Feeder Unit and Cut Sheet Output Un...

Page 178: ...Clutch TULL Transfer Unit Lower Limit Sensor TUUL Transfer Unit Upper Limit Sensor VAF Vacuum Fan Assists Paper Feed VEF0 Ventilation Fan 0 Smoke Filter Blower Fan Exhaust Smoke Main Blower Fan VEF1 V...

Page 179: ...weak signal from the sensor then an absolute value circuit rectifies and smooths the signal before sending it to the MC board Finally an analog to digital A D converter on the MC board converts the s...

Page 180: ...sor HV1 CONT 0 to 12V HV1 REM Operational Amplifier Absolute Value Circuit A D Converter D A Converter Operational Amplifier Control Data 1 Byte Measurement Data 1 Byte Gate Array MC Board CPU Data Me...

Page 181: ...rieves the target data byte from the data memory and sends it to the developing bias control circuit on the MC board In the developing bias control circuit a digital to analog D A converter converts t...

Page 182: ...to 2000 Vp p at 10 5 KHz High Voltage Power Supply Developing Roller DRL CONT 0 to 12V DRL REM D A Converter Operational Amplifier Gate Array Control Data 1 Byte MC Board Data Memory CPU Controller C...

Page 183: ...ine if the controller issues a command to supply toner then the gate array asserts the toner supply clutch drive signal TSMO causing the toner supply clutch to engage for 1 second Further the controll...

Page 184: ...er Toner Density Sensor TDSD TSMO TES1 Toner Density Sensor Circuit Toner Supply Clutch Drive Circuit Rectifying Circuit Gate Array Signal Conversion Digital TDS TSM TES MC Board CPU Data Memory Contr...

Page 185: ...vider The resulting error voltage changes the motor drive voltage in such a way that the error voltage is minimized which causes the drum motor pulses to occur at the same rate as the standard pulses...

Page 186: ...is a drum count encoder that is directly connected to the drum axis When the count enable signal Count EN is asserted the drum counter counts pulses from this encoder 1 pulse per 1 rotation of the dr...

Page 187: ...e control output based on the deflection thereof When acceleration or deceleration is desired the command pulse stored in the program memory is compared with the encoder interrupt pulses When constant...

Page 188: ...r 400 DPI 500 sec in the case of 400 DPI the paper will advance 1 400 inch 0 0635 mm per 1 raster cycle The 4 bit data generated by the digital control circuit controls the tractor motor via the follo...

Page 189: ...analog switch connected to these variable resistors is switched accordingly by the PFEED positive rotation PBACK negative rotation or PDNT detent rotation signals and the proper control voltage is th...

Page 190: ...s to go slack near the perforation the rotation is set about 5 faster than that of the tractor motor or drum motor FEEDM Main unit feed motor drive signal FEEDMA Alarm to indicate abnormality in motor...

Page 191: ...ontrolled by the following circuit Transfer Elevator Motor Control Circuit Relay Drive Circuit 24V RY2 VA Current Switchover Current Driver TEMP1 TEMP2 TEMA11 TEMA10 TEMB11 TEMB10 Filter Comparator VB...

Page 192: ...5 A phase and 0 8 A phase The relationship between the comparator output voltage VA and the current detection voltage VB is as shown in the following graph The motor is a 2 phase excitation type and...

Page 193: ...e needs to raise or lower the transfer unit it outputs 100 pulses then verifies the position of the transfer unit by checking the upper or lower limit sensor Cutter Motor Control Circuit The cutter mo...

Page 194: ...hen CPS1 goes low the motor stops In any event when ON OFF is held low then Q3 and Q4 turn on which grounds both motor terminals through Q3 and Q4 and stops the motor Input Output Signals The followin...

Page 195: ...o Connection 22 No Connection 23 No Connection 24 No Connection 25 DIFF TXD Table II 24 Connector J3 Print Engine Connector Backplane Connector Pin Signal Name A1 RS A2 FPD0 A3 FPD3 A4 FPD6 A5 NSWRST...

Page 196: ...CA NPMOVE A21 RESV A22 NTOR PEN A23 RESV A24 SG A25 VCC A26 VCC A27 VCC A28 VCC A29 TESTMODE A30 SG A31 SG A32 SG B1 RD B2 FPD1 B3 FPD4 B4 FPD7 B5 NSWFF B6 NSWONLN B7 RESV B8 NKB NLDONLN B9 VCLK N B10...

Page 197: ...SG B18 SG B19 SG B20 SG B21 RESV B22 RESV B23 RESV B24 SG B25 SG B26 SG B27 SG B28 SG B29 SG B30 SG B31 SG B32 SG C1 E C2 FPD2 C3 FPD5 C4 RESV C5 NSWSTORE C6 NSWMENU C7 RESV C8 NLED NLDDATA C9 STA P...

Page 198: ...C18 NCMBSY C19 FPCLK NSCLK C20 FWREV C21 RESV C22 RESV C23 RESV C24 SG C25 VCC C26 VCC C27 VCC C28 VCC C29 SG C30 SG C31 SG C32 SG Table II 25 Connector J6 Diagnostic Port Pin Signal Name 1 EXT 5V 2 S...

Page 199: ...VCC 2 Signal Ground 3 No Connection 4 EXP N ID SEL 5 Signal Ground 6 No Connection 7 No Connection 8 EXP N DMA REQ0 9 EXP N DMA REQ1 10 Signal Ground 11 No Connection 12 EXP N INT 13 Signal Ground 14...

Page 200: ...D7 32 EXP D6 33 EXP D5 34 EXP D4 35 Signal Ground 36 EXP D3 37 EXP D2 38 EXP D1 39 EXP D0 40 EXP A15 41 EXP A14 42 Signal Ground 43 EXP A13 44 EXP A12 45 EXP A11 46 EXP A10 47 Signal Ground 48 EXP A9...

Page 201: ...or J15 Parallel Port Pin Signal Name 1 N STROBE 2 Signal Ground 3 P1 4 Signal Ground 5 P2 6 Signal Ground 7 P3 8 Signal Ground 9 P4 10 Signal Ground 11 P5 12 Signal Ground 13 P6 14 Signal Ground 15 P7...

Page 202: ...PTY 24 Signal Ground 25 SELECT 26 N INIT 27 N AUTOFEED 28 N FAULT 29 PI 30 Signal Ground 31 Signal Ground 32 No Connection 33 Signal Ground 34 N DP SEL 35 EXT 5V 36 N SELECT IN 37 HOST LOGIC H 38 N DP...

Page 203: ...output connectors on the MC board The tables that follow the diagram list for each input output connector all of the signals on the connector and their connector pin assignments CN2 CN3 CN4 CN5 CN12...

Page 204: ...2 4 DATA2 Data 2 5 DATA3 Data 3 6 DATA3 Data 3 7 DATA4 Data 4 8 DATA4 Data 4 9 SG Signal Ground 10 SG Signal Ground 11 CLOCK Clock 12 CLOCK Clock 13 SG Signal Ground 14 SG Signal Ground 15 LOAD Load 1...

Page 205: ...Pick Start 8 SG Signal Ground 9 PHSEC Paper Head Search 10 SG Signal Ground 11 P5 5V Power 12 EPS2 Exit Paper Sensor 2 13 SG Signal Ground 14 P5 5V Power 15 CWO Cover Window Open Switch 16 NC No Conn...

Page 206: ...und 7 P5 5V Power 8 CPS1 Cutter Position Sensor 1 9 SG Signal Ground 10 P5 5V Power 11 CPS0 Cutter Position Sensor 0 12 SG Signal Ground 13 P5 5V Power 14 EPS0 Exit Paper Sensor 0 15 SG Signal Ground...

Page 207: ...r CN7 Controller Interface Pin Abbreviation Signal Name 1 EPRDY Engine Power Ready 2 SG Signal Ground 3 RDY Ready 4 SG Signal Ground 5 SYNC Raster Synchronization 6 SYNC Raster Synchronization 7 VSYNC...

Page 208: ...deo Clock 24 VCLK Video Clock 25 NC No Connection 26 NC No Connection 27 NC No Connection 28 NC No Connection 29 NC No Connection 30 NC No Connection 31 STS Status Data 32 STS Status Data 33 CMD Comma...

Page 209: ...CN13 Pin Abbreviation Signal Name 1 PG Power Ground 2 SG Signal Ground 3 S24 24V Signal 4 HV1REM High Voltage 1 Remote Main Charger 5 HV1CNT High Voltage 1 Control Main Charger 6 HVREM High Voltage R...

Page 210: ...round Table II 37 Connector CN15 Pin Abbreviation Signal Name 1 S24 24V Power 2 DSPSA Drum Surface Potential Sensor A Output 3 DSPSB Drum Surface Potential Sensor B Sealed 4 SG Signal Ground 5 P24 24V...

Page 211: ...ower 6 TDSD Toner Density Down Sensor 7 TESI Toner Empty Sensor 8 S24 24V Power 9 S24 24V Signal Table II 39 Connector CN18 Pin Abbreviation Signal Name 1 P24 24V Power 2 SLM Sleeve Motor Table II 40...

Page 212: ...ter Table II 42 Connector CN21 Pin Abbreviation Signal Name 1 PNEP Paper Near End LED Power 2 PNEO Paper Near End LED Output 3 P5 5V Power 4 PNEI Paper Near End Input 5 PNES Paper Near End Sensor 6 SG...

Page 213: ...eviation Signal Name 1 TEMCA Transfer Elevator Motor Current Phase A 2 TECMB Transfer Elevator Motor Current Phase B 3 TEMA0 Transfer Elevator Motor A0 4 TEMA1 Transfer Elevator Motor A1 5 TEMB0 Trans...

Page 214: ...ate Solenoid Open 12 FGSLC Face Gate Solenoid Close 13 NC No Connection Table II 46 Connector CN26 Pin Abbreviation Signal Name 1 P5 5V Power 2 EPS3 Exit Paper Sensor 3 3 SG Signal Ground 4 P5 5V Powe...

Page 215: ...CN28 Pin Abbreviation Signal Name 1 P24 24V Power 2 P24 24V Power 3 P24 24V Power 4 PG Power Ground 5 PG Power Ground 6 PG Power Ground 7 PG Power Ground 8 N24 24V Power 9 P5 5V Power 10 SG Signal Gro...

Page 216: ...main board in the DC power supply The tables that follow the figure list for each input output connector all of the signals on the connector and their connector pin assignments 5 DBIALM Developing Un...

Page 217: ...CON L Controller Module AC Output LINE 2 HAL L Halogen Lamp AC Output LINE 3 CON N Controller Module AC Output NEUTRAL 4 HAL N Halogen Lamp AC Output NEUTRAL Table II 53 Connector CN4 Pin Abbreviation...

Page 218: ...Halogen Lamp Control Signal Side 2 HAL Halogen Lamp Control Signal Side 3 BLW Cooling Blower Control Signal Side 4 BLW Cooling Blower Control Signal Side 5 MAIN Standby Switch Side 6 MAIN Standby Swi...

Page 219: ...CN10 Pin Abbreviation Signal Name 1 SG GND 2 SG GND 3 5VL 5 V Main 4 PG1 GND 5 PG1 GND 6 24VOP 24 V Option Option 1 Cut Sheet 7 24VOP 24 V Option Option 1 Cut Sheet 8 24VOP 24 V Option Option 1 Cut S...

Page 220: ...V LED Head 6 5VH 5 V LED Head 7 SG2 GND 8 SG2 GND 9 SG2 GND 10 SG2 GND 11 SG2 GND 12 SG2 GND Table II 62 Connector CN13 Pin Abbreviation Signal Name 1 SG GND 2 SG GND 3 5VL 5 V Main 4 PG1 GND 5 PG1 G...

Page 221: ...following signals are sent and received between the head driver and the LED array Signal Head Driver LED Array Clock CLOCK Data 1 Data 2 Data 3 Table II 63 Connector CN14 Pin Abbreviation Signal Name...

Page 222: ...of this machine is composed of 4 LED array blocks as diagrammed below The Data 1 through Data 4 signals transmit the illumination data to the LED chips individual light emitting diodes that make up t...

Page 223: ...array blocks on the printhead which are aligned in the direction of data shift The Strobe 1 signal lights LEDs in the first two LED array blocks and the Strobe 2 signal lights LEDs in the remaining tw...

Page 224: ...in Assignments Interface signals are assigned to MC board connector CN2 and LED array connector CN1 pins as follows Pin No Signal Pin No Signal 1 DATA1 2 DATA1 3 DATA2 4 DATA2 5 DATA3 6 DATA3 7 DATA4...

Page 225: ...SG2 11 SG2 12 SG2 Flash Power Supply Connection The flash power supply is connected to the MC board and to the DC power supply as shown in the following diagram AC In from Power Mains Circuit Breaker...

Page 226: ...d Alarm The Alarm signal indicates that an abnormality has occurred When an abnormality occurs within the flash power supply the supply asserts the Alarm signal The voltage goes high between the colle...

Page 227: ...s as follows Pin No Signal 1 P5 5 V Power 2 P5 5 V Power 3 CHON Charge on 4 TRG Trigger 5 RESET Reset 6 RESET Reset 7 ALARM Alarm 8 SG Signal ground 9 CHOK Charge OK 10 SG Signal ground 11 FLPC Flash...

Page 228: ...ng unit Signal MC board Developing unit Toner supply roller drive TSMO Toner density insufficient TDSD Density control voltage TDSC No toner detected TESI The following signals are sent and received b...

Page 229: ...sets the reference level for the toner density No Toner Detected TESI This is a signal from the toner empty sensor which is a piezoelectric vibrator element in the toner hopper The signal indicates w...

Page 230: ...nnector CN17 and the developing unit interface connector pins as follows Developing Unit Connector Pin No Signal 1 GND 2 NC 3 TDSC 4 GND 5 TSMO 6 FG 7 VDD S24V 8 TDSD 9 TESI 10 VDD S24V 11 VDD S24V 12...

Page 231: ...connected to the MC board and to the various areas of the printer that require high voltage as shown in the following diagram High voltage Power Supply Drum Cleaner Semiconducting Brush Drum Cleaner R...

Page 232: ...current supplied to the main charger based on the signal from the drum surface potential sensor As the voltage of the main charger current control signal varies from 0 V to 12 V the output current va...

Page 233: ...as control signal sets the magnitude of the DC component Developing Bias Control The developing bias control signal sets the voltage of the DC component applied to the developing roller based on data...

Page 234: ...SG 3 24V 4 HV1 REM 5 HV1 CONT 6 HV REM 7 HV2 REM 8 V REM 9 DRL REM 10 DRL CONT 11 HV3 REM 12 HV UN ALM 13 GND Frame ground on CN1 NC on CN13 Interface signals are assigned to the MC board high voltag...

Page 235: ...ing illustrations Front Side Lower Level Paper Empty Sensor PES2 Upper Level Paper Empty Sensor PES1 Carry Out Rollers Cassette Setter Cassette Support Paper Guide Upper Level Paper Size Sensor In the...

Page 236: ...236 Appendix B Physical Description Back Side Cut Sheet Feeder Roller Paper Register Sensor PRS Register Roller Paper Register Clutch PRC Paper Timing Sensor PTS...

Page 237: ...Pickup Motor PPM Upper Level Cut Sheet Pickup Clutch PPC1 Cut Sheet Feeder Motor PFM Lower Level Cut Sheet Pickup Clutch PPC2 Paper Register Clutch PRC Paper Guide Interlock Switch ICIL Cut Sheet Pic...

Page 238: ...238 Appendix B Paper Feed Cassette Paper Feed Cassette Hopper Stopper Top Cover Plastic Inserts Hopper Hopper Pin...

Page 239: ...it by hooking the hooks on the front and rear ends of its frame onto the printer frame 2 Secure the flanges on the front and rear ends of the feeder frame to the printer frame with 2 bolts each Rear E...

Page 240: ...e the wire cover Pass the wires going to the front cover interlock switch and to the control panel underneath this cover then install the wire cover Wire Cover Wire going to the Operation Panel wire g...

Page 241: ...Connections Connect the cut sheet feeder unit to the MC board and DC power supply board as shown below Cut Sheet Feeder Unit Feeder PCBA with ROM Option 1 J60101 J03102 Part of CN3 MC PCBA Print Engi...

Page 242: ...IPS 20 22 Upper level Lower level paper size sensors PES1 PES2 Upper level Lower level paper empty sensor PPM Cut sheet pickup motor PME Cut sheet pickup motor encoder PPC1 PPC2 Upper level Lower lev...

Page 243: ...r via the paper register clutch Cassette Principles Inside the paper supply cassette there is a metal plate hopper which presses the paper against the carry out roller When no cassette is set this hop...

Page 244: ...the upper sensor and the lower sensor consists of a PCBA with three switches mounted on it There are seven paper sizes including no cassette installed The feeder determines the paper size by detectin...

Page 245: ...c inserts in the cassette contact the paper size sensors on the printer the printer determines that the paper cassette is in position and identifies the paper size The available settings for the paper...

Page 246: ...eed Sensor PFS Paper Register Sensor PRS These sensors are photointerrupters located partway in the paper transport path When paper passes through one of these areas the paper pushes the lever to one...

Page 247: ...n signal which affects printing quality The paper timing sensor consists of an LED light emitter and receptor on the same side of the transport path When paper passes through this area the paper refle...

Page 248: ...ating slotted plate The rotational speed of the cut sheet pickup motor need not be extremely precise Therefore a PWM Pulse Width Modulation circuit is used to control the average voltage to the motor...

Page 249: ...that is created by light passing through the rotating slotted plate The rotational speed of the cut sheet feed motor need not be extremely precise Therefore the basic pulse string fed back to the PLL...

Page 250: ...ICIL This is a microswitch that detects whether the paper guide is open or not This switch is also interlocked with the cut sheet feeder 24 V system actuator drive system so that when this switch is o...

Page 251: ...ing on and timed out before PRS on Judgement timer setting 4000msec No cassette 66 There is no upper level paper feed cassette set IPS10 12 all off No paper 6F No paper in upper level cassette PES1 is...

Page 252: ...r settings A4 2260 msec Letter 2313 msec Legal 3550 msec B4 3624 msec A3 4120 msec Ledger 4225 msec Lodged jam 2 69 Too much time passed for the paper to move by the paper timing sensor PTS lodged jam...

Page 253: ...heet pickup motor PPM revolution abnormality monitor timer counted up during paper supply preparation operations Monitor timer setting 200msec Motor revolution abnormality 2 6D Revolution abnormality...

Page 254: ...the following main routine while waiting for the cassette specification command and the paper supply preparation start command to be transmitted from the printer Mechanism Initialization Analog Input...

Page 255: ...for the two motor encoders is determined by filter processing of the input port Status Confirmation Processing Data is detected from the sensors including motor encoders and if an error occurs abnorm...

Page 256: ...Output Unit Physical Description The front and rear views of the cut sheet output unit are shown in the following illustrations Front Side Paper Output Intermediate Guide Paper Output Guide Lever Pape...

Page 257: ...Physical Description 257 Rear Side Paper Output Roller Entrance Roller Intermediate Roller Cut Sheet Transport Path Open Sensor CWO Output Sensor 2 EPS2...

Page 258: ...up and Connections Setup 1 Install the cut sheet output unit by securing the flanges on the front and rear ends of the output unit frame to the printer frame with 2 bolts each Front End of Output Unit...

Page 259: ...Setup and Connections 259 2 Attach the entrance roller joint shaft then secure it with the E ring E ring Entrance Roller Joint Shaft Bearing E Ring S3M396...

Page 260: ...B Cut Sheet Output Unit Connections Connect the cut sheet output unit connector to the printer frame connector that connects to connector CN3 on the MC board Printer Frame Connector Cut Sheet Output U...

Page 261: ...utput paper sensor 2 EPS2 and the cut sheet transport path open sensor CWO The EPS2 sensor is a photointerrupter type which detects the presence or absence of paper This sensor allows the printer to d...

Page 262: ...262 Appendix B Cut Sheet Output Unit...

Page 263: ...views of the power paper stacker are shown in the following figures Front Output Side AUTO Key DOWN Key STOP Key HEAVY Key Hook Top Bottom Adjust Knob Head Tail Length Measuring Gauge in Inches Eleva...

Page 264: ...x C Physical Description Rear Input Side Hooks Assisting Arm Motor Assisting Arms Paper Surface Sensor 1 PSS1 Swinger Motor SM Elevator Motor Drive Gear Controller Board Paper Surface Sensor 2 PSS2 Sw...

Page 265: ...Front Interior II 265 Front Interior Paper Surface Sensor 1 PSS1 Paper Surface Sensor 2 PSS2 Safety Sensor SS1 behind panel Transfer Belt...

Page 266: ...ust be adjusted to the proper height and be leveled Failure to do this will damage both the printer and the stacker and will prevent installation or removal of the stacker 1 Install the power paper st...

Page 267: ...Setup II 267 Power Stacker Hook Printer Stud Printer Stud...

Page 268: ...d above the noise filter box on the printer main power supply 3 Attach the stacker ground wire to the correct printer ground terminal with a screw as shown 4 Install the remaining screws 2 and the cov...

Page 269: ...Connections II 269 Connections The paper stacker is connected to the printer as follows Print Engine MC PCBA CN4 PS PCBA CN13 Power Paper Stacker Controller Board J1 J2...

Page 270: ...II 270 Appendix C Removal Removal To release the stacker from the printer press the release lever located on the front side to remove the hooks from the studs Release Lever...

Page 271: ...ing after pressing the DOWN key DOWN Lowers the elevator until it reaches its maximum lower position or until the STOP key is pressed HEAVY ON equals Heavy Mode for thicker paper LED is lit OFF equals...

Page 272: ...ccumulates it on the elevator table Feed rollers transfer fan fold paper that is output from the printer After the paper moves between the feed rollers it is stacked on the elevator table by the actio...

Page 273: ...rforations The transfer belts press the paper stacking it on the elevator table As paper accumulates on the elevator table the table lowers to keep the height of the paper uniform NOTE The assisting a...

Page 274: ...witch PMS Transfer unit paper sensor LIMT2 Elevator minimum limit switch Paper moving sensor SEM Elevator motor SM Swinger motor EME Elevator motor encoder SPS Swinger position sensor ESWA Elevator AU...

Page 275: ...Feed Roller And Transfer Belt II 275 Drive Principles Feed Roller And Transfer Belt Both feed roller and transfer belt are driven by the stacker motor Feed Roller Stacker Motor Transfer Belt...

Page 276: ...II 276 Appendix C Drive Principles Also the space between the transfer belts can be adjusted by the top and bottom adjusting knob Transfer Belt Top and Bottom Adjusting Knob...

Page 277: ...Swinger II 277 Swinger The swinger is driven by the swinger motor Swinger Motor Swinger...

Page 278: ...s Assisting Arms The assisting arms are driven by the assisting arm drive motor NOTE The assisting arms are not activated when the head to tail length of the sheet is 7 to 8 5 inches Assisting Arm Mot...

Page 279: ...Elevator Table II 279 Elevator Table The elevator table is driven by the elevator motor Elevator Motor Elevator Table...

Page 280: ...e transfer unit paper sensor is a photointerrupter that is composed of a light emitter and receptor and a lever This sensor is located partway in the paper guide at the entrance of the power stacker W...

Page 281: ...paper fold falls on this belt and kicks the lever the light passing between the light emitter and receptor is blocked and the sensor turns on This sensor detects improper paper folding If either the o...

Page 282: ...e front side and rear side When paper stacking on the elevator table reaches the height of the sensors the light is blocked turning on the sensors These sensors control the height of the elevator tabl...

Page 283: ...are photointerrupter sensors each of which detects the position of the elevator table The stacker full sensor indicates that the amount of folded paper has reached the limit The elevator down sensor i...

Page 284: ...tect abnormal DC motor revolution Each sensor consists of a timing disk attached to the motor axis a light emitter and a light receptor The motor revolution is monitored by the length of time that blo...

Page 285: ...epping motor Each sensor consists of a slotted plate a light emitter and a light receptor The location of the slot as detected by the light emitter and receptor is set as the home position for that mo...

Page 286: ...MT2 These are limit switches that prevent the elevator table from rising too high or dropping too low If for some reason the elevator table rises abnormally high or drops abnormally low one of these s...

Page 287: ...s switch is turned off all motors are turned off except the elevator motor Elevator Keys ESWA ESWS ESWD ESWH These keys are used for operating the elevator Elevator AUTO Key ESWA This sets the elevato...

Page 288: ...etected elevator table Stacker not ready 57 Power stacker not ready Not auto mode 58 Power stacker not in auto mode Stacker lowest position 5C Elevator table in down position EDS detected elevator tab...

Page 289: ...uator driving subroutines are selectively executed only upon the power stacker receiving execution commands from the printer The timing for driving the various actuators is determined by the page last...

Page 290: ...between stop auto and down Also initializes the elevator motor during printer initialization Driving The Swinger Motor Initializes and terminates the swinger Executes normal action 1 2 inch feed actio...

Page 291: ...se order of the procedures described in this section Return the screws to their original positions as they may vary in type WARNING For safety always disconnect the power supply plug before removing p...

Page 292: ...Cover To remove the power stacker cover 1 Disconnect the connector that is connected to the stacker cover and remove knob D 2 Remove the screws 5 securing the stacker cover then pull the cover outwar...

Page 293: ...Inside The Left Frame II 293 Inside The Left Frame Tension Pulley Belt A Belt S S3M741 Belt C S3M825 Belt D S3M900 NOTE Some stacker units might appear slightly different in these areas...

Page 294: ...II 294 Appendix C Belt Removal Procedures 1 Remove Belt S slacken the belt by pushing the tension pulley to the right then remove the belt Belt S Tension Pulley...

Page 295: ...Frame II 295 2 Remove Belt A the belt that connects the stacker motor assembly output pulley to the large pulley turn the pulleys by hand and remove the belt Large Pulley Belt A Stacker Motor Assembl...

Page 296: ...Removal Procedures 3 Remove Belt C first remove the E clip Then remove the pulley by pulling it toward you Finally remove Belt C Pulley Belt C NOTE Some stacker units might appear slightly different...

Page 297: ...Inside The Left Frame II 297 4 Remove Belt D rotate the pulley by hand and remove it along with the belt Belt D NOTE Some stacker units might appear slightly different in these areas Pulley...

Page 298: ...ps 1 through 4 reinstall them in reverse order After replacing Belt D adjust its belt tension a Loosen screws A and B b Using a spring scale adjust screw A such that a tension of 6 oz deflects the bel...

Page 299: ...Inside The Right Frame II 299 Inside The Right Frame Belt E S3M825...

Page 300: ...Removal Procedures 1 Remove the E clip from the pin Detach the arm from the pin and tilt the arm in the direction of the arrow as shown 2 Remove the screw securing the plate then remove the plate Arm...

Page 301: ...Belt E 4 Remove Belt E first remove the E clip from the pulley Then remove the belt and the pulley together 5 Install the pulley the E clip and a new Belt E E Clip Belt E Pulley NOTE Some stacker uni...

Page 302: ...lt Removal Procedures 6 Place knob D shown on page II 292 on its shaft and rotate the knob fully clockwise Then place the pointer back on Belt E at the location where it points to the 12 on the scale...

Page 303: ...Swinger Belts II 303 Swinger Belts The swinger belts are located on the swinger and assist arm drive units two belts on each drive unit Assist Arm Drive Unit Swinger Drive Unit...

Page 304: ...II 304 Appendix C Belt Removal Procedures 1 On the swinger drive unit disconnect the connectors 2 then detach the cables from the cable clamps Connector Connector Swinger Drive Unit Cable Clamps...

Page 305: ...Swinger Belts II 305 2 Remove the E clip then remove the link arm from the slotted disc E Clip Link Arm Slotted Disc A A...

Page 306: ...II 306 Appendix C Belt Removal Procedures 3 Remove the screws 3 securing the swinger drive unit then remove the unit Screws 3 Swinger Drive Unit...

Page 307: ...4 On the assist arm drive unit disconnect the connectors 2 then detach the cables from the cable clamps 5 Remove the E clip on the arm then remove the arm Connector Connector Cable Clamps Assist Arm D...

Page 308: ...II 308 Appendix C Belt Removal Procedures 6 Remove the screws 3 securing the assist arm drive unit then remove the drive unit Screws 3 Assist Arm Drive Unit...

Page 309: ...swinger and the assist arm drive units remove the screws 3 E clip and bushing from the motor side of the plate Then remove the plate 8 Replace the two belts on each drive unit Screws 3 E Clip Bushing...

Page 310: ...ssembly to the table support arms 2 then remove the stacker table assembly 2 Remove the knob 3 Remove the screws 5 securing the stacker cover then pull the cover outward to remove it as shown above St...

Page 311: ...the two table support arms as shown below 5 Remove the screws 6 securing the stacker arm brackets 2 to the elevator carriage assembly then remove the two stacker arm brackets as shown above Screws 4...

Page 312: ...curing the elevator top channel to the stacker base assembly then remove the elevator top channel as shown above CAUTION Be careful not to damage the wiring during removal or replacement 9 Remove the...

Page 313: ...n pull the stacker elevator pulley pin out of the stacker elevator pulley bracket b Remove the stacker elevator pulley with attached stacker elevator belt from the stacker elevator pulley bracket c Re...

Page 314: ...the springs are very strong After making the adjustment lock the second nut to secure the adjustment VORSICHT Stellen Sie beim Installieren des oberen Liftantriebs die Zugmutter so ein da eine Kraft v...

Page 315: ...tacker motor connector from their mating harness connectors then detach the cables from the cable clamp A Stacker Motor Assembly Output Pulley Stacker Motor Assembly A Stacker Motor Assembly Sensor Co...

Page 316: ...II 316 Appendix C Belt Removal Procedures 2 Remove Belt S slacken the belt by pushing the tension pulley to the right then remove the belt Belt S Tension Pulley...

Page 317: ...pulley turn the pulleys by hand and remove the belt 4 Remove the E clip securing the stacker motor assembly output pulley then remove the output pulley 5 Remove the pin from the output pulley shaft t...

Page 318: ...securing the sensor to the stacker motor assembly 8 With a hex wrench loosen the set screws 2 securing the stacker motor gear then remove the gear 9 Remove the screws securing the stacker motor to the...

Page 319: ...ncoders alarm circuits and switches Also allows you to check the operation of output devices including motors solenoids fans and lamps Making Potentiometer Adjustments Volume Adjustments Allows you to...

Page 320: ...fore connecting the engine checker to the printer Use the following procedure to connect the engine checker to the printer 1 Turn off the printer power 2 If the left rear printer cover is on the print...

Page 321: ...t the engine checker harness connectors to MC board connectors CN2 and CN7 See Figure II 44 and Figure II 45 Figure II 45 MC Board Connector Locations CN2 CN7 MC PCBA Mechanism Control Printed Circuit...

Page 322: ...for messages in Japanese or to position 2 for messages in English See Figure II 46 6 Turn on the printer power Figure II 46 MC Board Rotary Switch SW1 SW1 Reserved Engine Self Test Position Test Print...

Page 323: ...the ribbon cables inside the printer to MC board connectors CN2 and CN7 5 If necessary replace the printer covers and the access panel on the left rear printer cover Using The Control Panel The engine...

Page 324: ...ons key Moves to a higher level in the menu structure key Moves to a lower level in the menu structure 0 9 Used to change the values of settings Operation When the printer is powered up with the engin...

Page 325: ...RUM TRANS CUTTER DEV WASTE T CLR ALARM SWITCH STACKER SURFACE POTENTIAL ERASER LAMP DRUM MOTOR FEED MOTOR TRACTOR MOTOR TONER DENSITY STACKER STRAIGHT TOP FACE UP TOP FACE DOWN BOTTOM FACE UP BOTTOM F...

Page 326: ...to check the status of input devices It reads sensors encoders and input signals for the transport unit drum transfer cutter developer waste toner clear alarm circuits and switches Figure II 49 is an...

Page 327: ...MIT S W BOAD SELECT JAM SENS LEVEL SENS 3 HEAVY S W DOWN S W STOP S W AUTO S W DEVICE CHECK OUTPUT SIGNAL INPUT SIGNAL TRANSPORT UNIT DRUM TRANS CUTTER DEV WASTE T CLR ALARM SWITCH STACKER MOTOR COUNT...

Page 328: ...sts DRUM FEED MAGROLL SLEEVE CUTTER DRUM COUNTER DRUM MOTOR FEED MOTOR MAGROLL MOTOR SLEEVE MOTOR CUTTER MOTOR DRUM COUNTER Press START Press START Press START Press START Press START Press START DRUM...

Page 329: ...UT GATE FACE GATE TONER SUPPLY SEPARATION CLAW SOLENOID CUTTER SOLENOID PAPER OUT GATE FACE GATE SOLENOID TONER SUPPLY CLUTCH SEPARATION CLAW SOLENOID DRIVING CUTTER SOLENOID DRIVING PAPER OUTPUT GATE...

Page 330: ...R COUNTER SOLENOID CLUTCH FAN BLOWER LAMP H V P S STACKER HEAD COOLING HEAD BLOWER VACUUM FAN FUSER R COOLING HEAD COOLING FAN HEAD BLOWER FAN VACUUM FAN FUSER COOLING FAN HEAD COOLING FAN DRIVING HEA...

Page 331: ...NOID CLUTCH FAN BLOWER LAMP H V P S STACKER Press START Press START Press START Press START Press STOP Press STOP Press STOP Press STOP ERASER LIGHT ERASER HIGH PRE HEAT FLASH ERASER LAMP LIGHT ERASER...

Page 332: ...Press START Press START Press START Press STOP Press STOP Press STOP Press STOP Press STOP Press STOP DEV BIAS TRNS CHGR SEP CHGR CLNNG BIAS MAIN CHGR PRE CHGR DEVELOPING TRANSFER CHARGER SEPARATION...

Page 333: ...nter a value Press START STOP to start and stop tests FEED MOTOR ELEVATOR UP ELEVATOR DOWN SWING GUIDE ASSIST ARM EXIT SOLENOID HEAVY LED AUTO LED STOP LED DOWN LED FEED MOTOR ELEVATOR UP ELEVATOR DOW...

Page 334: ...ey Example 2 To select an item menu scroll through menus until the target mode appears at the extreme left of the message display and press the key Example 3 To select a device scroll through menus un...

Page 335: ...sensor is on or off Paper at sensor No paper at sensor Driving Stopping A Device Output Device Check Use the engine checker to drive stop a device For example to start the drum motor the menu path is...

Page 336: ...UM MOTOR DRIVING MOTOR COUNTER DRUM OUTPUT SIGNAL MOTOR COUNTER DEVICE CHECK OUTPUT SIGNAL DEVICE CHECK INPUT SIGNAL INPUT SIGNAL TRANSPORT UNIT INPUT SIGNAL DRUM TRANS CUTTER DRUM ELV CUTTER DRUM ENC...

Page 337: ...left of the message display and press the key Following is a description of the adjustment modes To make the actual adjustments refer to Chapter 5 Adjustment Procedures Figure II 56 Volume Adjustment...

Page 338: ...ve the eraser lamp for high and normal light quantities measure the voltage and adjust the volume The menu path is BASIC MENU VOLUME ADJUSTMENT ERASER LAMP LIGHT ERASER LAMP LIGHT START STOP Sample me...

Page 339: ...ne checker to drive the tractor forward reverse and detent check how LEDs are lighting measure the voltage and adjust the volume The menu path is BASIC MENU VOLUME ADJUSTMENT TRACTOR MOTOR FWD TRACTOR...

Page 340: ...anfold paper is discharged straight or toward the stacker When discharged toward the stacker the stacker must be removed from the print engine The engine checker cannot drive the stacker Use the engin...

Page 341: ...wn in the bottom cassette Use the engine checker to select and move cut sheet paper The menu path is BASIC MENU BASIC OPERATION CUT SHEET TOP FACE UP TOP FACE UP OUT START STOP NOTE Remove the cassett...

Page 342: ...E For NVRAM values see the inspection sheet located inside the printer If there is no inspection sheet locate the serial number of the printer and contact Printronix Technical Support for the factory...

Page 343: ...f the message display and the setting value at the bottom A sample menu path is BASIC MENU MEMORY OPERATION FANFOLD PAPER XO Sample message When the cursor appears on the first digit of the displayed...

Page 344: ...II 344 Appendix D Memory Operation Menu...

Page 345: ...les I 40 Capacitor flash power supply I 340 Cassette paper jams at back of I 111 paper size I 59 II 125 II 245 Cautions and dangers I 19 Cleaning charges I 82 cleaning unit I 93 cut sheet option rolle...

Page 346: ...sheet Feeder Fail Error 63 I 162 Cut sheet Motor Fail Error 6D I 166 Cut sheet paper loading I 57 printing theory II 165 Cut sheet Paper Empty Error 6F I 167 Cut sheet Paper Skew Error 64 I 163 Cut S...

Page 347: ...ensity II 339 Tractor Motor II 339 Engine CPU Fail Errors 38 through 47 I 156 Engine interconnection diagram II 173 Eraser lamp engine checker II 338 MC board I 208 ERROR DC PROGRAM NOT VALID I 117 DR...

Page 348: ...Error I 168 7B Cleaning Bias High Voltage Error I 169 7C Developing Bias High Voltage Error I 170 7D Separator Charger High Voltage Error I 170 Error messages table I 116 ERROR OCCURRED FLUSHING QUEU...

Page 349: ...38 inside I 247 Front Cover Open Error 01 I 128 Fuser Failure Error 1F I 151 Fuser Lamp Overheat Error 20 I 152 Fuser reflector cooling fan FCF I 300 Fuser Supply Fail Error 1E I 151 Fuser temperature...

Page 350: ...rcuit MC board I 211 varistor I 304 Main Charger High Voltage Error Error 78 I 167 Main unit feed roller drive theory II 135 Maintaining print quality I 67 Maintenance log sheets I 68 schedules I 67 s...

Page 351: ...DBY I 122 TESTING HARDWARE PLEASE WAIT I 122 TRAY MISMATCH I 117 WAITING FOR PROGRAM DOWNLOAD I 122 Mnemonics interconnection diagram II 176 Motor cutter I 284 drum I 285 feed FMT I 289 feed encoders...

Page 352: ...nput section I 112 in transport output section I 114 near paper output section I 108 near tractor I 107 Paper near end sensor PNES I 347 photoemitting board I 347 photoreceptor board I 348 Paper outpu...

Page 353: ...dj I 106 Fanfold X Y Adj I 106 LED Factory I 106 LED Time I 106 Reset Stacker I 107 Surface Volts I 106 Printer features I 28 Printer options cut sheet feeder unit II 235 power paper stacker II 263 Pr...

Page 354: ...ator upper lower limit switches LIMT1 LIMT2 II 286 stacker full sensor SFS II 283 stacker jam sensor PPS II 281 stacker motor encoder SME II 284 stacker paper moving sensor PMS II 280 stacker paper su...

Page 355: ...52 Toner density control circuit II 183 control theory II 152 engine checker II 339 sensor MC board I 208 Toner Density Too High Error 2B I 155 Toner Density Too Low Error 2C I 155 Toner Empty Error 2...

Page 356: ...fan VAF transfer assembly I 276 Vacuum fan MC board I 212 Varistor main charger I 304 transfer transport unit I 279 Voltage setting power supply I 60 W WAITING FOR PROGRAM DOWNLOAD I 122 Waste toner b...

Page 357: ......

Page 358: ...86 171579 001D VOLUME II OF II Printronix Nederland BV P O Box 163 Nieuweweg 283 NL 6600 Ad Wijchen The Netherlands Phone 31 24 6489489 Fax 31 24 6489499 Printronix Schweiz GmbH 42 Changi South Street...

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