Ricoh G176 Service Manual Download

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Printing Process

SM 6-7

G176/G177/G176L

Det

ails

6.3.2 LASER EXPOSURE

Overview

1. LD unit

2. Laser shutter

3. Shield glass

4. Polygon mirror

5. F-Theta lens

6. Drum

7. Synchronization detector

8. Toroidal lens

9. 1st mirror

10. 2nd mirror

11. Detector mirror

Synchronization detector

: The 1st mirror, 2nd mirror, and the detector mirror reflect

the beam from the LD unit to the synchronization detector.

Two laser beams

: The LD unit writes two lines at the same time.

LD safety shutter

: When the user opens the front cover, the shutter closes and blocks

the laser beam path.

Summary of Contents for G176

Page 1: ...G176 G177 G176L SERVICE MANUAL 003037MIU...

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Page 3: ...G176 G177 G176L SERVICE MANUAL...

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Page 5: ...G176 G177 G176L SERVICE MANUAL 003037MIU...

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Page 7: ...RMISSION OF RICOH CORPORATION All product names domain names or product illustrations including desktop images used in this document are trademarks registered trademarks or the property of their respe...

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Page 9: ...tion Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program Untrained and uncertified users utilizing information contained in...

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Page 11: ...TNER LANIER RICOH SAVIN G176 P7031n LP131n SP 4100N MLP31n G177 P7035n LP136n SP 4110N MLP36n G176L P7031nL LP131nL Aficio SP 4100NL MLP31nL DOCUMENTATION HISTORY REV NO DATE COMMENTS 03 2007 Original...

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Page 13: ...Y UNIT INSTALLATION 1 4 1 3 1 INSTALLATION 1 4 1 3 2 CHECKING AND COMPLETING THE INSTALLATION 1 5 PREVENTIVE MAINTENANCE 2 PREVENTIVE MAINTENANCE 2 1 2 1 USER MAINTENANCE 2 1 2 2 SERVICE MAINTENANCE 2...

Page 14: ...FUSING UNIT 3 15 3 7 2 HOT ROLLER AND FUSING LAMP 3 16 3 7 3 PRESSURE ROLLER 3 18 3 7 4 THERMISTOR AND THERMOSTAT 3 18 3 7 5 HOT ROLLER STRIPPERS 3 19 3 8 PAPER FEED 3 20 3 8 1 PAPER FEED ROLLER 3 20...

Page 15: ...vice Mode 5 1 Setting a Service Program 5 2 Exiting Service Mode 5 2 5 2 PRINTER CONTROLLER SERVICE MODE 5 3 5 2 1 SERVICE MODE MENU 1 SERVICE MENU 5 3 5 2 2 BIT SWITCH PROGRAMMING 5 3 5 3 PRINTER ENG...

Page 16: ...ECHANICAL COMPONENT LAYOUT 6 1 6 1 2 PAPER PATH 6 2 6 2 BOARD STRUCTURE 6 3 6 2 1 BLOCK DIAGRAM 6 3 6 2 2 CONTROLLER BOARD 6 4 6 3 PRINTING PROCESS 6 6 6 3 1 OVERVIEW 6 6 6 3 2 LASER EXPOSURE 6 7 Over...

Page 17: ...ENTRANCE AND GUIDE SHAFT 6 26 6 5 4 PRESSURE ROLLER 6 27 6 5 5 NEW FUSING UNIT DETECTION 6 28 6 5 6 FUSING TEMPERATURE CONTROL 6 29 Overheat Protection 6 30 6 5 7 PAPER EXIT 6 31 6 5 8 ENERGY SAVER MO...

Page 18: ...onment 7 18 Novell Netware 7 18 SAP R 3 Environment 7 19 7 2 5 CONTROLLER INTERFACE SPECIFICATIONS 7 20 7 2 6 SUPPORTED UTILITIES 7 22 Bundled Utilities 7 22 Optional Utilities 7 22 7 3 MACHINE CONFIG...

Page 19: ...62 ENVELOPE FEEDER TYPE 400 REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES G893 DUPLEX UNIT AD1000 DETAILED DESCRIPTIONS SPECIFICATIONS TAB POSITION 2 TAB POSITION 1 TAB POSITION 3 TAB POSI...

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Page 21: ...mmable liquids gases and aerosols HEALTH SAFETY CONDITIONS Toner and developer are non toxic but if you get either of them in your eyes by accident it may cause temporary eye discomfort Try to remove...

Page 22: ...sing unit can only be repaired in a factory or at a location with the requisite equipment The laser subsystem is replaceable in the field by a qualified Customer Engineer The laser chassis is not repa...

Page 23: ...MS DOS are registered trademarks of Microsoft Corporation in the United States and or other countries PostScript is a registered trademark of Adobe Systems Incorporated PCL is a registered trademark o...

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Page 25: ...INSTALLATION SECTION 1 INSTALLATION REVISION HISTORY Page Date Added Updated New None...

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Page 27: ...imes hr person 1 Avoid areas that are exposed to sudden temperature changes This includes Areas directly exposed to cool air from an air conditioner Areas directly exposed to heat from a heater 2 Do n...

Page 28: ...he power source providing the clearance as shown below A Over 10 cm 4 inches B Over 10 cm 4 inches C Over 40 cm 15 8 inches D Over 10 cm 4 inches 1 1 4 POWER SUPPLY Make sure the plug is firmly insert...

Page 29: ...Feeder G362 Duplex Unit G893 Memory Unit Type C 128 MB G331 Memory Unit Type C 256 MB G332 Hard Disk Drive Type 2650 M311 IEEE 802 11b interface Unit Type H G813 1 IEEE 802 11b Interface Unity Type I...

Page 30: ...e the DOS Data Overwrite Security application has been moved with SP5873 1 If the machine is on turn off the main power switch 2 Disconnect the network cable 3 Turn the main power switch on 4 Turn the...

Page 31: ...diagnostic report must match The ROM number and firmware version number change after the firmware has been upgraded If the ROM numbers or version numbers do not match this means that the DOS unit type...

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Page 33: ...PREVENTIVE MAINTENANCE SECTION 2 PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added Updated New None...

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Page 35: ...machine For more see Printer Engine Service Mode The operation panel shows Replace Maintenance Kit when the PM counter reaches 90K After the user replaces the fusing unit in the maintenance kit the m...

Page 36: ...unter for the replaced part with SP7 804 Symbol key C Clean R Replace L Lubricate I Inspect Main unit Item 90K EM Quantity Remarks Paper Feed Paper Feed Roller R C 1 Clean with water Friction Pad R C...

Page 37: ...s Bushings Pressure Roller R 2 Fusing Entrance and Exit Guide Plates C 1 each Clean with water or alcohol Fusing Unit Ass y 110V 220 V R 1 Paper Tray Unit 90K EM Quantity NOTE Paper Feed Roller R C 1...

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Page 39: ...REPLACEMENT AND ADJUSTMENT SECTION 3 REPLACEMENT AND ADJUSTMENT REVISION HISTORY Page Date Added Updated New None...

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Page 41: ...arts 3 Unplug the power cord 4 Work on a flat and clean surface 5 Replace with authorized components only 6 Do not force plastic material components Make sure all components are returned to their orig...

Page 42: ...springs 3 Do not touch the fusing lamp and rollers with bare hands 4 Make sure that the fusing lamp is positioned correctly and that it does not touch the inner surface of the hot roller Paper Feed 1...

Page 43: ...that require grounding are properly grounded 2 Make sure the interlock switch is functioning 3 Do not leave unused solder or parts inside the machine 4 Do not leave any tools inside the machine 5 Mak...

Page 44: ...B6455010 SD Card 1 Common 2 B6456700 PCMCIA Card Adapter 1 Common 3 B6456800 USB Reader Writer 1 Common 4 VSSM9000 Digital Multimeter FLUKE 187 1 Common 5 A0069104 Scanner Positioning Pin 4pcs set 1...

Page 45: ...To open the front cover gently push the cover inward hooks x2 3 3 2 UPPER COVER A Open the front cover B Open the rear cover then remove the AIO C Open the exit guide plate D Operation panel 2 hooks E...

Page 46: ...ve the by pass tray unit before removing the exterior covers A By pass tray unit hooks x2 3 3 4 EXTERIOR COVERS To remove the left or right cover separate the machine from the optional paper tray unit...

Page 47: ...g the machine before attempting any of the procedures in this section Laser beams can seriously damage your eyes 3 4 1 CAUTION DECAL LOCATIONS 3 4 2 POLYGON MIRROR MOTOR Turn off the main switch and u...

Page 48: ...ror cover x 2 B Polygon mirror motor x 4 x 1 Never touch the surface of the mirror with bare hands 3 4 3 LASER SYNCHRONIZATION DETECTOR Upper cover See Upper Cover By pass tray unit See Bypass Tray Un...

Page 49: ...IT Upper cover See Upper Cover Exterior covers See Exterior Covers A Clip B Laser unit x 4 1 flat cable x 2 When reinstalling the laser unit Use the scanner positioning pins P N A0069104 to reinstall...

Page 50: ...ntil the unpainted portion of the screw is not visible After installing the LD unit check the test pattern for the final adjustment see the following procedure 3 4 6 LASER BEAM PITCH ADJUSTMENT 1 Prin...

Page 51: ...appear Argyle pattern The density of the diagonal lines is light or the lines have disappeared 3 Adjust the LD unit holder position Tighten or loosen the screw C see the previous page until the print...

Page 52: ...Laser Unit G176 G177 G176L 3 12 SM...

Page 53: ...Transfer Roller SM 3 13 G176 G177 G176L Replacement and Adjustment 3 5 TRANSFER ROLLER Remove the AIO A Transfer roller Do not touch the transfer roller surface...

Page 54: ...Toner End Sensor G176 G177 G176L 3 14 SM 3 6 TONER END SENSOR Remove the AIO A Toner end sensor hooks x4 x 1...

Page 55: ...acement and Adjustment 3 7 FUSING Allow time for the unit to cool before doing the following procedure 3 7 1 FUSING UNIT A Rear cover B Fusing unit hooks C x2 Lift both hooks before attempting to remo...

Page 56: ...unit assembly x 4 Springs x2 D Right cover x 1 E Lamp holders x 1 each Remove both springs before taking apart the fusing unit assembly The reason for this is to relieve pressure on the unit When rei...

Page 57: ...ing each D Hot roller 2 C rings 1 gear 2 bushings Before removing the hot roller from the unit remove the gear and the pin first Use a small screwdriver to separate the guide plate from the unit Befor...

Page 58: ...p See Hot Roller and Fusing Lamp A Pressure roller B Bushing C Pressure roller lever D Spring 3 7 4 THERMISTOR AND THERMOSTAT Hot roller and fusing lamp See Hot Roller and Fusing Lamp A Wire cover x 1...

Page 59: ...stat with your hands 3 7 5 HOT ROLLER STRIPPERS Hot roller and fusing lamp See Hot Roller and Fusing Lamp Two extra hot roller strippers A B are installed for a better grip on narrow paper This preven...

Page 60: ...Paper Feed G176 G177 G176L 3 20 SM 3 8 PAPER FEED 3 8 1 PAPER FEED ROLLER Pull out the paper tray before removing the paper feed roller A Paper feed roller...

Page 61: ...the machine before removing the friction pad A Friction pad 2 hooks 1 spring When reinstalling the friction pad follow this order 1 Replace the spring 2 Insert the right side of the friction pad first...

Page 62: ...Paper guide x 2 B Actuator C Clutch x1 D By pass feed roller When reinstalling the paper guide 1 Set the paper guide on the bushing 2 Install the right part of the actuator on the paper guide 3 Insta...

Page 63: ...controller board x 2 B NVRAM Remove the NVRAM from the old printer controller board and insert it on the new board The screws on the printer controller board are hand screws Gently turn these screws...

Page 64: ...er See Exterior Covers Printer controller board See Printer Controller Board A Bracket x7 1 grounding wire Be careful not to damage the flat cable B Clip C Engine board x4 all connectors Remove the NV...

Page 65: ...Main Motor SM 3 25 G176 G177 G176L Replacement and Adjustment 3 12 MAIN MOTOR Left cover See Exterior Covers A Main motor x4 x 1...

Page 66: ...3 26 SM 3 13 CLUTCHES Left cover See Exterior Covers A By pass feed clutch x 1 with clutch bracket holder B Stopper x 1 C Relay clutch x 1 x 1 D Paper feed clutch x 1 Main motor See Main Motor E Regi...

Page 67: ...eplacement and Adjustment 3 14 PSU HVPS Left cover See Exterior Covers Fusing unit See Fusing Unit A PSU cover x 2 B PSU assembly x 7 all connectors C High voltage supply board x 4 D 230 volt machine...

Page 68: ...G177 G176L 3 28 SM 3 15 COOLING FAN Right cover See Exterior Covers A Cooling fan x 2 x1 The cooling fan must be reinstalled in its original position Do not reinstall the cooling fan opposite to the o...

Page 69: ...TROUBLESHOOTING SECTION 4 TROUBLESHOOTING SC CODES REVISION HISTORY Page Date Added Updated New 17 07 31 2009 SC998 6 17 10 27 2009 Added deleted SC s...

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Page 71: ...the machine power off on B These SCs disable only the features that use the defective item The user does not see these SCs in usual conditions But they are shown on the operation panel when the defec...

Page 72: ...PWM duty output exceeded 60 for longer than 200 ms indicating a leak in the charge roller current Cartridge charge roller defective High voltage supply board defective Defective cartridge connection...

Page 73: ...The LD driver detected an error for 500 ms LD unit defective 2nd beam laser synchronization error 326 B With all doors closed the polygon motor is locked and not rotating or the laser synchronization...

Page 74: ...5 sec after the power relay switched on Note The machine starts to test the temperature 2 sec after the machine powers on if the machine temperature is above 45o C If the machine temperature is below...

Page 75: ...tervals within 60 to 90 sec before reaching fusing temperature Fusing thermistor defective Power supply board defective Defective connection of the fusing unit Zero cross signal error 547 B Zero cross...

Page 76: ...motors started to rotate within 10 sec after power on 610 B Communication error duplex unit Defective connection between engine board and duplex unit Engine board defective Duplex control board defec...

Page 77: ...The BCU failed to respond with the prescribed time when the machine was turned on Connections between BCU and controller board are loose disconnected or damaged Replace the BCU Replace the controller...

Page 78: ...you can read the error code The error code is not displayed on the operation panel 820 D Self Diagnostic Error CPU Controller board defective Software defective The central processing unit returned a...

Page 79: ...mand from the ASIC to the HDDs HDD defective 823 B Self diagnostic Error NIC Network interface board defective Controller board defective The network interface board returned an error during the self...

Page 80: ...an SMC report so you can read the error code The error code is not displayed on the operation panel The additional error codes 0F30 0F31 etc are listed in the SMC report 829 B Self diagnostic Error Op...

Page 81: ...s LAN card defective Wireless LAN card connection incorrect 856 B Wireless LAN error 4 An error was detected on the wireless LAN card 802 11b or Bluetooth Wireless LAN card defective PCI connector to...

Page 82: ...d failure The data written to the HDD cannot be read normally due to bad sectors generated during operation HDD defective Note If the bad sectors are generated at the image partition the bad sector in...

Page 83: ...he program on the SD card is incorrect then the checked program cannot execute and this SC code is displayed Program missing from the SD card Download the correct program for the machine to the SD car...

Page 84: ...detected that the HDD was not operating correctly at power on The machine detected that the HDD was not operating correctly could neither read nor write while processing incoming email HDD defective...

Page 85: ...om the HDD Note The source of this error is the Data Overwrite Security Unit B660 running from an SD card Turn the main switch off on and try the operation again 876 D Log data abnormal Software error...

Page 86: ...ion error was detected and operation cannot continue Software defective turn the machine off on or change the controller firmware Insufficient memory 921 Printer font error A necessary font is not fou...

Page 87: ...ion about the recently logged SC990 or SC991 including the software file name line number and so on 1 is the recommended method because another SC could write over the information for the previous SC...

Page 88: ...talled for another machine Contact system administrator Certificate auto renewal failed Automatic certificate renewal has failed Call your service provider Change Setting Tray Paper Size Paper Type Th...

Page 89: ...st interface network setup to change any of these addresses Error Enter 10 or 26 Characters Number of hex characters entered for the WEP key is incorrect Enter correct number of characters Error Enter...

Page 90: ...EEE 802 11b board Confirm that the board is installed correctly Invalid Data Power Off On Machine has received spurious data Turn the printer off on Invalid Password Try again The invalid password was...

Page 91: ...rom bypass tray jammed in duplex unit Misfeed Ppr Tray Check paper size Pull out Tray Paper is jammed in the duplex unit No Files exist No files available for deleting or printing This error displays...

Page 92: ...Open Duplex Unit cover Paper is jammed under the paper exit cover Remove and re install the duplex unit Remove any jammed paper from the duplex unit and under the rear cover Remove Misfeed Internal Pa...

Page 93: ...uires replacement Reset Fusing Unit correctly Fusing unit not set correctly or incorrect type installed Check the type of fusing unit installed Confirm that unit is installed correctly Reset Print Car...

Page 94: ...e machine off on SD card not set Contact admin The SD card for DOS is not set SSID not entered This message confirms that no ID has been entered Enter correct ID Supply order failed Call for supply or...

Page 95: ...allelogram Image Adjustment Do the following procedure if a parallelogram is printed while adjusting the printing registration using a trimming pattern Use the scanner positioning pin P N A0069104 for...

Page 96: ...per Open The paper overflow message is not displayed even when a paper overflow condition exists 17 8 Paper Overflow Shorted The paper overflow message is displayed Open The Paper Jam indicator will l...

Page 97: ...t for the main switch CN Component Condition Symptom Open The machine does not turn on 103 1 3 PSU 120V 101 1 2 PSU 230V Main Shorted The machine does not turn off Open The Front Cover Open message is...

Page 98: ...6L 4 28 SM Fuses North America Fuse Current Voltage FU1 15 0 A AC 100V 120V FU2 5 0 A AC 100V 120V FU3 4 0 A DC 5V FU4 4 0 A DC 5V Europe Fuse Current Voltage FU1 6 3 A AC 220V 240V FU2 3 15 A AC 220V...

Page 99: ...s at a regular interval in the sub scan direction 1 Measure the width of the interval between the streaks 2 Identify the component in the table below that is causing the problem based on the size of t...

Page 100: ...nt sub scan direction Registration clutch defective Replace registration clutch Multiple vertical stripes appear in areas of black coverage NIC defective Replace NIC Entire page appears gray text appe...

Page 101: ...SERVICE TABLES SECTION 5 SERVICE TABLES SP MODES REVISION HISTORY Page Date Added Updated New 65 01 02 2008 SP7931 005 78 12 12 2008 Removed SP8781...

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Page 103: ...RVIEW Entering the Service Mode There are two ways to enter the service mode Method 1 Fast Start Power Off Use this method to open the SP mode when you are turning the machine s power on This method b...

Page 104: ...plained above 2 The setting that appears on the display is the current setting Select the required setting using the Up Down arrow keys 3 Press the Enter key The previous value remains if the Enter ke...

Page 105: ...he desired bit switch then press Enter Move to the next switch 3 Adjust the bit switch using the following keys Move to the next bit Escape Exit without saving changes Enter Exit and save changes The...

Page 106: ...s with each key press DFU Denotes Design or Factory Use Do not change this value SP1 xxx Feed Lead Edge Regist Leading Edge Registration 1001 Adjusts the printing leading edge registration for feeding...

Page 107: ...002 004 Bypass Tray 1002 005 Duplex 40 to 40 0 1 Regist sag Registration Buckle Adjustment 1003 Adjusts the relay clutch timing at registration Relay clutch timing determines the amount of paper buckl...

Page 108: ...e 140 to 185 168 1 deg 1106 Fusing T Disp lay Displays the current fusing temperature OP LoopBack Check 1901 Do the loop back check to test the operation of the optional tray and duplexer Displays a b...

Page 109: ...4 X2FCL did not go OFF 5 X2MOTOR did not go ON 6 X2 MOTOT did not go OFF 7 X3FCL did not go ON 8 X3FCL did not go OFF 9 X3MOTOR did not go ON 10 X3MOTOR did not go OFF 11 D4 did not go LOW 1901 002 Op...

Page 110: ...r the power switch has been turned on or when the machine warms up from energy saver mode Normal There is no 20 sec warm up period However just after the main power switch is turned on the motor rotat...

Page 111: ...ned on a counter monitors the number of paper late jams that occur in the fusing unit After the 3rd occurrence of a fusing jam SC559 is issued and the machine cannot be used until the service technici...

Page 112: ...5 to 0 5 0 0 1 step Subscan Mag Sub Scan Magnification 2113 Adjusts the sub scan magnification 0 5 to 0 5 0 0 1 step Developer Bias 2201 Adjusts the development bias for printing 200 to 800 750V 10V s...

Page 113: ...tern Note If SP2902 is not reset to Not Specified the pattern will continue to print on every page of every page printed by the operator Pattern Not Specified Checker Flag Cross Stitch 2Dot Argyle Use...

Page 114: ...00 to 1000 200 100 ms step 3924 002 Toner End Threshold adjustment for toner end detection 100 to 1000 550 100 ms step Prevention of fi Prevention of Filming 3926 No Yes If set to Yes This is done eve...

Page 115: ...r end is detected there is a small amount of toner left in the AIO If a user wants to print with the AIO until all toner is used up then set this SP to 1 But then there is no toner end detection and t...

Page 116: ...e 0 enable Message displayed Default 1 disable Message not displayed Display IP add Display IP Address 5055 Switches the banner display of the IP address off and on 0 1 0 1 0 No 1 Yes For example if t...

Page 117: ...This SP lets you set these items Day and time to go forward automatically in April Day and time to go back automatically in October Set the length of time to go forward and back automatically The sett...

Page 118: ...Enable 003 Rule Set Start The start of summer time 004 Rule Set End The end of summer time UCodeCtrClr User Code Count Clear 5404 Clears the counts for the user codes assigned by the key operator to...

Page 119: ...04 MaintenanceKit A When switched on this function informs the Remote supply center that the maintenance kit requires servicing OFF ON 5507 009 Cartridge Alarm When switched on this function informs t...

Page 120: ...items 2 to 15 below 5801 002 Eng Memory Clr Initializes all registration settings for the engine and process settings 5801 003 SCS Initializes default system settings SCS System Control Service setti...

Page 121: ...s the DCS Delivery Control Service settings 5801 015 Clr UCS Setting Initializes the UCS User Information Control Service settings 5801 016 MIRS Setting Initializes the MIRS Machine Information Report...

Page 122: ...ex UnitSet Duplex Unit 5803 007 Fuser UnitSet Fusing Unit 5803 008 Fuser New New Fusing Unit Detection Note The fusing unit included in maintenance kit has a detection sensor This SP displays the sign...

Page 123: ...ens Paper feed sensor 1st Opt Paper Tray 5803 033 No3 Carry Sens Paper feed sensor 2nd Opt Paper Tray 5803 034 Tray2 PSize Paper size switch 1st Opt Paper Tray 5803 036 Tray2 RestSens Remaining paper...

Page 124: ...Opt Paper Tray 5804 028 No3 CL Paper Feed Clutch 2nd Opt Paper Tray 5804 029 Bank3 Motor Paper Tray Motor 2nd Opt Paper Tray 5804 041 Dplx Mt Normal Duplex Inverter Motor forward 5804 042 Dplx Mt Reve...

Page 125: ...e telephone number of the CE printed on the SP print mode printout 5812 2 Fax Tel No Use this to input the fax number of the CE printed on the SP print mode printout 5816 Remote Service I F Setting 58...

Page 126: ...RCG Connect Timeout 5816 008 Specifies the connect timeout interval when calling the RCG 1 to 90 10 1 second step RCG Write Timeout 5816 009 Specifies the write timeout interval when calling the RCG...

Page 127: ...5816 061 Cert Expire Tim ing DFU Proximity of the expiration of the certification 5816 062 Use HTTP Proxy This SP setting determines if the proxy server is used when the machine communicates with the...

Page 128: ...ssword 5816 066 This SP sets the HTTP proxy certification password The length of the name is limited to 31 characters Any character beyond the 31st character is ignored This name is customer informati...

Page 129: ...notified of the successful completion of this event 16 The storing of the certification has failed and the GW URL is being notified of the failure of this event 17 The certification update request ha...

Page 130: ...ven without the HDD installed 0 Not allowed update 1 Allowed update 5816 085 Firm Up User Che ck This SP setting determines if the operator can confirm the previous version of the firmware before the...

Page 131: ...number for the Remote certification Asterisks indicate that no DESS exists 5816 092 CERT Issuer Displays the common name of the issuer of the Remote certification CN the following 30 bytes Asteriskes...

Page 132: ...d device by the embedded RCG is being set In this status the embedded RCG device cannot be set 4 The registered module by the embedded RCG has not started 5816 202 Letter Number Allows entry of the nu...

Page 133: ...3 Proxy error proxy enabled 4 Proxy error proxy disabled 5 Proxy error Illegal user name or password 6 Communication error 7 Certification update error 8 Other error 9 Registration executing Error Co...

Page 134: ...managed 2394 Device not managed 2395 Box ID for External RCG is illegal 2396 Device ID for External RCG is illegal 2397 Incorrect ID2 format Error Caused by Response from GW URL 2398 Incorrect reques...

Page 135: ...vice center 00000000h to FFFFFFFFh 00000000h Paper Supply for DFU 5823 An Remote setting Not required for service technician 1 Bypass 2 Tray 1 3 Tray 2 4 Tray 3 5 Tray 4 NVRAMUpload 5824 Uploads the U...

Page 136: ...d For example if the 8 bit entry is 255 255 255 00 this is read FFFFFF00h 5828 003 IPv4 DefaultGate This SP allows you to confirm and reset the IPv4 default gateway used by the network for Ethernet an...

Page 137: ...o spooling 1 Spooling enabled 5828 066 HD job Clear This SP determines whether the job interrupted at power off is resumed at the next power on This SP operates only when SP5828 065 is set to 1 1 Resu...

Page 138: ...1b in the format Stateless Address Prefix Length The IPv6 address consists of a total 128 bits configured in 8 blocks of 16 bits each 5828 156 IPv6Manual Address This SP is the IPv6 manually set addre...

Page 139: ...ith the following characters 0123456789abcdefABCDEF 2 A colon is inserted as a delimiter every 4th hexadecimal character fe80 0000 0000 0000 0207 40ff 0000 340e 3 The notations can be abbreviated by e...

Page 140: ...subsequent login requests 00 to 11 00 1 Note There are four settings binary numbers 00 01 10 11 These settings are possible only after the wireless LAN card has been installed 00 1st key If the initi...

Page 141: ...decimal display 0000 to 9999 1 DFU Enter as a decimal number NCS converts the number to hexadecimal number recognized as the BCD Delivery Srv 5845 Provides items for delivery server settings 5845 003...

Page 142: ...ill continue to transmit over the network even if the network settings are incorrect This causes multiple errors of course With this SP off the machine will stop communicating with the network if the...

Page 143: ...the address book will prompt users that the address book is being updated This prevents the machine from issuing SC870 The machine initializes to determine if the address book is stored on the HDD or...

Page 144: ...5 Not Used 6 Not Used 5846 060 7 Not Used Complexity Opt1 5846 062 Use this SP to set the conditions for password entry to access the local address book Specifically this SP limits the password entry...

Page 145: ...ns for password entry to access the local address book Specifically this SP limits the password entry to numbers and defines the length of the password 0 to 32 1 Note This SP does not normally require...

Page 146: ...FFFFFFF 0 1 Log Type Job 2 DFU 5848 211 0 to 0xFFFFFFFF 0 1 Log Type Access DFU 5848 212 0 to 0xFFFFFFFF 0 1 5848 213 PrimarySrv DFU 5848 214 Secondary Srv DFU StartTime DFU 5848 215 0 to 0xFFFFFFFF 0...

Page 147: ...l counter 0 to 1 1 0 No Print 1 Print 5849 003 Total Counter The Counter Clear Day has been changed to Installation Date or Inst Date 0 Japan 1 Outside Japan 5851 Bluetooth 0 Public 1 Private Remote U...

Page 148: ...enerated by an event specified by SP5858 the files are erased when SP5857 010 or 011 is executed To enable this SP the machine must be cycled off and on FreeSpaceonSD 5857 013 Displays the amount of s...

Page 149: ...by copier engine errors 5858 002 SystemSC Error Stores SC codes generated by GW controller errors 5858 003 Any SC Error 0 to 65535 0 1 5858 004 Jam Stores jam errors 5859 LogSaveKey No 5859 001 Key 1...

Page 150: ...encryption 2 Encrypt 5860 007 POP Before SMTP Enable disable POP before SMTP If the SMTP server does not have authentication you can enable POP before SMTP them POP authentication is available SP 586...

Page 151: ...No This SP sets the number of the IMAP4 server port 1 65535 143 1 5860 016 SMTP Rcv Port No This SP sets the number of the port that receives SMTP mail 1 65535 25 1 5860 017 Receive Interval This SP...

Page 152: ...60 022 Determines whether the FROM item of the mail header is switched to the validated account after the SMTP server is validated 0 to 1 1 0 No From item not switched 1 Yes From item switched SMTP Au...

Page 153: ...disk MB that the machine uses to manage email sending and receiving 0 to 1 0 1 0 Use Allocates 46 MB for sending and 8 MB for receiving 1 Do not use 5869 002 Adjusts the RAM Disk size for the PDL sto...

Page 154: ...ta only security data in the NCS area or only security data in the UCS area 5876 001 All Clear 5876 011 Clear NCS Sec 5876 015 Clr UCS Sercurity Option Setup Data Overwrite Security DOS Setup 5878 Pre...

Page 155: ...one test pattern Cont Test 5902 002 Prints consecutive copies of the test pattern Plug Play 5907 Sets the brand name and the production name for Windows Plug Play This information is stored in NVRAM...

Page 156: ...he user replaces the fusing unit Yes Meter charge mode enabled This setting is for machines where the service technician has responsibility for servicing the machine Alert messages are not displayed w...

Page 157: ...r end and end alerts will not display Yes Near end and end alerts will display Important The setting of SP5930 003 is ignored unless SP5930 001 is set to Yes In order for the OPC alerts to display nea...

Page 158: ...ounter is not reset at PM 7401 SC Counter Displays the total number of service calls that have occurred Display range 0000 to 9999 7403 Latest10SCLog 7403 001 Latest 7403 002 Latest 1 7403 003 Latest...

Page 159: ...occurs when the paper remains at the sensor for longer than the prescribed time Display range 0000 to 9999 Error No Error 1 At Power On 17 Off 1 VerticalSN 18 Off 2 VerticalSN 19 Off RegistBypass 20 O...

Page 160: ...per size Jam History 7507 Displays the copy jam history in groups of 10 starting with the most recent 10 jams Display contents are as follows CODE is the SP7 504 nnn number SIZE is the ASAP paper size...

Page 161: ...G SEF A4 HLT LEF 2C LT SEF A6 A3 SEF 84 HLT SEF AC A4 SEF 85 Others FF A5 SEF 86 PM Counter 7803 Displays the PM counter This is not a page counter It estimates the page count using the engine rotatio...

Page 162: ...To reset press Enter Note This SP does not reset the jam history counter SP7 507 DiagResult 7832 Press Enter to display a list of error codes Nothing is displayed if no errors have occurred TotalMemor...

Page 163: ...7910 013 Duplex 7910 018 NIB 7910 132 Netware Opt 7910 150 RPCS 7910 151 PS 7910 158 PCL 7910 159 PCLXL 7910 180 FONT 7910 181 FONT1 7910 182 FONT2 7910 183 FONT3 7910 200 Factory 7910 202 Net File 7...

Page 164: ...910 013 Duplex 7910 018 NIB 7910 132 Netware Opt 7910 150 RPCS 7910 151 PS 7910 158 PCL 7910 159 PCLXL 7910 180 FONT 7910 181 FONT1 7910 182 FONT2 7910 183 FONT3 7910 200 Factory 7910 202 Net File 791...

Page 165: ...931 001 Machine ID Identification number of the machine Model Name 7931 002 Version Cartridge version number 7931 003 Brand ID Acquires value at 01H on the AIO ID chip and for the OEM brand displays 1...

Page 166: ...he code is a string of ASCII characters 7931 011 Maker ID Acquires values at 10H to 17H on the AIO ID chip and displays an ASCII string that identifies the manufacturer Note This data is originally en...

Page 167: ...the values at the AIO ID Chip addresses 38H to 33H and displays a number in the range 0 to 99999999 This is the total count at toner end 7931 017 Unit Counter Acquires the values at the AIO ID Chip ad...

Page 168: ...cations 020 021 022 023 The recycle count determines where the value is written The counter increments by 1 for every 6 sec of drum rotation time To calculate the actual time in sec multiply the displ...

Page 169: ...ount of the previous OPC Note The counter increments by 1 for every 6 sec of drum rotation time To calculate the actual time in sec multiply the displayed value by 6 Displays a 6 bit array that provid...

Page 170: ...red for the in the alert status at one or more of the bit positions below Bit What It Means 0 Toner near end 1 Toner end 2 Used toner near end 3 Used toner end 4 OPC service life near end 7932 04 Pre...

Page 171: ...007 RFConductTime This SP saves the rotation count sec for the OPC when a re filled cartridge is detected When a re filled cartridge is detected the value for the OPC rotation count is copied from th...

Page 172: ...time remaining for the OPC based on the number of drum rotations If the cartridge is not installed if the AIO is not set properly or if the front door is open no value will be displayed because the ma...

Page 173: ...the SDK Software Development Kit are also counted Group 8 SP codes are limited to 17 characters forced by the necessity of displaying them on the small LCDs of printers and faxes that also use these S...

Page 174: ...as 1 page used for duplex printing Last pages printed only on one side are not counted 0 to 9999999 0 1 T 2 2 05 Total Simplex Duplex Pages 8421 These SPs count by binding and combine and n Up settin...

Page 175: ...azine These counts are especially useful for customers who need to improve their compliance with ISO standards for the reduction of paper consumption Pages that are only partially printed with the n U...

Page 176: ...1 A3 844x 2 A4 844x 3 A5 844x 4 B4 844x 5 B5 844x 6 DLT 844x 7 LG 844x 8 LT 844x 9 HLT 844x 10 Full Bleed 844x 254 Other Standard 844x 255 Other Custom These counters do not distinguish between LEF an...

Page 177: ...ounters are not the same as the PM counter The PM counter is based on feed timing to accurately measure the service life of the feed rollers These counts are based on output timing Blank sheets covers...

Page 178: ...Finish 8524 These SPs count by finishing mode the total number of pages printed by the Print application 0 to 9999999 0 1 852x 1 Sort 852x 2 Stack 852x 3 Staple 852x 4 Booklet 852x 5 Z Fold 852x 6 Pu...

Page 179: ...r Other 8591 These SPs count the totals for A3 DLT paper used number of duplex pages printed and the number of staples used These totals are for Other O applications only 0 to 9999999 0 1 8591 001 A3...

Page 180: ...teps is better than other machines in the market that can only measure in increments of 10 10 steps 0 to 100 0 1 3 2 03 Toner Coverage 0 10 8851 These SPs count the percentage of dot coverage for K to...

Page 181: ...erage 31 8881 This SP counts the number of prints that had a percentage of black dot coverage in the range above 31 0 to 9999999 8891 3 2 07 Coverage Display Current 8901 3 2 08 Coverage Display Previ...

Page 182: ...me while controller saves data to HDD Does not include time spent in Energy Save mode 8941 003 Energy Save Time Includes time while the machine is performing background printing 8941 004 Low Power Tim...

Page 183: ...total counts of the corresponding SP codes listed below Note This machine supports K printing only so the counts for 015 and 017 are identical 8999 001 Total SP8381 001 Total output sheets fed out 89...

Page 184: ...rify Data Verifies that the update executed successfully 5 4 2 PRECAUTIONS Handling SD Cards Observe these precautions when handling SD cards Always turn off the main power switch before you insert or...

Page 185: ...or The machine must be disconnected from the network The machine cannot be used during firmware update 5 4 3 MACHINE FIRMWARE UPDATE Each program must be updated one a time Follow the procedure below...

Page 186: ...ROM Update Updating Updated Power Off On The Power Off On message appears after about 90 sec 8 Turn off the power remove the SD card from Slot 1 and turn on the power or If you intend to update anothe...

Page 187: ...ent you must manually input the required settings after the NVRAM has been replaced For this reason you should always print an SMC report before NVRAM replacement 1 Enter the SP mode and do SP5990 1 A...

Page 188: ...card 14 Mark the SD card with the machine code for later reference You will need this SD card to download NVRAM to the new NVRAM One SD card can store the NVRAM data of two or more machines 5 5 2 DOW...

Page 189: ...SP5825 NVRAM Download 7 Push Enter NVRAM Download execute 8 Push Enter You will see Processing Then when you see result OK the NVRAM data has been downloaded successfully The machine cannot do the do...

Page 190: ...r example on a computer Normal operation is not guaranteed when such SD card is used Store the original SD card in a safe location after the procedure The original SD card cannot be used but it must b...

Page 191: ...y 14 Tell the customer to store the original SD card in a safe place 5 6 3 UNDO EXEC Undo Exec SP5873 2 restores an application to its original SD card The application is moved from Slot 2 to Slot 1 1...

Page 192: ...SD Card Application Move G176 G177 G176L 5 90 SM 11 Insert the SD card with the restored application in Slot 2 12 Turn on the main power switch 13 Confirm that the application operates normally...

Page 193: ...es of self diagnostics for the controller Power on self diagnostics The machine automatically starts the self diagnostics just after the power has been turned on SC detection The machine automatically...

Page 194: ...3 To return to the previous level press Escape 4 After changing the settings press On Line to return to standby mode The user menu list shown below can be printed Menu List Test Print 4 times Menu Li...

Page 195: ...Delete One File Del All Files Error File s Hold Print Print One File Print All Files Delete One File Del All Files Error File s Stored Print Print One File Print All Files Delete One File Del All File...

Page 196: ...rk Summary Menu List PCL Config Page PS Config Page PDF Config Page Hex Dump Maintenance Image Density Registration Curl Prevention Del All Temp Del All Stored HD Format Date Time Network Security Key...

Page 197: ...se Erase All Memory Log Transfer Remote Service System Print Err Report Auto Continue Memory Overflow Copies Printer Lang Sub Paper Size Page Size Edge Edge Print Def Print Lang Blank Pages Rotate 180...

Page 198: ...pool Printing Letterhead Mode Bypass Priority Auto Tray SW Auto Email Ntfy Host Interface I O Buffer I O Timeout Network Setup USB Speed Fixed USB Port PCL Menu Orientation Form Lines Font Source Font...

Page 199: ...enu Mode SM 5 97 G176 G177 G176L Service Tables 1st Level 2nd Level Resolution PS Menu Data Format Resolution PDF Menu PDF Change PW PDF Group PW Resolution Language Select 1 of 14 available languages...

Page 200: ...76 G177 G176L 5 98 SM 5 9 CONTROLLER BOARD DIP SWITCHES The controller board DIP switches must always be set as shown below Controller Board Default DIP SW Settings DIP SW Setting 1 ON 2 OFF 3 OFF 4 O...

Page 201: ...DETAILS SECTION 6 DETAILED DESCRIPTIONS REVISION HISTORY Page Date Added Updated New None...

Page 202: ......

Page 203: ...PONENT LAYOUT 1 Laser unit 2 Cartridge AIO type 3 Charge roller 4 Development roller 5 By pass feed tray 6 By pass feed roller 7 Paper feed roller 8 Friction pad 9 Registration roller 10 Transfer roll...

Page 204: ...Overview G176 G177 G176L 6 2 SM 6 1 2 PAPER PATH A Optional duplex unit B Standard paper tray unit C Optional paper tray unit...

Page 205: ...E 6 2 1 BLOCK DIAGRAM The engine board controls all the mechanical components The printer controller board connects to the engine board through a PCI bus The IEEE 802 11b Interface Unit G813 B874 and...

Page 206: ...Board Structure G176 G177 G176L 6 4 SM 6 2 2 CONTROLLER BOARD The controller controls all applications Optional features can be added by inserting application an SD card into the controller SD slot...

Page 207: ...tation and other operations are done Board Option Slots One slot CN714 is available for the optional HDD unit and another slot CN704 is available for either the IEEE 802 11b Interface Unit or Gigabit...

Page 208: ...development roller moves toner to the latent image on the drum surface 4 Image Transfer The transfer roller moves the toner from the drum to the paper 5 Separation The separation plate helps to remov...

Page 209: ...etector 8 Toroidal lens 9 1st mirror 10 2nd mirror 11 Detector mirror Synchronization detector The 1st mirror 2nd mirror and the detector mirror reflect the beam from the LD unit to the synchronizatio...

Page 210: ...n checks the temperature inside the machine The machine automatically corrects the charge roller and transfer voltages for this temperature Automatic Power Control APC The LD control IC on the engine...

Page 211: ...se switches stop the laser while the cover is open If the user opens one of these covers the 5VLD power to the laser diodes is stopped Laser Shutter The laser shutter A is for back up safety If the sw...

Page 212: ...6 Drum 7 Drum shutter 8 Waste toner tank 9 Toner collection roller 10 Cleaning blade This type of cartridge is known as the All in One AIO cartridge 6 3 4 DRUM CHARGE A Charge roller B Cleaning pad T...

Page 213: ...mixes toner and sends it to the development roller Development Unit This machine uses a one roller development system The high voltage supply applies 700V to the development roller When the user remov...

Page 214: ...veloper A mixture of toner and developer circulates at the pre doctor blade A When the toner on the development roller decreases the circulating region C gets smaller to let more toner get to the deve...

Page 215: ...tected 200 pages after near end or in the case of main motor rotation count after the motor rotates enough to print an additional 200 A4 pages at 2 pages job Toner can run out more quickly than this i...

Page 216: ...fter near end if the coverage ratio is high Because of this after toner near end printing quality cannot be guaranteed Toner Overflow Prevention With the main motor rotation count feature the machine...

Page 217: ...s in their region or they know a customer who is doing this then they can enable the feature Summary In the illustration below A B and C have these meanings A Heavy usage jobs that require large amoun...

Page 218: ...s and alternates with Ready The print cartridge is at the end of its service life about 200 pages or more after near end is detected by main motor rotation but some toner still remains toner end senso...

Page 219: ...tor rotation Printing cannot continue and Replace Print Cartridge will remain in the display until the AIO unit is replaced The following items have been added to the SMC Report printed with SP5990 1...

Page 220: ...G176L 6 18 SM 6 4 PAPER FEED 6 4 1 OVERVIEW 1 Registration Roller 2 Relay Roller 3 By pass feed roller 4 By pass friction pad 5 Paper end sensor 6 Friction pad 7 Feed roller 8 Paper tray 9 Remaining p...

Page 221: ...Paper End Detection Remaining paper sensors Paper end sensor Paper Size Detection Paper size switch Tray Capacity 500 sheets Tray Extension Available By pass Tray Paper Feed System Feed roller and fr...

Page 222: ...anually to hold paper longer than A4 Letter size To use longer paper Release the two locks A Extend the tray and close the locks These paper sizes can be used Paper Sizes Tray Mode Possible Paper Size...

Page 223: ...lift the plate The springs E keep the top sheet of the paper at the correct height Paper Feed and Registration 1 Registration Roller 2 Relay Roller 3 By pass feed roller 4 By pass friction pad 5 Pape...

Page 224: ...Paper Size Detection A Paper size switch B Paper size dial Paper Size Detection Table Size SW1 SW2 SW3 A4 SEF ON ON OFF A5 SEF ON OFF ON B5 SEF OFF ON OFF Custom Size ON OFF OFF LG SEF OFF OFF OFF LT...

Page 225: ...the cutout in the bottom plate and the paper end sensor comes on Remaining Paper Detection Remaining paper is detected by the combination of the remaining paper sensor signals The signals from the se...

Page 226: ...is placed on the tray The CPU energizes the by pass clutch B Then the by pass feed roller C starts to feed paper to the registration roller D through the relay roller E The by pass feed roller shaft h...

Page 227: ...7 G176L Details 6 5 IMAGE FUSING AND PAPER EXIT 6 5 1 OVERVIEW 1 Paper exit roller 2 Hot roller strippers 3 Thermostat 4 Thermistor 5 Fusing lamp 6 Hot roller 7 Fusing pressure roller 8 Pressure sprin...

Page 228: ...HAFT The entrance guide A is adjustable for paper thickness to prevent creasing If creasing occurs frequently in the fusing unit remove all screws and slide the entrance guide to the right Replace the...

Page 229: ...n is at the top minimum pressure The envelope lever A is used by the operator to adjust the size of the gap between the pressure roller and hot roller A larger gap is needed for envelopes which are th...

Page 230: ...g a new fusing unit the engine board detects the fusing unit through the looped wire However the fuse opens very shortly afterwards What happens next depends on the setting of engine SP mode 5930 Mete...

Page 231: ...U turns on the fusing lamp using the soft start process The soft start process prevents the room lights from flickering The lamp stays on until the thermistor detects the standby temperature Then the...

Page 232: ...lain OHP Bypass 180 180 175 170 170 Env Bypass Env Feeder 190 190 190 190 190 Postcard Bypass 190 190 190 190 190 15o C Thick Bypass 190 190 190 190 190 Overheat Protection If the hot roller temperatu...

Page 233: ...PAPER EXIT A Paper overflow detection sensor B Paper exit sensor When the paper overflow detection sensor A is activated the machine detects that the paper stack height has exceeded a certain limit a...

Page 234: ...can set the time on the System menu Menu System Several settings are available Off 1 5 15 30 45 60 min Default 5 min When the machine is in energy saver mode the CPU turns off the fusing lamp The 5VE...

Page 235: ...machine is meter charge mode off Item Meter charge On Meter charge Off Remarks Meter charge counter Shown as the first item in the user menu Not shown User menu PM Warning Not shown Replace Maintenanc...

Page 236: ......

Page 237: ...SPECIFICATIONS SECTION 7 SPECIFICATIONS REVISION HISTORY Page Date Added Updated New None...

Page 238: ......

Page 239: ...G176 G176L 31 ppm G177 36 ppm plain paper A4 LT SEF Note 31 ppm 36 ppm applies to both simplex and duplex printing First Print 6 9 sec or less A4 LT SEF Std Tray Duplex Printing A4 LT Approx 100 prod...

Page 240: ...Bypass Tray A4 SEF A6 SEF LG SEF A6 SEF Width 64 to 216 mm Length 140 to 356 mm Width 2 6 to 8 5 in Length 5 6 to 14 in Input Paper Size Opt Tray A4 SEF A5 SEF LG SEF A5 SEF Width 98 to 216 mm Length...

Page 241: ...rd temperature and humidity 3 This yield number may change depending on the circumstances and printing conditions Environment Energy Star Mode 5 min default Selectable 1 5 15 30 45 60 Off Safety Stand...

Page 242: ...g or less 13 3 lb or less Envelope Feeder Paper Size Crane Crest Com 10 Strathmore Writing Com 10 Neenah Classic Crest Com 10 C5 C6 DL Paper capacity 60 Envelopes Dimensions w x d x h 534 464 180 mm 2...

Page 243: ...182x257 mm D D C N A A5 SEF 148x210 mm D D C N A LEF 210x148 mm B N C N A B6 SEF 128x182 mm N N N N N A6 SEF 105x148 mm N N C N N Legal SEF 8 1 2 x14 mm D D C N A Letter SEF 8 1 2 x11 mm D D C N A HL...

Page 244: ...om Std Tray Opt Tray Bypass Env Feed Dup Width 98 216 mm 3 9 0 8 5 in B B N N Length 140 356 mm 5 5 14 in 160 356 mm 6 3 14 in Opt Tray B B N N Width 64 216 mm 2 5 8 5 in C N N Length 140 356 mm 5 5 1...

Page 245: ...Basic Specifications SM 7 7 G176 G177 G176L Specifications The printable area may vary depending on paper size printer language and printer driver settings Envelopes...

Page 246: ...orth America Energy Saver G177 4 5 W or less 10 W or less Europe Main Unit Full System Maximum 970 W or less 990 W or less Printing 630 W or less 630 W or less Energy Saver G176 G176L 6 5 W or less 12...

Page 247: ...G176 G176L Main Unit Full System Printing 59 dB or less 63 dB or less Standby 36 dB or less 36 dB or less G177 Main Unit Full System Printing 61 dB or less 65 dB or less Sound Pressure Level All Mode...

Page 248: ...Power Green On Power on and not in Energy Saver mode Off No data Flashing Data being received or processed or the printer is spooling Data In Green On Data being received or processed more data comin...

Page 249: ...Controller Specifications SM 7 11 G176 G177 G176L Specifications 7 2 CONTROLLER SPECIFICATIONS 7 2 1 CONTROLLER BOARD...

Page 250: ...G177 G176L 7 12 SM 1 SDRAM DIMM I F 2 Engine I F 3 PCI Option 4 HDD I F 5 IEEE1284 I F 6 SD Card I F Slots x2 7 USB I F 8 LAN I F 7 2 2 PRINTING FUNCTIONS Job Spool Y Adjustment Registration Y Adjust...

Page 251: ...er N N N N N N N Sample Print Y Y Y Y Y Y Y 3 Locked Print Y Y Y Y Y Y Y 3 Reduce Enlarge Scaling N Y Y Y Y Y Y Reduce Enlarge Centering Y Y N N N N N Collate Y Y Y Y Y Y Y Layout N up Y Y Y Y Y Y Y P...

Page 252: ...User Defined Pages Y N N N N N N Tab Stock Printing N N N N N N N Mirror Image Print N N Y Y Y Y N Negative Image Print N N Y Y Y Y N Dithering Y Y Y Y Y Y Y Image Smoothing Y Y Y Y Y Edge Smoothing Y...

Page 253: ...Specifications SM 7 15 G176 G177 G176L Specifications Rotate Print Y Y Y Y Y N N Reverse Order Print N Y N N Y Y Y Do not print Blank pages N Y N N N N N Edge to Edge Print Y Y Y Y Y Y Y Y 3 After Ma...

Page 254: ...d No No No No Win 2000 Professional Yes Yes Yes Yes 3 Server 5 Yes Yes Yes Yes 3 Advanced Server 5 Yes Yes Yes Yes 3 Datacenter Server No No No No Win XP Professional Yes Yes Yes 4 Yes 3 Professional...

Page 255: ...rint and Terminal Service and Citrix Metaframe 6 NT4 drivers are not included in driver CD ROM and are provided by web site 7 64bit drivers are not included in driver CD ROM and are provided by web si...

Page 256: ...ocalization English only Device Option feature is not supported in PCL Novell Netware Supported Version Netware 3 12 3 2 4 1 4 11 5 0 5 1 6 6 5 Netware Server Client OS Windows 95 98 Me NT4 0 2000 XP...

Page 257: ...European Supported environment Localization English only Supported features i e Input Output Bin Duplex Stapling Punching Resolution Collation EconoMode TonerSaving Smoothing Page Protect Auto Tray Ch...

Page 258: ...0 12 Mbps Full Speed Supported OS Windows 98 SE Me 2000 XP USB 1 1 Windows 2000 XP USB 2 0 IEEE 1284 Interface Standard Data Transmission Speed Compatible Nibble Byte ECP mode Supported OS Windows 9x...

Page 259: ...odel 1 13 ch EU model Type of connection Ad hoc mode 802 11b Ad hoc mode Infrastructure mode WPA Gigabit Ethernet Option Data Transmission Speed 10M bps 100 Mbps 1000 Mbps Protocol TCP IP IPX SPX SMB...

Page 260: ...Admin YES 2 Printer Utility for Mac YES 1 2 3 DeskTopBinderLite SmartDeviceMonitor for Client YES 4 Font Manager 2000 YES 5 WebImageMonitor embedded web server YES 1Mac OS X v 10 0 x is not supported...

Page 261: ...elow can be installed by the customer except the Data Overwrite Security Unit Main Mainframe 31 ppm G176 G176L 31 ppm Mainframe 36 ppm G177 36 ppm Options Paper Feed Unit TK1030 G894 1 or 2 trays can...

Page 262: ...ry Unit Type C 256 MB G332 Hard Disk Drive Type 2650 M311 IEEE 802 11b interface Unit Type H G813 IEEE 802 11b Interface Unit Type I G874 Gigabit Ethernet Board Type A G874 VM Card Type D G874 Data St...

Page 263: ...G893 DUPLEX UNIT AD1000 G893 DUPLEX UNIT AD1000 REVISION HISTORY Page Date Added Updated New None...

Page 264: ......

Page 265: ...ORS 2 1 3 INVERTER MOTOR 3 2 DETAILED DESCRIPTIONS 4 2 1 OVERVIEW 4 2 1 1 MECHANICAL COMPONENTS 4 2 1 2 DRIVE COMPONENTS 5 2 1 3 ELECTRICAL COMPONENTS 5 2 2 DUPLEXING 7 2 2 1 A4 LEF LT LEF AND LONGER...

Page 266: ......

Page 267: ...STMENT 1 1 COVERS Turn off the main power switch and unplug the machine before attempting any of the procedures in this section Remove the duplex unit from the main unit Open the upper cover A A Upper...

Page 268: ...G893 2 SM 1 2 DUPLEX BOARD AND SENSORS Remove front cover see previous section A Duplex board bracket x2 B Duplex board x4 C Inverter sensor x1 D Entrance sensor x1 E Exit sensor x1...

Page 269: ...Inverter Motor SM 3 G893 G893 Duplex Unit AD1000 1 3 INVERTER MOTOR Remove the motor bracket before removing the inverter motor A Inverter motor Timing belts x2 x1 Gear x1...

Page 270: ...G893 4 SM 2 DETAILED DESCRIPTIONS 2 1 OVERVIEW 2 1 1 MECHANICAL COMPONENTS 1 Junction gate 2 Entrance sensor 3 Inverter rollers 4 Transport rollers 5 Transport sensor 6 Exit sensor...

Page 271: ...SM 5 G893 G893 Duplex Unit AD1000 2 1 2 DRIVE COMPONENTS 1 Transport motor 2 Transport rollers 3 Inverter motor 4 Inverter rollers 2 1 3 ELECTRICAL COMPONENTS 1 Entrance sensor 2 Duplex board 3 Invert...

Page 272: ...G893 6 SM 4 Junction gate solenoid 5 Inverter sensor 6 Exit sensor 7 Transport motor 8 Cover switch...

Page 273: ...ration shows the page order in the job The circled numbers show the printing order white circles 1st side black circles 2nd side 2 2 2 PAPER SMALLER THAN A4 LEF LT LEF The duplex unit can store three...

Page 274: ...G893 8 SM...

Page 275: ...gate B The paper fed from the main frame is sent to the inverter section C Inversion and Exit After the trailing edge of the paper passes the inverter sensor D the inverter roller E changes its rotati...

Page 276: ...G893 10 SM 2 3 SAFETY FUSE Name Rating Manufacturer Type No FU500 DC50V 1 5A ROHM CO LTD ICP N38...

Page 277: ...G894 PAPER FEED UNIT TK1030 G362 ENVELOPE FEEDER TYPE 400 G894 PAPER FEED UNIT TK1030 G362 ENVELOPE FEEDER TYPE 400 REVISION HISTORY Page Date Added Updated New None...

Page 278: ......

Page 279: ...MOTOR 4 1 5 PAPER TRAY BOARD 5 1 6 PAPER SIZE SWITCH 6 2 DETAILED DESCRIPTIONS 7 2 1 OVERVIEW 7 2 1 1 MECHANICAL COMPONENTS 7 2 1 2 ELECTRICAL COMPONENTS 7 2 2 PAPER FEED AND SEPARATION 8 2 3 PAPER LI...

Page 280: ......

Page 281: ...1 1 PAPER FEED UNIT Turn off the main power switch and unplug the machine before attempting any of the procedures in this section 1 Remove the paper tray unit from the main unit 2 Pull out the paper...

Page 282: ...Paper Feed Roller G894 G362 2 SM 1 2 PAPER FEED ROLLER 1 Pull out the paper tray 2 Pull lever B to remove the paper feed roller A...

Page 283: ...Friction Pad SM 3 G894 G362 G894 Paper Feed Unit G362 Envelope Feeder 1 3 FRICTION PAD 1 Pull out the paper tray 2 Remove friction pad A...

Page 284: ...Paper Feed Clutch Motor G894 G362 4 SM 1 4 PAPER FEED CLUTCH MOTOR A Bracket x1 B Paper feed clutch x1 gear x1 C Paper feed gear x1 D Feed motor bracket x3 x2 E Feed motor x2 Timing belt x1 x1...

Page 285: ...Paper Tray Board SM 5 G894 G362 G894 Paper Feed Unit G362 Envelope Feeder 1 5 PAPER TRAY BOARD A Paper tray board Hooks x3 x2...

Page 286: ...Paper Size Switch G894 G362 6 SM 1 6 PAPER SIZE SWITCH A Paper size switch Hook x1 x1...

Page 287: ...2 1 OVERVIEW 2 1 1 MECHANICAL COMPONENTS 1 Paper feed roller 2 Friction pad 3 Bottom plate 2 1 2 ELECTRICAL COMPONENTS 1 Paper tray board 2 Paper feed clutch 3 Paper size switch 4 Paper feed motor 5 P...

Page 288: ...2 8 SM 2 2 PAPER FEED AND SEPARATION The paper tray holds 500 sheets of paper The paper feed unit uses the feed roller and friction pad method to separate paper A Paper feed roller B Friction pad C Pr...

Page 289: ...en the user puts the tray A in the machine the bottom plate B lifts as follows The slopes on the guide blocks C on the machine lift the tray arms D up The springs E between the tray arms and bottom pl...

Page 290: ...Paper End Detection G894 G362 10 SM 2 4 PAPER END DETECTION When the paper tray runs out of paper the feeler A drops into the cutout in the bottom plate to actuate the remaining paper sensor...

Page 291: ...DETECTION A Remaining paper sensor 1 B Remaining paper sensor 2 Amount of paper Remaining Paper Sensor 1 Remaining Paper Sensor 2 0 sheets 0 On On 50 sheets 10 On On 250 sheets 50 On Off 450 sheets 90...

Page 292: ...N ON Not pushed OFF Pushed The machine disables paper feed from a tray if the paper size cannot be detected if the paper size actuator is broken or no tray is installed When the paper size dial is at...

Page 293: ...Safety Fuse SM 13 G894 G362 2 7 SAFETY FUSE Name Rating Manufacturer Type No FU500 DC50V 1 5A ROHM CO LTD ICP N38...

Page 294: ...unit replacing the paper tray If two optional trays have been installed the envelope feeder must go into the top tray The layout is the same as the paper tray The tray pushes down and locks the mechan...

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Ricoh G176, Service Manual

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