Dell 1135N Service Manual
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Dell 1135N Service Manual

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Table of Contents
Dell 1133, 1135n
Service Manual
07 Apr 2010

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  • Page 1 Dell 1133, 1135n Service Manual 07 Apr 2010...
  • Page 2 Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc. Other trademarks and trade names may be used in this document to refer to the entities claiming the marks and names of their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

  • Page 3: Service Manual

    Dell 1135n 1. Print / Copy Speed 5. Interfaces • 22 ppm in letter • One USB port • One 10/100 Base TX network connector (Dell 1135n) 2. Processor • Jupiter5 375 Mhz 6. Toner cartridge • Initial : 0.7K 3.

  • Page 4: Table Of Contents

    Contents chapter 1 Precautions 1.1 Safety Warning …………………………………………………… 1-1 1.2 Caution for safety ………………………………………………… 1-2 1.2.1 Toxic material ………………………………………………… 1-2 1.2.2 Electric Shock and Fire Safety Precautions ……………… 1-2 1.2.3 Handling Precautions ……………………………………… 1-3 1.2.4 Assembly / Disassembly Precautions ……………………… 1-3 1.2.5 Disregarding this warning may cause bodily injury ………...
  • Page 5 Contents 3.2 Screws used in the printer ……………………………………… 3-2 3.3 Cover ……………………………………………………………… 3-4 3.3.1 Front Cover ………………………………………………… 3-4 3.3.2 Rear Cover…………………………………………………… 3-4 3.3.3 Right/Left Cover …………………………………………… 3-5 3.4 Scanner and ADF ………………………………………………… 3-6 3.4.1 ADF unit ……………………………………………………… 3-6 3.4.2 ADF roller …………………………………………………… 3-7 3.4.3 OPE Unit………………………………………………………...
  • Page 6 Contents 4.1.5 Menu Map …………………………………………………… 4-11 4.1.6 Tech Mode …………………………………………………… 4-12 4.1.7 EDC Mode …………………………………………………… 4-19 4.1.8 Firmware Upgrade ………………………………………… 4-22 4.1.9 Periodic Defective Image…………………………………… 4-23 4.1.10 Error Message……………………………………………… 4-24 4.2 Troubleshooting…………………………………………………… 4-28 4.2.1 Procedure of Checking the Symptoms …………………… 4-28 4.2.2 The cause and solution of Bad image ……………………...
  • Page 7 Contents attached Exploded Views & Parts List-OK * Please see the attached. Power Cord ………………………………………………………… 4 Thumbnail …………………………………………………………… 5 1. MAIN ……………………………………………………………… 7 2. COVER …………………………………………………………… 9 3. COVER-MIDDLE ASSY ………………………………………… 11 4. COVER FRONT ………………………………………………… 13 5. COVER REAR …………………………………………………… 15 6.

  • Page 8: Safety Warning

    High voltages and lasers inside this product are dangerous. This printer should only be serviced by a qualified service technician. (2) Use only Dell replacement parts There are no user serviceable parts inside the printer. Do not make any unauthorized changes or additions to the printer, these could cause the printer to malfunction and create electric shock or fire haz-...

  • Page 9: Caution For Safety

    Take care not to cut or damage the power cable or plugs when moving the machine. (9) Use caution during thunder or lightening storms. Dell recommend that this machine be disconnected from the power source when such weather conditions are expected. Do not touch the machine or the power cord if it is still connected to the wall socket in these weather conditions.

  • Page 10: Handling Precautions

    1.2.4 Assembly / Disassembly Precautions Replace parts carefully, always use Dell parts. Take care to note the exact location of parts and also cable routing before dismantling any part of the machine. Ensure all parts and cables are replaced correctly.

  • Page 11: Disregarding This Warning May Cause Bodily Injury

    (4) Ensure the printer is installed safely. The printer weighs 23.34 lbs (Dell 1133) / 25.44 lbs (Dell 1133n), ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause the printer to tip or fall possibly causing personal injury or damaging the printer.

  • Page 12: Esd Precautions

    Precautions 1.3 ESD Precautions Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called “Electrostatically Sensitive (ES) Devices” or ESDs. Examples of typical ESDs are: integrated circuits, some field effect transistors, and semiconductor “chip” components. The techniques outlined below should be followed to help reduce the incidence of component damage caused by static electricity.

  • Page 13: Product Specifications

    Dell 1135n (4 in 1) 1. Print / Copy Speed . Interfaces • 23 ppm in letter • One USB port • One 10/100 Base TX network connector (Dell 2. Processor 113 n) • Jupiter5 375 Mhz 6. Toner cartridge 3.

  • Page 14: Specifications

    • Product Specifications are subject to change without notice. See below for product specifications. 2.1.2.1 General Specifications Items Dell 1133 Dell 1135n Net Dimension 416 x 409 x 275.8 mm 416 x 415.4 x 318.9 mm (W x D x H) (16.4 x 16.1 x 10.9 inches)
  • Page 15 Product specification and feature Items Dell 1133 Dell 1135n Power Consumption Ready : Less than 45W Ready : Less than 45W Average : Less than 370W Average : Less than 370W Save : Less than 10W Save : Less than 10W...
  • Page 16 Product specification and feature 2.1.2.3 Copy Specifications Items Dell 1133 Dell 1135n Speed ** SDMC: up to 23 cpm in letter SDMC: up to 23 cpm in letter Resolution (Optical) Text: 600 x 300 dpi (Platen) Text: 600 x 300 dpi (Platen)
  • Page 17 Product specification and feature Items Dell 1133 Dell 1135n Scan Modes/Speeds: Line Art, Halftone : 15 sec on Platen Line Art, Halftone : 15 sec on Platen, (PC Environment : Win Gray : 23 sec on Platen 15 sec on ADF XP, P4-2.4GHz, 512M...
  • Page 18 Product specification and feature 2.1.2.6 Paper Handling Items Dell 1133 Dell 1135n Standard Capacity 250-sheets Cassette Tray, 1-sheet 250-sheets Cassette Tray, 1-sheet Multi Purpose Tray @ 80g/ Multi Purpose Tray @ 80g/ Maximum Capacity 251 sheets @ 80g/ 251 sheets @ 80g/ Printing Max.
  • Page 19 Product specification and feature 2.1.2.7 Consumables (CRU) Items Dell 1133 Dell 1135n Type Single Cartridge Single Cartridge Yield Initial : Average Cartridge Yield 0.7K Initial : Average Cartridge Yield 1K standard pages standard pages Standard: Average Cartridge Yield 1.5K Standard: Average Cartridge Yield 1.5K standard pages.
  • Page 20 Product specification and feature 2.1.2.9 Options Items Dell 1133 Dell 1135n Network Memory * Print speed will be affected by Operating system used, computing performance, application software, connecting method, media type, media size and job complexity. ** Copy Speed is based on Single Document Multiple Copy *** Condition: Standard resolution, MMR(JBIG), Maximum modem speed, Phase “C”...

  • Page 21: Model Comparison Table

    Product specification and feature 2.1.3 Model Comparison Table Dell Samsung Brother Dell 1135n SCX-4521F MFC-7440N (Brother) Image Speed (A4) 22ppm 20ppm 22ppm Resolution 1,200 x 600 dpi 600 x 600 dpi 2,400 x 600 dpi Print Emulation FPOT 10 sec from ready...

  • Page 22: System Overview

    Product specification and feature 2.2 System Overview This chapter describes the functions and operating principal of the main component. 2.2.1 Front View This illustration may differ from your machine depending on its model. Document feeder cover Handle Toner cartridge Document feeder width guides Tray 1 Manual tray paper width guides...

  • Page 23: Rear View

    Product specification and feature 2.2.2 Rear View This illustration may differ from your machine depending on its model. Network port Power receptacle USB port Rear door Telephone line socket Rear door handle Extension telephone socket (EXT) 2-11 Service Manual...

  • Page 24: System Layout

    Product specification and feature 2.2.3 System Layout This model is consisted of the Engine parts and F/W, and said engine parts is consisted of the mechanical parts comprising Frame, Feeding, Developing, Driving, Transferring, Fusing, Cabinet and H/W comprising the main control board, power board, operation panel, PC Interface. Top out-bin delivery roller Separation Pad Fusing roller...
  • Page 25 Product specification and feature 2.2.3.1 Feeding Part It is consists of a basic cassette, an Manual tray for supplying different types of media (envelope, label, special paper) and parts related to paper transferring. 1) Separation method Paper is separated by the friction pad mounted to the center of the cassette. 2) Basic cassette It takes a center loading method and applies ‘friction pad separating method.’...
  • Page 26 - Life Span : Print over 50,000 sheets (in15~30 ) 2.2.3.3 Driver Assy - In Dell 1133/1135n, the driving device consisted of Φ55 BLDC motor, OPC, Pick- up, Feed, gear block all mounted as an assembly. • Driving Frequency: BLDCΦ55 Motor : 2200rpm(1650 Clock) •...
  • Page 27 Product specification and feature 2.2.3.4 Fuser It is consists of a halogen lamp, heat roller, pressure roller, thermistor and thermostat. It fuses the toner on to the paper by heat and pressure to complete the printing job. 1) Thermostat When a heat lamp is overheated, a Thermostat cuts off the main power to prevent over- heating. - Thermostat Type : Non- Contact type THERMOSTAT - Control Temperature : 170 2) Thermistor...
  • Page 28 Product specification and feature 6) Items for safety Protecting device for overheating - 1st protection device: Hardware cuts off when overheated - 2nd protection device: Software cuts off when overheated - 3rd protection device: Thermostat cuts off main power. Safety device - A fuser power is cut off when a front cover is opened - Maintain a temperature of fuser cover’s surface under 80 for user, and attach a caution label at...
  • Page 29 Product specification and feature 2.2.3.5 LSU (Laser Scanner Unit) It is the core part of the LBP which switches the video data received to the controller to the electrostatic latent image on the OPC drum by controlling laser beam, exposing OPC drum, by use of a polygon mirror. The OPC drum is synchronized with the paper feeding speed.
  • Page 30 Product specification and feature 2.2.3.6 Toner Cartridge By using the electronic photo process, it creates a visual image. In the toner cartridge, the OPC unit and the developing unit are contained in one assembly. The OPC unit houses the OPC drum and charging roller; the toner cartridge unit houses the toner, supply roller, developing roller, and blade (Doctor blade) •...

  • Page 31: Engine H/W Specifications

    Product specification and feature 2.2.4 Engine H/W Specifications 2.2.4.1 Main PBA The Engine and the Printer Controller function are housed into one Main Board called Main PBA. The CPU is functioned as the bus control, I/O handling, drivers, and PC interface. The main board sends the Current Image of Video data to the LSU and The CPU on Main PBA manages the circuits for the motors: paper feed, paper path, clutches, pre- transfer lamp, current control to driver components, and fan driving.
  • Page 32 It stores Font List, compressed into Flash memory, on DRAM and uses it as PCL font in case of model for export. - Capacity : Dell 1133 : 64MB Dell 1135n : 128 MB - Type : SDRAM 100MHz/133MHz, 16bit...
  • Page 33 Product specification and feature (c) Sensor Input Circuit ■ Paper Empty Sensing & Paper Width Sensor The Paper Empty/Width Sensor is mounted on the HVPS. This one sensor is used to detect both an “empty paper” condition, and as to whether e.g. invoice [narrow paper] paper is installed. When a printing job comes to the CPU, the CPU initializes the pickup action regardless of the state of the sensor.
  • Page 34 Product specification and feature 2.2.4.2 HVPS and SMPS Board The HVPS Board and SMPS Board housed in one board. The HVPS board creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer portion f The HVPS portion takes the 24V and outputs the high voltage for THV/MHV/BIAS, and supplied to the high voltage, OPC cartridge, and transfer roller for optimum latent image and toner transfer quality.
  • Page 35 Product specification and feature ■ HVPS Board • Transfer High Voltage (THV+) - Input Voltage: 24 V DC ± 15% - Output Voltage: +1.3KV(Duty Variable) - Line Regulation : under±3% (fluctuation input 21.6V ~ 27.6V) - Output Voltage Rising Time 50ms Max - Output Voltage Falling Time : 100 ms Max - Fluctuating transfer voltage with environmental various : 0 V~ 5 KV...
  • Page 36 Product specification and feature ■ SMPS Board AC Input Input Rated Voltage AC 220V ~ 240V AC 110V ~ 127V Input Voltage fluctuating range AC 180V ~ 270V AC 90V ~ 135V Rated Frequency 50/60 Hz Frequency Fluctuating range 47 ~ 63 Hz Under 4.0Arms / 2.0Arms (But, the status when e-coil is off or Input Current rated voltage is inputted/outputted )
  • Page 37 Product specification and feature 2.2.4.3 Fax Our fax feature is based on Conexant DAA (Data Access Arrangement) Solution, and is controlled by a dual Chip Set Solution. - CX86710 (SFX336) : This Modem Chip adds SSD (System Side Device) for interfacing between LSD and DIB of FM336Plus Core - CX20493 (LSD) : This Modem Chip LIU (Line Interface Unit) is controlled by SSD and satisfies each PSTN requirement by modulating the internal configuration with connecting Tel Line.
  • Page 38 Product specification and feature 2.2.4.4 Scan 1) Pictorial signal input part: output signal of CIS passes through MP Cap change to ADC at LAFE1001, and defined signal between LAFE1001 and JUPITER5 processes the Image signal. When AFE accepts each pixel, CDS (Correlated Double Sampling ) technique which samples arm-level twice is used on each pixel by the CIS signal.

  • Page 39: Engine F/W Contol Algorithm

    Product specification and feature 2.2.5 Engine F/W Control Algorithm 2.2.5.1 Feeding If feeding from a cassette, the drive to the pickup roller is controlled by a solenoid. The on/off time the solenoid is controlled by Main PBA. The Paper Jam protocols are as follows: Item Description - After picking up, paper cannot be entered due to paper is not fed.
  • Page 40 Product specification and feature 2.2.5.3 Fusing The temperature change of the heat roller’s surface is changed to the resistance value through the thermistor. The Heat Roller temperate (warmup) is measured by converting the resistance of the thermistor to a measurable DC voltage value. The AD converter changes it to a digital value so it knows when it has reach its proper fusing temperature.

  • Page 41: S/W Descriptions

    1. Application (Emulation) that is a interpreter translate data received from Host to a printing language (PCL, PS, GDI(Dell 1130n), etc.) to be able to allow the user to take same output as original composed in Host. 2. Kernel that control and management the whole procedure include of Control flow and Printing Job before transfer to Engine system.
  • Page 42 Product specification and feature 2.2.6.3 Data and Control Flow . GDI & PCL6 (PCL XL) Provided below is a detail explanation of the Block Diagram above. Host Side is made up of: 1. The Print Driver that is Windows application software translates printed data to one of printer languages and creates spooler file.
  • Page 43 Product specification and feature Firmware Side is made up of: 1. Network Interface Card is that relay the communication between Host and kernel using various network protocols. 2. Kernel manages the flow control of emulation procedure, receiving data from the Host or Network card and printing with engine &...
  • Page 44 Use only approved Dell spare parts. Ensure that part number, product name, any voltage, current or temperature rating are correct. Failure to do so could result in damage to the machine, circuit overload, fire or electric shock.
  • Page 45 The screws listed in the table below are used in this printer. Please ensure that, when you disassemble the printer, you keep a note of which screw is used for which part and that, when reassembling the printer, the correct screws are used in the appropriate places. ■ Dell 1135n Part Code oc tio...
  • Page 46 Dis ssem ly d e ssem ly ■ Dell 1133 Part Code oc tio Descri tio EW-T PT PE PWH, ,B,M3,L1 , I PLT,SW assette EW-T PT PE BH, ,-,B,M3,L6, P (WHT),SW EW-T PT PE PWH, ,-,B,M3,L6, P (WHT),SW EW-T PT PE PWH, ,B,M3,L1 , I PLT,SW...

  • Page 47: Cover

    Dis ssem ly d e ssem ly 3.3 Cover 3.3.1 Front Cover 1. Take off the cassette. 2. Take off the front cover by removing both hooks. 3.3.2 Rear Cover 1. emove screws on back side of printer. 2. emove the rear cover. Service Manual...

  • Page 48: Right/Left Cover

    Dis ssem ly d e ssem ly 3.3.3 Right/Left Cover 1. emove the front cover and rear cover. 2. Lift up the scanner slightly. 3. emove the Left ight cover by removing hooks of right left top bottom side. Service Manual...

  • Page 49: Scanner And Adf

    Dis ssem ly d e ssem ly 3.4 Scanner and ADF 3.4.1 ADF unit 1. emove the D connector cover. 2. Unplug the connector. 3. Lift the D unit up and release it. Service Manual...

  • Page 50: Adf Roller

    Dis ssem ly d e ssem ly 3.4.2 ADF roller 1. emove 3 E-rings. 2. Pull the shaft to the direction of arrow. 3. Take off the D roller assembly. Service Manual...

  • Page 51: Ope Unit

    Dis ssem ly d e ssem ly 3.4.3 OPE Unit 1. Pull up the OPE unit. There are 4 hooks. 2. Take off the OPE PB after remove 4 screws and 2 connectors. 3.4.4 Platen unit 1. emove the OPE unit. 2.

  • Page 52: Cis Unit

    Dis ssem ly d e ssem ly 3.4.5 CIS unit 1. emove IS cable. 3. Lift IS and release it. Service Manual...

  • Page 53: Middle Cover

    Dis ssem ly d e ssem ly 3.5 Middle Cover 1. emove the rear left right cover. 2. Unplug 4 connectors including a lat cable. 3. Lift up the scanner slightly. 4. Push up both hooks from the bottom of middle cover. Service Manual...
  • Page 54 Dis ssem ly d e ssem ly . Lift up the scanner slightly angle 7 7. elease the middle cover after removing remove the scanner. 4 screws. 6. Unplug 1 connector. 3-11 Service Manual...

  • Page 55: Fuser Unit

    Dis ssem ly d e ssem ly 3.6 Fuser Unit 3.6.1 Whole Fuser Unit 1. emove the rear and left cover. 2. emove 4 screws. 3. Unplug the 2 connectors from SMPS board and Main board. 4. Take off the user unit. 3-12 Service Manual...

  • Page 56: Main Service Parts Of Fuser Unit

    Dis ssem ly d e ssem ly 3.6.2 Main Service parts of Fuser Unit Photo P rt code P rt 61 7- 1 2 SP I 4713- 1212 (22 L MP-H LO E ESS USE OI T 39- 1 2 ESS- USE 67- 41 P USE L MP L...
  • Page 57 Dis ssem ly d e ssem ly Photo P rt code P rt HOLDE TU TO 66- 236 E LI 66- 2366 LE E LI 4712- 1 31 THE MOST T 61- 34 UIDE-I PUT 61- 36 UIDE L W 61 7- 1 SP I 72-4 361...

  • Page 58: Replacing The Main Service Part Of Fuser Unit

    Dis ssem ly d e ssem ly 3.6.3 Replacing the Main Service part of Fuser Unit 3.6.3.1 Spring-Es Separate it as take up the circle-area of Spring-Es from hook. Service Manual...
  • Page 59 Dis ssem ly d e ssem ly 3.6.3.2 Actuator-Exit and Holder-Actuator 1. Lift up the checking point and push to right side, 3. Disassemble Spring-Ts from the actuator. and then disassemble. aution : Do not touch the roller surface of fuser inside 2.
  • Page 60 Dis ssem ly d e ssem ly 3.6.3.3 Cap-Fuser lamp R/Cap-Fuser Lamp L Press the hook end of latch away from the cover-fuser to which it is latched and separate it - Cap-Fuser Lamp L - Cap-Fuser Lamp R aution : Don t bend the stud 3-17 Service Manual...
  • Page 61 Dis ssem ly d e ssem ly 3.6.3.4 Lamp Halogen 1. Pull out the harness (Harness- user oint, Harness- user ) which is connected at user Lamp Halogen. nd loose the two screws ( Left side, ight side each one ) in the red circle. 2.
  • Page 62 Dis ssem ly d e ssem ly 3.6.3.5 Harness-Fuser Joint and Harness-Fuser AC 1. Pull out the connected part from L ( efer to 3.4.3.4 Lamp-Halogen disassemble method). 2. Pull out the connected part from Thermostat. nd separate the harness from the user. 3.6.3.6 Thermostat Loose the two screws in the red circle and separate it.
  • Page 63 Dis ssem ly d e ssem ly 3.6.3.7 Lever Link Jam R/ Lever Link Jam L fter removing the E-ring and Washer-Plain , separate the lever. - Cap-Fuser Lamp R - Cap-Fuser Lamp L Service Manual...
  • Page 64 Dis ssem ly d e ssem ly 3.6.3.8. Guide Input After loose the fixed one screw on Guide Input, Disassemble it. 3.6.3.9. Pmo Roller Exit / Spring Etc Fuser Exit 1. Disassemble Spring-Etc user Exit. 2. Disassemble Pmo- oller Exit. aution : Do not touch the roller surface of fuser inside 3-21...
  • Page 65 Dis ssem ly d e ssem ly 3.6.3.10 Guide Claw / Spring Ts(6107-001800) 1. Disassemble Spring-Ts. 3. eep holding and push to underneath. 2. Turn around the uide-claw. aution : Do not touch the roller surface of fuser inside. 3-22 Service Manual...

  • Page 66: Lsu

    Dis ssem ly d e ssem ly 3.7 LSU 1. emove the Middle cover ( efer to 3. ) 2. emove 3 screws and unplug 2 connectors. 3. elease the LSU from the rame. 3-23 Service Manual...

  • Page 67: Main Pba

    Dis ssem ly d e ssem ly 3.8 Main PBA 1. emove the left cover. 3. Take off the Main PB after removing 4 screws and all connectors. 2. Take off the -cover after removing 1 screw. 3-24 Service Manual...

  • Page 68: Drive Unit

    Dis ssem ly d e ssem ly 3.9 Drive unit 1. emove the Main PB (refer to 3). 4. Take off the Drive Unit after removing 1 connector. 2. Take off the PB shield after removing 4 screws. Note : 3.

  • Page 69: Solenoid

    Dis ssem ly d e ssem ly 3.10 Solenoid 1. emove the Drive unit (refer to 3). 4. emove the gears. 2. Take off the solenoid after removing 1 screw. . Take off the solenoid B after removing 1 screw. 3.

  • Page 70: Transfer Roller

    Dis ssem ly d e ssem ly 3.12 Transfer Roller 1. Open the front cover. 2. Take out the toner cartridge. 3. Take off the transfer roller by release its right shaft from hook. Cautions : Do not touch the surface of the Transfer oller. 3-27 Service Manual...

  • Page 71: Smps/Hvps Board

    Dis ssem ly d e ssem ly 3.13 SMPS/HVPS board 1. Take out the assette unit. 2. emove rear right cover (refer to 3.3.3 rear cover). 3. emove 11 screws (bottom x 9, rear x 2 ) and 2 connector (SMPS x 1, an x 1). 4.
  • Page 72 Dis ssem ly d e ssem ly . Take off the SMPS H PS board after removing 9 screws and connector. 3-29 Service Manual...

  • Page 73: Pick Up Roller

    Dis ssem ly d e ssem ly 3.14 Pick up roller 1. Take out the assette unit. 2. arefully turn the printer over. 3. Take off the pick up roller after removing 1 screw. 3.15 Cassette holder pad 1. Take out the assette unit. 2.

  • Page 74: Alignment And Troubleshooting

    4.1.1 Control Panel ■ Dell 1135n This control panel may differ from your machine depending on its model. You can copy both sides of the ID Card like a driver’s license to a single side of ID Copy paper.
  • Page 75 Alignment and Troubleshooting Confirms the selection on the screen. Back Sends you back to the upper menu level. Dials fax number, and enters the number value for document copies or other Numeric keypad options. Allows you to store frequently used fax numbers and email addresses or Address Book search for stored fax numbers or email addresses.
  • Page 76 Alignment and Troubleshooting ■ Dell 1133 This control panel may differ from your machine depending on its model. Display Shows the current status and prompts during an operation. Status Shows the status of your machine. Scroll through the options available in the selected menu, and increase or Arrow decrease values.

  • Page 77: Understanding The Status Led

    Alignment and Troubleshooting 4.1.2 Understanding the Status LED The color of the LEDs indicates the machine’s current status. STATUS DESCRIPTION • The machine is off-line. • The machine is in power saver mode. When data is received, or any button is pressed, it switches to on-line automatically.

  • Page 78: Jam Removal

    Alignment and Troubleshooting 4.1.3 JAM Removal 4.1.3.1 Clearing Original Document Jams When an original jams while passing through the document feeder, a warning message appears on the display screen. 1. Remove any remaining originals from the 4. Close the document feeder cover. Reload the document feeder.
  • Page 79 Alignment and Troubleshooting 6. Gently remove the original from the feed area by 7. Close the scanner lid. Load the removed pages carefully pulling it to the right using both hands. back into the document feeder. Note: Ensure the number of originals you place in the ADF does not exceed its tray capacity.
  • Page 80 Alignment and Troubleshooting 4.1.3.2 Tips for avoiding paper jams • Ensure that the adjustable guides are positioned correctly. • Do not overload the tray. Ensure that the paper level is below the paper capacity mark on the inside of the tray.
  • Page 81 Alignment and Troubleshooting In the manual tray Inside the machine 1. If the paper is not feeding properly, pull the 1. Open the front door and pull the toner cartridge paper out of the machine. out, lightly pushing it down. 2.
  • Page 82 Alignment and Troubleshooting In exit area 5. Pull the fuser cover levers down and remove the paper. Return the fuser cover levers to their original 1. Open and close the front cover. The jammed position.. paper is automatically ejected from the machine. If you do not see the jammed paper, go to next step.

  • Page 83: Paper Path

    Alignment and Troubleshooting 4.1.4 Paper Path er P rt i e P rt er P rt i e P rt 4-10 Service Manual...

  • Page 84: Menu Map

    Some menus may not appear in the display depending on models. cv eport - Dell 1133 : 3 in 1 Model (Print, Copy, Scan) - Dell 1135n : 4 in 1 Network Model (Print, Copy, Scan, Fax, Network) 4-11 Service Manual...

  • Page 85: Tech Mode

    Alignment and Troubleshooting 4.1.6 Tech Mode In service (tech) mode, the technician can check the machine and perform various test to isolate the cause of a malfunction. While in Tech mode, the machine still performs all normal operations. To enter the Tech Mode To enter the Tech Mode, press the buttons as following ■...
  • Page 86 Alignment and Troubleshooting ■ Tech mode Menu Map Depth1 Depth2 Depth3 Depth4 Common Data Setup Send Level -9~-15 4-in-1 DTMF Level [Hi]=xx, [Lo]=xx 4-in-1 Pause Time 4-in-1 Dial Mode Tone,Pulse Tone 4-in-1 Modem Speed 33.6, 28.8, 14.4, 12.0, 9.6, 4.8 33.6 4-in-1 Error Rate...
  • Page 87 Alignment and Troubleshooting Data Setup Send Level You can set the level of the transmission signal. Typically, the Tx level should be under -12 dBm. Caution : The Send Fax Level is set at the best condition from factory. Never change settings arbitrarily. DTMF Level This is a setting value of the High level tone and low level tone at DTMF mode.
  • Page 88 Alignment and Troubleshooting Machine Test Switch Test Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window each time you press a key. Test Param Set (Handset Model only) You can set the parmeter for handset standard. Caution : The parameter value is set at the best condition in the shipment from factory.
  • Page 89 Alignment and Troubleshooting Report ■ Configuration Report This report shows the status of the user-selectable options. You may print this list to confirm your changes after changing settings. - Dell 1135n 4-16 Service Manual...
  • Page 90 Alignment and Troubleshooting 4-17 Service Manual...
  • Page 91 Alignment and Troubleshooting ■ Supplies Information Report This report shows the status of toner cartridge. This report includes toner remaining, average area coverage, installed date etc. 4-18 Service Manual...

  • Page 92: Edc Mode

    Alignment and Troubleshooting 4.1.7 EDC Mode The EDC Mode is used to independently control and test each sensor and driver component, so as to more easily service the printer. ■ Method to enter 1. After turn on the system power, check the “Ready” message on the LCD. 2.
  • Page 93 Alignment and Troubleshooting ■ EDC Mode Menu 0. Cover Status Item Description Front Cover When the front cover opened, “Open” message display LCD. If the front cover closed, “Closed” message display LCD. 1. Sensor Status Item Description Regi/Feed/Exit Sensor Manually open and close the actuator of the sensor [Regi, Feed, and/or Exit Sensor] you wish to check, the message “Without Paper”...
  • Page 94 Alignment and Troubleshooting 5. Fuser Ctrl Item Description Temp Control Fuser on and off. “ON” is selected, fuser will be active and display the fuser temperature [XXX] but “OFF” is selected, fuser will be stop. Fuser Temp. Fuser temperature displayed on LCD (example: [170] ) 6.

  • Page 95: Firmware Upgrade

    “ Menu → # → 1 → 9 → 3 → Start ” (Dell 1135n) “ Menu → ID Copy → Left → Right → Menu → Start ” (Dell 1133) after updating Rom file. Notice : All of count values and data saved in MFP will be cleared.
  • Page 96 me t d rou leshooti .1.9 Periodic De ective Im If an image defects appears at regular intervals on the printed-paper, it is due to a faulty or damaged roller. efer to the table below and check the condition of the appropriate roller. oller Period mm Phe ome o...

  • Page 97: Error Message

    Alignment and Troubleshooting 4.1.10 Error Message Messages appear on the control panel display to indicate the machine’s status or errors. Refer to the tables below to understand the messages’ and their meaning, and correct the problem, as is necessary. Checking display messages •...
  • Page 98 Alignment and Troubleshooting Message Meaning Suggested solutions DHCP problem: The IP address assignment is failed. Change the IP address assignment Auto IP Run This happens, when Auto IP for DHCP method to BOOTP or Static. If you is not set in SyncThru Web Service. do not change this option, the DHCP server continually asks to assign the IP Address.
  • Page 99 Alignment and Troubleshooting Message Meaning Suggested solutions Paper Empty There is no paper in the indicated tray. 1. Load paper in the tray. in Tray1 2. If the message does not clear, enter the EDC mode and check the empty sensor.
  • Page 100 Alignment and Troubleshooting Message Meaning Suggested solutions Replace Toner The cartridge is out of toner. Replace the toner cartridge with a Samsung-genuine toner cartridge. Self Diagnostics The engine in your printer is checking Please wait a few minutes. Please wait some problems detected.

  • Page 101: Troubleshooting

    Alignment and Troubleshooting 4.2 Troubleshooting 4.2.1 Procedure of Checking the Symptoms Before attempting to repair the printer first obtain a detailed description of the problem from the customer. Power On - No Power - Power Module error Green LED on? - Main PBA error - Panel PBA error Check the...

  • Page 102: The Cause And Solution Of Bad Image

    Alignment and Troubleshooting 4.2.2 The cause and solution of Bad image 1) Vertical Black Line and Band Description : 1. Straight thin black vertical line occurs in the printing. 2. Dark black vertical band occur in the printing. 1. Damaged develop roller in the Toner cartridge.
  • Page 103 Alignment and Troubleshooting 2) Vertical White Line Description : White vertical voids in the image. Foreign matter stuck onto the window : Clean the LSU window 1. Foreign matter stuck onto the with recommended cleaner(IPA) window of internal lenses Clean the window with a clean of LSU mirror.
  • Page 104 Alignment and Troubleshooting 3) Horizontal Black Band Description : Dark or blurry horizontal stripes occur in the printing periodically. (They may not occur periodically.) Clean each voltage terminal of the 1. Bad contacts of the voltage Charge, Supply, Develop and terminals to developer.
  • Page 105 Alignment and Troubleshooting 4) Black/White Spot Description : 1. Dark or blurry spots occur periodically in the printing 2. White spots occur periodically in the printing 1. If dark or blurry black spots occur periodically, Print several OPC cleaning Mode the rollers in the Developer may be conta- Prints and then run the Self-test minated with foreign material or paper particles.
  • Page 106 Alignment and Troubleshooting 5) Light Image Description : The printed image is light, with no ghost. Check if the Toner Save mode is off. 1. Develop roller Check if the density is light. brush is too thin due to the cartridge being almost empty.
  • Page 107 Alignment and Troubleshooting 6) Dark Image or a Black Page Description : The printed image is dark. Check the state of the connector 1. No charge voltage in the engine board. which connects the engine board and HVPS. 2. Charge voltage is not turned 1.
  • Page 108 Alignment and Troubleshooting 7) Uneven Density Description : Print Density is uneven between left and right. 1. The pressure force on the left and right springs of the transfer roller is not even, the springs are Replace both the left and right damaged, the transfer roller is improperly Spring Holder.
  • Page 109 Alignment and Troubleshooting 8) Background Description : Light dark background appears in whole area of the printing. 1. Does character The toner cartridge is basically exist less than 2% per a page, or has designed to print 7K sheets with machine been left used 5% image.
  • Page 110 Alignment and Troubleshooting 9) Ghost (1) Description : Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. 1. Bad contacts caused by contamination from toner particles between high voltage Clean any contaminated terminals. terminal in the main body and the electrode of the Toner cartridge.
  • Page 111 Alignment and Troubleshooting Continue.. Instruct the customer that the machine has to be at average room 5. Abnormal low temperature temperate in order to produce good (below 10 ). copy quality. Occur in the toner cartridge, 6. Damaged cleaning blade in the replace the toner cartridge and toner cartridge.
  • Page 112 Alignment and Troubleshooting 10) Ghost (2) Description : Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) When printing on card stock Select 'Thick Mode' on paper type thicker than normal paper or menu from the software application transparencies such as OHP, higher...
  • Page 113 Alignment and Troubleshooting 11) Ghost (3) : Fuser Description : Ghost occurs at 75.4 mm or 77.5mm intervals. Disassemble the fuser Unit. Clean the Fuser Rollers, The temperature of the fuser is and Thermistor. being maintained too high. (Caution: can be deformed) 4-40 Service Manual...
  • Page 114 Alignment and Troubleshooting 12) Ghost (4) Description : White ghost occurs in the black image printing at 47.5mm intervals. Occur in the developer cartridge, replace the developer and try to 1. The life of the developer print out. may be expired. Check the approved voltage of the 2.
  • Page 115 Alignment and Troubleshooting 13) Stains on the Face of Page Description : The background on the face of the printed page is stained. 1. Toner leakage due to improperly Replace the toner cartridge. sealed toner cartridge. If the transfer roller is 2.
  • Page 116 Alignment and Troubleshooting 14) Stains on Back of Page Description : The back of the page is stained at 47 mm or 62.8mm intervals. 1. Replace the transfer roller if contaminated severely. 1. 47mm : Transfer roller is 2. Perform the OPC Cleaning Mode contaminated.
  • Page 117 Alignment and Troubleshooting 15) Blank Page Print out (1) Description : Blank page is printed. 1. Check if the Ground-OPC is Bad ground contacts in OPC and/or defective(set inside right side). toner cartridge. 2. Remove contamination of the terminals of the toner cartridge and the unit.
  • Page 118 Alignment and Troubleshooting 16) Blank Page Print out (2) Description : 1. Blank page is printed. 2. One or several blank pages are printed. 3. When the printer turns on, several blank pages print. Remove contamination of the 1. Bad ground contacts in OPC and/or terminals of the toner cartridge.

  • Page 119: The Cause And Solution Of The Bad Discharge

    Alignment and Troubleshooting 4.2.3 The cause and solution of the bad discharge 1) Wrong Print Position Description : Printing begins at wrong position on the paper. Wrong sense time caused by defective Replace the defective actuator feed sensor actuator. 4-46 Service Manual...
  • Page 120 Alignment and Troubleshooting 2) JAM 0 Description : 1. Paper is not exited from the cassette. 2. Jam-0 occurs when the paper feeds into the printer 1. Check the Solenoid by using Replace the solenoid. DCU diagnostic mode 06. 2. Check if the holder pad in the Replace the holder pad.
  • Page 121 Alignment and Troubleshooting 3) JAM 1 Description : 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. 1. If the recording paper is jammed in front of or inside the fuser.
  • Page 122 Alignment and Troubleshooting 4) JAM 2 Description : 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. 1. If the paper is rolled in the Fuser Roller: - This occurs when a Guide claw is Refer to JAM2 flow chart...
  • Page 123 Alignment and Troubleshooting 5) Multi-Feeding Description : Multiple sheets of paper are fed at once. 1. Solenoid malfunction (the solenoid does not work properly): Replace the solenoid if necessary. Perform DCU Diagnostic Code 06. 2. Cassette holder pad is Clean the pad friction with soft contaminated with foreign clothe dampened with IPA matter.(oil...)
  • Page 124 Alignment and Troubleshooting 6) Paper rolled in the fuser Description : If contaminated at intervals of 77.6mm on the back of a paper. After disassembling the fuser, 1. Contamination of the clean contamination between the pressure roller or heat roller heat roller and the thermostor and (Background, Hot off set).
  • Page 125 Alignment and Troubleshooting 7) Paper rolled on the OPC Drum Description : Paper is rolled up in the OPC. Recommend to use normal paper. 1. Paper is too much thin. How to remove the rolled in the OPC Drum. Remove the paper while turning 2.

  • Page 126: The Cause And Solution Of The Malfunction

    Alignment and Troubleshooting 4.2.4 The cause and solution of the malfunction 1) Fuser Error Description : Fuser error is displayed on LCD Replace the fuser if a thermostat 1. Check whether the thermostat, is open. AC wire, and/or heat lamp are open or not.
  • Page 127 Alignment and Troubleshooting 2) LSU Error Description : “PMOTOR ERROR/HSYNC ERROR’ 1. Check whether the LSU Replace a LSU connector is disconnected or not. Replace a main board if the same 2. Check whether the LSU error occurs again after replacing motor is rotating or not.
  • Page 128 Alignment and Troubleshooting 3) Not function of the gear of the fuser due to melting away Description : The motor breaks away from its place due to gear melting away. 1. Replace the Fuser. 1. Check the Heat Lamp. 2. Replace the Main PBA. 3.
  • Page 129 Alignment and Troubleshooting 4) Paper Empty Description : Paper empty error message is displayed on LCD when paper is loaded in the cassette. 1. Bending or deformation Replace the defective actuator. of the actuator of the paper sensor. 2. The function of the Replace the SMPS.
  • Page 130 Alignment and Troubleshooting 5) Paper Empty without indication Description : Paper empty error message does not display when the paper cassette is empty. 1. Bending or deformation Replace the defective actuator. of the actuator of the paper sensor. 2. The function of the Replace the SMPS.
  • Page 131 Alignment and Troubleshooting 6) Cover Open Description : The ERROR lamp is on even when the print cover is closed. Replace the front cover, 1. The hook lever in the front cover. if defective. 1. Check the insertion of the 2.
  • Page 132 Alignment and Troubleshooting 7) No error LED when the cover is open Description : The Error LED does not come on even when the printer cover is open 1. Check the insertion of the 1. Check the connector and Cover Open S/W Connect. circuit of the cover switch department 2.
  • Page 133 Alignment and Troubleshooting 8) No Power Description : When system power is turned on, all lamps on the operator panel do not come on. Replace the power supply cord 1. Check if the power input or SMPS. and SMPS output are normal. 2.
  • Page 134 Alignment and Troubleshooting 9) Vertical Line Getting Curved Description : When printing, vertical line gets curved. 1. If the supply of +24v is unstable in the Main Control board 1. Replace LSU. linking with LSU, check drive by 2. Replace the Main Control board. DCU Mode : LSU Check -05- LSU Motor on.

  • Page 135: The Cause And Solutions Of Bad Environment Of The Software

    Alignment and Troubleshooting 4.2.5 The cause and solutions of bad environment of the software 1) The printer is not working (1) Description : While Power turned on, the printer is not working in the printing mode. Replace the printer cable. If the problems not solved even after the cable replaced, 1.
  • Page 136 Alignment and Troubleshooting 2) The printer is not working (2) Description : After receiving the printing order, no response at all or the low speed of printing occurs due to wrong setup of the environment rather than malfunction of the printer itself. Not working with the message 'insufficient printer memory' means hard disk space 1.
  • Page 137 Alignment and Troubleshooting 3) Abnormal Printing Description : The printer is not working properly even when the cable has no problem (even after the cable is replaced). If the printer will not work at all or the strange fonts are repeated, the printer driver may be defective or wrong setup in the CMOS Setup.

  • Page 138: Fax & Phone Problems

    Alignment and Troubleshooting 4.2.6 Fax & Phone Problems 1) No Dial Tone Description : While on-hook button is pressed, there is no dial tone. If the telephone cord is abnormal, 1. Check if the telephone then try to correct the connection line cord is connected to of tel line code.
  • Page 139 Alignment and Troubleshooting 2) Defective MF DIAL Description : The MF DIAL is not functioning. If you cannot hear the OHD 1. Check if the telephone line is CLICK sound, the OPE Ass'y may connected correctly. be defective. Try to replace the OPE Ass'y.
  • Page 140 Alignment and Troubleshooting 3) Defective FAX FORWARD/RECEIVE Description : The FAX FORWARD/RECEIVE is not functioning. 1. Check if you can hear If the MODEM testing is normal a dial tone by pressing and there is no dial tone, then try OHD.
  • Page 141 Alignment and Troubleshooting 4) Defective FAX FORWARD Description : RECEIVE is functioning, but FORWARD is not functioning or the received data is broken. 1. Check if there is NOISE If it makes NOISE while using when pressing on-hook dial. on-hook dial, replace or repair the telephone line.
  • Page 142 Alignment and Troubleshooting 5) Defective FAX RECEIVE (1) Description : FORWARD is functioning, but RECEIVE is not functioning or the received data is broken. 1.Check if there is NOISE If it makes NOISE while when pressing on-hook dial. on-hooking, replace or repair the telephone line.
  • Page 143 Alignment and Troubleshooting 6) Defective FAX RECEIVE (2) Description : The received data are lengthened or cut in the printing. 1. Check if there is NOISE If it makes NOISE, rearrange the when pressing on-hook dial. telephone line. (Refer to 'Defective FAX RECEIVE'.) 2.
  • Page 144 Alignment and Troubleshooting 7) Defective FAX RECEIVE (3) Description : The phone is ringing continuously, but it cannot receive. Even when the RECEIVE Mode is Check if the RECEIVE Mode is changed to FAX MODE, TEL MODE or FAX MODE. it cannot receive, then replace the main board.
  • Page 145 Alignment and Troubleshooting 8) Defective FAX RECEIVE (4) Description : The received data is reduced by more than 50% in the printing. After checking the data of the Check the FAX status of the forwarding side, correct the forwarding side. FAX of the forwarding side.
  • Page 146 Alignment and Troubleshooting 9) Defective Automatic Receiving Description : The automatic receiving function is not working. 1. If the RECEIVE Mode is set to the TEL MODE, reset it to the 1. Check if the RECEIVE Mode is FAX MODE. TEL MODE or FAX MODE.

  • Page 147: Copy Problems

    Alignment and Troubleshooting 4.2.7 Copy Problems 1) Black Copy Description : Black page is printed out when copy. Check the CIS harness contact 1. Check the CIS problem in main PBA Remake shading profile in the 2. Check shading profile. tech mode.
  • Page 148 Alignment and Troubleshooting 2) White Copy Description : White page is printed out when Copy. Check the CIS harness contact. 1. Check the CIS problem in Main PBA. Remake shading profile in the 2. Check shading profile. tech mode. 4-75 Service Manual...
  • Page 149 Alignment and Troubleshooting 3) Abnormal noise Description : There is noise when copy. Check the right position of the 1. Check the Scanner Motor Scanner Motor, and check the any and any mechanical disturbance. mechanical disturbance in the CIS carriage part. Replace main PBA.
  • Page 150 Alignment and Troubleshooting 4) Defective Image Quality Description : The copied image is light or bad. Perform shading profile in the 1. Check shading profile. tech mode. The gap above 0.5 mm can 2. Check the gap between cause a blurred image. original and scanner glass.

  • Page 151: Scanning Problems

    Alignment and Troubleshooting 4.2.8 Scanning Problems 1) Defective PC Scan Description : The PC Scan is not functioning at all. If the PC and the cable are not 1. Check the Cable (USB) connected properly, reconnect it. After confirming that it is proper by performing a PC printing test 2.
  • Page 152 Alignment and Troubleshooting 2) Defective Image Quality of PC Scan Description : The image PC scanned is not clear or bad. If the CIS waveform form is 1. Check the waveform form abnormal, try to replace the CIS by performing shading test Ass'y.

  • Page 153: Fuser Problems And Solutions

    Alignment and Troubleshooting 4.2.9 Fuser Problems and solutions 1. Jam 2 4-80 Service Manual...
  • Page 154 Alignment and Troubleshooting 2. Abnormal Noise 4 10 4-81 Service Manual...
  • Page 155 Alignment and Troubleshooting 3. Image Defect 77 8 77 8 4-82 Service Manual...
  • Page 156 Alignment and Troubleshooting 4. System Defect 1) Low Heat Error 1 4 1 5 4 1 300 450 4-83 Service Manual...
  • Page 157 Alignment and Troubleshooting 2) Except Low Heat Error 300 450 300 450 4-84 Service Manual...
  • Page 158 5. S Block Di Service Manual...
  • Page 159 5.2 Co ectio Di Service Manual...
  • Page 160 Re ere ce I or . Re ere ce I or required when installing the printer. A definition of test pages and Wireless Network information definition is . Tool or Trou le hooti • DVM (Digital Volt Meter) • Cleaning Equipments •...

  • Page 161: Acronyms And Abbreviations

    Re ere ce I or 6.2 Acronyms and Abbreviations .2. Acro Automatic Background Suppression (a kind of copy feature) GateWay Center Ware CWDP Center Ware Device Discovery Software Internetwork Packet Exchange CWIS Center Ware Internet Services (a kind of image data coding method) DDNS Dynamic Domain Name System (a kind of image data coding method)
  • Page 162 Re ere ce I or Modified Read (a kind of image data coding method) Modified and Modified Read (a kind of image data coding method) MN std Multi-National Standard Sacrified(or Standard) Image Reference Network Control Protocol Network Interface Card SNMP Simple Network Management Protocol Network Operating System Normal Temperature, Normal Humidity...

  • Page 163: Acronyms

    Re ere ce I or 6.2.2 Service Parts ACRONYM EXPLANATION ELA HOU-SCANNER ASS’Y ELA=Electrical Assembly, HOU =Housing MEA UNIT-COVER PA EXIT ASS’Y MEA= Mechanical Assembly, PA=Paper PMO-TRAY EXTENTION MP NE PMO= Processing Mold NE=for NEC (common as Samsung Halk printer) MEC-CASSETTE ASS’Y (LETTER) MEC = Mechanic Combined unit COVER-M-FRONT...
  • Page 164 Re ere ce I or ACRONYM EXPLANATION SPECIAL SCREW (PANNEL MFP) MFP =Multi-Functional Peripheral A/S MATERAL-DUMMY UPPER ASS’Y A/S=After-Service PPR-REGISTRATION EDGE(F) PPR= Processing Press MCT-GLASS SCANNER (LEGAL) MCT= Machinery Cutting CBF HARNESS-OPE OPE=Operation Panel (Control Panel) (D-Sub) a kind of the connector type (shape ‘D’) COVER-SCAN LOWER (UMAX) UMAX=>...
  • Page 165 Re ere ce I or ACRONYM EXPLANATION SPRING CS RE CS=Compress SPRING CS FR CS=Compress PMO-BUSHING FINGER, F F=Front ICT-SHAFT-EXIT LOWER ID ID=Idler SPRING-EXIT ROLL FD FD=Face Down PMO-BUSHING_P/U,MP P/U=Pickup PMO-GEAR P/U MPF P/U=Pickup PBA SUB-MP SEN PBA SUB-MP-SEN =>Sub Printed circuit Board Assembly for the MP-SEN (= Multi-Purpose (Bypass) IPR-GROUND PLATE A(OPC) OPC=Organic Photo-Conductive...
  • Page 166 Re ere ce I or ACRONYM EXPLANATION IPR-TERMINAL FU FU=Fuser PMO-BEARING H/R-F H/R-F=Heat Roller - Front BEARING-H/R L H/R-L=Heat Roller -Left SPRING ETC-P/R P/R=Pressure Roller SPRING(R)-CAU-HOT-FU CAU-HOT-FU = Caution Hot -Fuser PPR-SPONG SHEET PPR=Plastic Press IPR-P_PINCH(SCAN)I PR-P = Iron Press GROUND-P_SCAN ROLLER GROUND-P =Ground-Press IPR-GUARD C/O S/W...

  • Page 167: The Sample Pattern For The Test

    Re ere ce I or 6.3 The Sample Pattern for the Test 6.3.1 A4 ISO 19752 Standard Pattern Service Manual...

  • Page 168: Selecting A Location

    Re ere ce I or 6.4 Selecting a location not set the machine close to the edge of your desk or table. Clearance space • Front: 482.6 mm (enough space so that the paper tray can be removed) • Back: 100 mm (enough space for ventilation) •...

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