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HP Designjet T1100 MFP, 4500mfp,
4500 Scanner and 820 MFP
Scanner Series
Service Manual

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   Summary of Contents for HP Designjet T1100

  • Page 1

    HP Designjet T1100 MFP, 4500mfp, 4500 Scanner and 820 MFP Scanner Series Service Manual...

  • Page 2

    ©Copyright Hewlett-Packard Company The information contained in this The procedures described in this manual 2007 document is subject to change without are to be performed by HP-qualified notice. service personnel only. This document contains proprietary Hewlett-Packard makes no information that is protected by copyright.

  • Page 3

    WARNING The Warning symbol calls attention to a procedure, practice, or the like, which, if not correctly performed or adhered to, could result in personal injury. Do not proceed beyond a Warning symbol until the indicated conditions are fully understood and met. CAUTION The Caution symbol calls attention to an operating procedure, practice, or the like,...

  • Page 4

    HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 5: Using This Manual, Part Numbers

    In order to troubleshoot the printer, refer to the corresponding Service Manual for the printer. Readership The procedures described in this Service Manual are to be performed by HP Certified service personnel only. Part Numbers Part Numbers for service parts are located in Chapter 3.

  • Page 6: Table Of Contents

    Table of Contents 1. Troubleshooting 2. System Error Codes 3. Parts and Diagrams 4. Removal and Installation 5. Scanner Adjustments and Calibrations HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 7

    HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 8: Table Of Contents

    The CD/DVD is stuck in the DVD-ROM and cannot be ejected out. 1-31 Touch screen is working but cannot control the cursor. 1-33 Risks of not running the Scanner Maintenance 1-36 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 9: Troubleshooting Tips, Is The Problem With The Printer Or With The Scanner, Image-quality Problems

    If the original print is the same as the copied print, then the problem is related to the Printer. If the original print is NOT the same as the copied print, then the problem is related to the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 10: No Output Or Output Is Not As Expected, Troubleshooting System Error Codes

    If you have an error code which is not documented in this Service Manual, or you have an error which you cannot resolve, report the error to the HP Response Center or the nearest HP Support Office. When reporting the...

  • Page 11

    Scanner Model: Firmware Release: Firmware Release Date: Firmware Build: FPGA Revision: FPGA Release Date: Boot Code Revision: Boot Code Release Date: Scanner ID Switch: SCSI ID: HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 12

    Light is ON/OFF (Light is detected or not). The Lamp is delayed for approximately 2 seconds when switched ON. Test 6: Motor Test This test checks the functionality of the Stepper Motor and any associated HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 13

    ‘>>’ are used to start the motor and to determine the direction of rotation. When started, the motor runs for dddd mili-seconds as entered into the control field. Test 12: Adjustment of Y-Axis Scaling HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 14

    SCANdump is a tool for remote diagnostic. SCANdump saves the light profile from the cameras, error codes, and statistics. When the test is executed, the file SCANdump.con will be placed in the HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 15

    See 5-32, Calibrate ATAC (Automatic Thickness Adjustment Control) Test 31: Driver Board Communication Test This test checks the communication between the Scanner and the Driver Board. See 5-32, Driver Board Communication Test. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 16: Troubleshooting Issues, Troubleshooting Print-quality And Copy Issues

    Then clean and calibrate the scanner (refer to P24 and P25) Refer to Q2 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 17: Troubleshooting

    Refer to P1. Clean and problem the same when I calibrated? calibrate the scanner (refer to compare the master P24 and P25) print with the copy Refer to Q2 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-10...

  • Page 18

    Printer (not able to print close to the edges) or Panel PC (Hard Disk is full). Check that the margins that are set are not too big. Also check Scanner Media Offsets HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-11...

  • Page 19

    (in case of very irregular waves there could be a mechanical problem with the scanner). T: check motor and belt drive tension according to TSM Refer to Q2 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-12...

  • Page 20: Troubleshooting General Scanner Issues

    Also the scan speed will be slower, and no "back - ups"/reversing is allowed while scanning) Refer to Q2 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-13...

  • Page 21

    TIFF - pack bits as format. You can reduce size even more by selecting JPEG format, but this format will reduce picture quality Refer to Q2 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-14...

  • Page 22

    Go to Q2 network network drivers to the LAN, can you Check the network access the PPC from performance and connection another computer on the to the scanner PPC. network? HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-15...

  • Page 23

    Maintenance did not performing the Scanner Clean the scanner and then Problem succeed Maintenance? run Scanner Maintenance again (refer to P24 and P25). If that does not help, refer to HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-16...

  • Page 24

    Category Problem Question Yes/No C/T Solution Updating How do I update the Insert the System Recovery system? DVD into the DVD drive and reboot the PPC. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-17...

  • Page 25

    Check, and if necessary ON when activating replace: Original Sensor (insert 1 - Original Sensors paper)? 2 - Main Board Check the settings in the software for media loading HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-18...

  • Page 26

    Have you performed Refer to P24 and P25 500xx Scanner Maintenance? Replace Main Board Problem Question Yes/No C/T Solution Error Code 600xx Is it Error Code 600xx Replace Interface Board HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-19...

  • Page 27

    Problem Question Yes/No C/T Solution Ink Printer What is Ink Printer When the original has been Original Original? printed on an Inkjet printer this option should be enabled. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-20...

  • Page 28: Troubleshooting Specific Scanner Issues

    1 - Use Test 6: Motor Test to check the functionality of the Stepper Motor. 2 - Replace the Driver Board. 3 - Replace the Stepper Motor. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-21...

  • Page 29

    Driver Board or the fan. 3 - If the fan and driver board are working correctly, the problem could be related to the NTC Sensor. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-22...

  • Page 30

    Firewire or LEDs also flash. USB. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-23...

  • Page 31: Cleaning The Scanning Area

    Glass Plate. Do not recommend that customers clean the underside of the glass plate; it should only be cleaned by an HP support technician. The Mirrors. It is necessary to remove the Mirror Chassis to get access to the Mirrors for cleaning.

  • Page 32

    5 Dry the glass completely using a separate clean, dry lint-free cloth like the one provided with the maintenance kit. 6 Clean the white background assembly. Wipe the white metal area with a lint-free cloth and a mild, streak-free, glass cleaner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-25...

  • Page 33

    8 Dry the platen and rollers completely using a separate clean, dry lint-free cloth. 9 Close the Guide Plate. 10 Use the dust sheet to protect the Scanner when not in use. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-26...

  • Page 34: Power Failure, Troubleshooting Specific Panel Pc Problems

    The DVD-ROM indicator lights should flash. The system fan should start up if there is power in the Panel PC, if not replace the PSU ⇒ Page 4-98. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-27...

  • Page 35: Boot Up Failure, Lcd/inverter Failure, No Backlight And No Display

    AC SW or cable of inverter or DC-DC converter reconnect it Does the fuse Does inverter have output of P.S. break? voltage? Change Inverter Change fuse Change backlight tube HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-28...

  • Page 36: With Backlight But No Display

    With backlight but no display With backlight but no display Does LCD cable break or disconnect? Change LCD cable or reconnect it Does LCD signal have output? Change LCD Change CPU board HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-29...

  • Page 37

    Output voltage should be between 600V and 710V (typical value is 640V). Input voltage should be 12V±10%. Pin 1 Pin 1 Pin 1 Input connector Output connector Output connector HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-30...

  • Page 38: Ddr Dram Failure, Dvd-rom Failure

    Replace the DVD-ROM ⇒ Page 4-89. The CD/DVD is stuck in the DVD-ROM and cannot be ejected out. Push a pin into the hole at the right side of the DVD-ROM eject button. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-31...

  • Page 39: Image Failure

    Do you see ’Invalid system disk or No-system disk error’ message when you start the computer See Starting Windows Windows loading See File error Image bad message Turn on HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-32...

  • Page 40: Touch Screen Is Working But Cannot Control The Cursor

    Check that the cable between the LCD controller and the LCD is connected in the correct position Replace the LCD controller ⇒ Page 4-92. Replace the LCD ⇒ Page 4-83. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-33...

  • Page 41

    How to Erase the Parameter Block All of the information in the Parameter block is restored when the Scanner Maintenance is run. To erase the Parameter block and run the Scanner Maintenance, follow HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-34...

  • Page 42

    1 Press the Setup tab on the Touch Screen, and then select Options. 2 In the Options dialog box, select Scanning. 3 In the Scan Options dialog box, select Scanner Maintenance. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-35...

  • Page 43: Risks Of Not Running The Scanner Maintenance

    Insufficient camera height alignment: broken vertical lines in camera transition area. Unstitched scanner: overlap or gap between cameras. Wrong colors and color shifts from one camera to another. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 1-36...

  • Page 44: Table Of Contents

    Error Codes Displayed on the Operator Panel 2-3 Error Codes Reported by the Software 2-4 Error Codes for the JetImage Software RIP 2-32 Error Messages for the Touch Screen 2-40 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 45

    If you have an error code which is not documented in this Service Manual or you have an error which you cannot resolve, then report the error to the HP Response Center or the nearest HP Support Office.

  • Page 46: Error Codes Displayed On The Operator Panel

    Refer to Error Codes Guide plate assembly is not in the right position, to solve it Flashing press down the guide plate to move it to the original position (step 0: 2mm/0.8") HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 47: Error Codes Reported By The Software

    Run SCANtest 6, test 9 or 11 and check each Camera Motor functions correctly. System Error: 51-1 Problem Incorrect scanner status. Description: Corrective Action: Try the following: Check the paper path and reload the media. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 48

    Windows failed to unlock STI/WIA device. Description: Corrective Action: Try the following: System Error: 51-29 Problem The connection to the scanner has been lost. Description: Corrective Action: Try the following: Reboot your system. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 49

    Your scanner firmware must be upgraded to run this program. Description: Corrective Action: Try the following: Upgrade the firmware version. If necessary, perform a system recovery using the System Recovery DVD. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 50

    Perform a system recovery using the System Recovery DVD. System Error: 55-201 Problem Could not find ruler on the calibration sheet. Description: Corrective Action: Try the following: Check the calibration sheet for scratches and wear. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 51

    System Error: 55-212 Problem The vertical difference for camera B is too big for automated stitching. Description: Corrective Action: Try the following: Run SCANtest 6, test 11 ⇒ Page 1-6. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 52

    System Error: 55-401 Problem Can’t find stitchlines. Description: Corrective Action: Try the following: Inspect the calibration sheet for scratches or wear and replace it if the problem continues. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 53

    If the problem persists, perform a system recovery using the System Recovery DVD. System Error: 55-510 Problem The IT8 sheet was not recognized. Description: Corrective Action: Try the following: Please reinsert the calibration sheet. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-10...

  • Page 54

    System Error: 55-523 Problem Sheet not recognized Description: Corrective Action: Try the following: Inspect the calibration sheet for scratches or wear and replace it if the problem continues. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-11...

  • Page 55

    System Error: 55-601 Problem Scanner is initializing Description: Corrective Action: Try the following: Turn scanner off and then turn it back on. Wait 15 minutes before running the program. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-12...

  • Page 56

    The camera signals in the scanner is not stitched together. Description: Corrective Action: Try the following: Press OK to allow the scanner to perform the calibration, and then press Cancel to exit the program. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-13...

  • Page 57

    > | System Error: 56-27 Problem Unable to create a temporary ICC profile on the disk. Description: Corrective Action: Try the following: Ensure that hard disk space is available. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-14...

  • Page 58

    Ensure that the file exists in the designated location. System Error: 56-35 Problem Could not read from the file: %s. Description: Corrective Action: Try the following: Ensure that the file path is readable. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-15...

  • Page 59

    Corrective Action: Try the following: Check the CD/DVD media. System Error: 56-44 Problem Unable to write to the CD/DVD. Description: Corrective Action: Try the following: Check the CD/DVD media. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-16...

  • Page 60

    56-69 Problem A folder on the network resource has already been mapped using another Description: name. Corrective Action: Try the following: Disconnect all network folders for the resource. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-17...

  • Page 61

    Problem The scanner does not support this test command in normal mode. Description: Corrective Action: Try the following: Turn off the scanner, and then turn it back on. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-18...

  • Page 62

    System Error: 100-136 Problem The scanner is on standby. Description: Corrective Action: Try the following: Turn on the scanner and retry the operation when the scanner is ready. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-19...

  • Page 63

    Retry the operation when the scanner has finished calibrating. System Error: 100-2000 Problem The scanner is powering up. Description: Corrective Action: Try the following: Wait until the scanner is ready, and then retry the operation. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-20...

  • Page 64

    Ensure that the card is valid and correctly inserted. System Error: 100-2016 Problem The scanner cover is open. Description: Corrective Action: Try the following: Close the cover before retrying the operation. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-21...

  • Page 65

    Check that all the cables are connected correctly to the Main Electronics Board. Run SCANtest 6, test 7 ⇒ Page 1-6 Replace the Main Electronics Board ⇒ Page 4-37. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-22...

  • Page 66

    Corrective Action: Try the following: Check that the Interface Board is correctly installed. Run SCANtest 6, test 7 ⇒ Page 1-6. Replace the Interface Board ⇒ Page 4-39. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-23...

  • Page 67

    Check that all the cables are connected correctly to the ATAC Board and the Main Electronics Board. Run SCANtest 6, test 7 ⇒ Page 1-6. Replace the ATAC Board ⇒ Page 4-44 Replace the Main Electronics Board ⇒ Page 4-37. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-24...

  • Page 68

    Correction of Camera A failed. Description: Corrective Action: Try the following: Clean the white background and the glass plate. Erase the parameter block. Run the scanner maintenance software. Replace the camera board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-25...

  • Page 69

    Correction of Camera B failed. Description: Corrective Action: Try the following: Clean the white background and the glass plate. Erase the parameter block. Run the scanner maintenance software. Replace the camera board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-26...

  • Page 70

    Stitching between Camera A and Camera B failed. Description: Corrective Action: Try the following: Clean the white background and the glass plate. Erase the parameter block. Run the scanner maintenance software. Replace the camera board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-27...

  • Page 71

    Unable to calibrate a camera. Use the following table to identify the failing Description: camera. Camera (A) Camera (B) Camera (C) 40170 40171 40172 40174 40175 40176 40178 40179 40180 40182 40183 40184 40186 40187 40188 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-28...

  • Page 72

    Run SCANtest 6, test 9 ⇒ Page 1-6. Replace the Camera Board ⇒ Page 4-29. Run SCANtest 6, test 7 ⇒ Page 1-6. Replace the Main Electronics Board ⇒ Page 4-37. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-29...

  • Page 73

    Run SCANtest 6, test 9 ⇒ Page 1-6. Replace the Camera Board ⇒ Page 4-29. Run SCANtest 6, test 7 ⇒ Page 1-6. Replace the Main Electronics Board ⇒ Page 4-37. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-30...

  • Page 74

    Board and the Interface Board is correctly installed. Run SCANtest 6, test 7 ⇒ Page 1-6. Replace the Camera Board ⇒ Page 4-29 Replace the Main Electronics Board ⇒ Page 4-37. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-31...

  • Page 75: Error Codes For The Jetimage Software Rip

    Corrective Action: Occurs during file browsing operations, usually due to a share issue. System Error: FP Message -12 Unable to delete the folder. Problem Unable to delete the folder (occurs during file browsing operations, typically Description: HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-32...

  • Page 76

    FP Message -1 No printer selected. Problem No printer selected. Description: Corrective Action: Select a printer. A printer must be configured in the application before trying to print. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-33...

  • Page 77

    Check the printer to make sure it is switched On and connected to the scanner. Try printing a test print to make sure that the printer is working. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-34...

  • Page 78

    01017 Error reading colorsheet. Problem Error reading the colorsheet. The end of the sheet is reached before Description: expected. Corrective Action: Check that the correct colorsheet is being used. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-35...

  • Page 79

    02004 FP Message 02004 Unable to open device for reading. Problem Unable to open the device for reading. Description: Corrective Action: Check that the device (file) is available. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-36...

  • Page 80

    The scanner is initializing. Description: Corrective Action: This happens if you try to scan too quickly after powering On the scanner. Wait a short while and then try scanning again. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-37...

  • Page 81

    17980 Paper jam. Problem Paper jam. Description: Corrective Action: Check rollers and mechanical paper detectors for any paper jam. Once paper jam is cleared, try the operation again. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-38...

  • Page 82: Error Messages For The Touch Screen

    – If No: Choose auto for all IDE detection. Check if HDD can be detected in the boot-up system configuration table: – If Yes: check the boot up files in HDD, recover it if necessary. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-39...

  • Page 83

    Check if HDD can be detected in the boot-up system configuration table: – If Yes: check the boot up files in HDD, recover it if necessary. – If No: replace HDD. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-40...

  • Page 84

    No Floppy Disk detected. Description: Corrective Action: Try the following: Check if the Floppy Disk Drive cable is connected correctly. Reconnect the cable if necessary. Replace the Floppy Disk Drive. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-41...

  • Page 85

    Re-install the SDRAM and check if the problem is solved: – If Yes: There was a poor connection between the Main Board and the SDRAM Memory Module. – If No: Replace the SDRAM Memory Module. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 2-42...

  • Page 86: Table Of Contents

    Drive Assemblies 3-12 Camera Components and Fan 3-14 Electronic Boards 3-16 Touch Screen 3-18 Touch Screen Cabinet Components (Part 1) 3-20 Touch Screen Cabinet Components (Part 2) 3-22 Miscellaneous Items 3-24 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 87

    Parts and Diagrams HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 88: Copier Stand & Touch Screen

    Rear Bar Q6685-60007 Rear Bar Q1277-60041 Q6685-60008 Q6713-60006 Touch Screen (refer to Page 3-18 and Page 3-20 for individual component part number) Q1277-60042 Bracket Q1277-60026 Nameplate Q6685-60002 Nameplate Q6713-60005 Nameplate HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 89

    Keyboard Q1277-60049 Spanish Keyboard Q1277-60050 Portuguese Keyboard Q1277-60051 Chinese Keyboard Q1277-60052 Taiwanese Keyboard Q1277-60053 Japanese Assembly Kit Q1277-60036 (Screws and nuts etc) Assembly Kit Q6685-60003 (Screws and nuts etc) HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 90

    Parts and Diagrams Figure 1: Copier Stand & Touch Screen HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 91: Copier Covers

    (includes Front Panel) Right Cover Q6685-60012 (includes Front Panel) Right Cover Q6713-60007 (includes Front Panel) Q1277-60024 Top Profile Q6713-60003 Top Profile Firewire Q1277-60029 Connector Cover Fluorescent Q1277-60028 Lamp Access Cover HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 92

    Parts and Diagrams Figure 2: Copier Covers HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 93: Top Assemblies

    HP Part Quantity Scanner Model Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 Guide Plate Q1277-60025 Assembly Guide Plate Q6713-60004 Assembly Q1277-60014 Glass Plate White Q1277-60027 Background Assembly Fluorescent Q1277-60013 Lamp HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 94

    Parts and Diagrams Figure 3: Top Assemblies HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 95: Inside Guide Plate

    Copier Stand & Touch Screen Reference HP Part Quantity Scanner Model Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 Q1277-60005 MDA Board Opto Q1277-60008 Interrupter media sensor Q1277-60011 Elevation Motor Elevation Q6713-60002 Moror HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-10...

  • Page 96

    Parts and Diagrams Figure 4: Inside Guide Plate HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-11...

  • Page 97: Drive Assemblies

    Rollers Stepper Motor Q1277-60009 Assembly Q1277-60016 Belt Entry Media Sensor Q1277-60091 (included in Media Sensor Kit) Exit Media Sensor Q1277-60091 (included in Media Sensor Kit) Q1261-60008 Stitching Wire HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-12...

  • Page 98

    Parts and Diagrams Figure 5: Drive Assemblies HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-13...

  • Page 99: Camera Components And Fan

    HP Part Quantity Scanner Model Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 Q1277-60002 Camera Board Q1277-60010 Camera Motor Q1277-60012 Complete Q1277-60033 Camera (without Motor) Complete Q1277-60034 Camera (with Motor) HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-14...

  • Page 100

    Parts and Diagrams Figure 6: Camera Components and Fan HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-15...

  • Page 101: Electronic Boards

    Reference HP Part Quantity Scanner Model Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 Q1277-60090 Scanner PSU Q1277-60001 Driver Board Q1277-60003 Main Board Q6713-60001 Main Board Q1277-60004 Interface Board HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-16...

  • Page 102

    Parts and Diagrams Figure 7: Electronic Boards HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-17...

  • Page 103: Touch Screen

    Touch Screen Copier Stand & Touch Screen Reference HP Part Quantity Scanner Model Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 LCD + Touch Q1277-60059 Screen Touch Screen Q1277-60060 Inverter HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-18...

  • Page 104

    Parts and Diagrams Figure 8: Touch Screen HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-19...

  • Page 105

    Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 Q1277-60065 System Fan Power Supply Q1277-60057 Unit Q1277-60056 Hard Disk Drive Q1277-60064 LCD Controller Q1277-60061 CPU Fan SDRAM Q1277-60058 Memory Module HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-20...

  • Page 106

    Parts and Diagrams Figure 9: Touch Screen Components (Part 2) HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-21...

  • Page 107

    Touch Screen Cabinet Components (Part 2) Copier Stand & Touch Screen Reference HP Part Quantity Scanner Model Description/ Number Comments Drawing DJ820 DJ4500 DJT1100 Q1277-60054 Main Board Q1277-60055 DVD-ROM Q1277-60062 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-22...

  • Page 108

    Parts and Diagrams Figure 10: Touch Screen Components (Part 2) HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-23...

  • Page 109: Miscellaneous Items

    A2 Scan Cover Q1277-60019 Dust Cover 40" Scanner Q1277-60092 Firewire Cable Adjustment Q1277-60084 Tools for ATAC Sensors PPC, Cable Q1277-60093 harness PPC, Power Q1277-60094 switch button Printer Firewire Q1276-60003 Cable HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 3-24...

  • Page 110: Table Of Contents

    Bottom Cover 4-70 Mirror Chassis 4-73 Stitching Wire 4-76 White Background Assembly 4-78 Panel PC 4-79 Open Cabinet 4-79 Screen Bezel 4-82 LCD 4-83 Back Plate 4-84 CPU Cooling Fan 4-86 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 111: Table Of Contents

    DRAM PCA 4-88 The DVD 4-89 The Hard Disk Drive 4-91 LCD Controller PCA 4-92 Inverter PCA 4-93 HDD/DVD Deck 4-94 Main PCA 4-96 Power Supply Unit 4-98 System Fan 4-100 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 112: Safety Precautions

    Switch off the printer, the scanner, and the PC, and then disconnect them from the power source prior to performing any maintenance. Prevent water or other liquids from running onto electrical components or circuits, or through openings in the module. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 113: Required Tools

    Torx 5 L shape Torx 6 L shape Torx 8 L shape Torx 9 L shape Torx 10 L shape Torx 20 L shape Philips PH1 Screw driver Philips PH2 Screwdriver HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 114: Top Cover

    Top Cover. 3. Pull the front part of the Top Cover away from the Scanner in order to release the upper part of the Top Cover. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 115

    Removal and Installation 4. Lift up the Top Cover and remove from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 116: Left Cover

    Cover from underneath. 3. Remove two T20 screws that secure the Left Cover from the side. 4. Remove one T20 screw that secures the Left Cover from the top. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 117

    Removal and Installation 5. Remove the Left Cover from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 118: Right Cover

    1. Remove the Top Cover ⇒ Page 4-5. 2. Remove the Fluorescent Lamp Access Cover. 3. Press the metal tab to release the Flourescent Lamp. 4. Slide out the Fluorescent Lamp. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 119

    5. Remove the Operator Panel Cable from a cable clamp. 6. Disconnect the Operator Panel Cable from the Main Electronics PCA. 7. Remove four T10 screws that secure the Right Cover from underneath. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-10...

  • Page 120

    Right Cover from the top. 9. Remove two T20 screws that secure the Right Cover from the side. 10. Pass the Operator Panel Cable through an access hole. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-11...

  • Page 121

    Removal and Installation 11. Remove the Right Cover from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-12...

  • Page 122: Rear Cover

    Rear Cover to the rear of the Scanner. 2. Lift up and release the left side of the metal shelf. 3. Lift up and release the right side of the metal shelf. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-13...

  • Page 123

    5. Remove five T10 screws (and one washer) that secure the Rear Cover to the lower edge of the Scanner. 6. Remove the Rear Cover from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-14...

  • Page 124: Top Profile

    1. Lift the Top Profile cover so that you can access the rule. 2. Remove the rule from the front of the Guide Plate. 3. Close the Top Profile. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-15...

  • Page 125

    5. Lift up the Top Profile of the Guide Plate. 6. Use an Allen key (size 1.5) to loosen the screw at the left side of the scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-16...

  • Page 126

    Top Profile. 8. Slide the Top Profile slightly toward the left to release the right side of the Top Profile. 9. Remove the Top Profile. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-17...

  • Page 127: Guide Plate

    5. Tie a cable or a piece of string (the yellow cable in the photo) to the Guide Plate Cable to facilitate passing the Guide Plate Cable through the access hole. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-18...

  • Page 128

    8. After passing the Guide Plate Cable through the access hole and the ferrite core, detach the cable you used to assist in pulling it through. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-19...

  • Page 129

    Manually rotate the motor wheel toward you (as shown in the photo) until it no longer turns. 11. Remove one T20 screw that secures the left side of the Guide Plate. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-20...

  • Page 130

    Removal and Installation 12. Remove one T20 screw that secures the right side of the Guide Plate. 13. Remove the Guide Plate from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-21...

  • Page 131

    (1) between the pin (2) and the brass piece (3). 4. To complete the installation of the Guide Plate, follow steps 1-12 from the Guide Plate removal procedure in reverse order. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-22...

  • Page 132: Glass Plate

    2. Carefully lift up the rear of the Glass Plate at both ends. 3. Remove the Glass Plate from the Scanner. Always clean the new glass before installation. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-23...

  • Page 133: Entry Roller Shield

    3. Loosen eight screws on the front side of the Entry Roller Shield. 4. Gently remove the Entry Roller Shield from the Scanner. Be careful NOT to bend it or damage it while removing. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-24...

  • Page 134: Exit Roller Shield

    4. Loosen eight T8 screws on the rear side of the Exit Roller Shield. 5. Gently remove the Exit Roller Shield from the Scanner. Be careful NOT to bend it or damage it while removing. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-25...

  • Page 135: Camera Motor

    4. Remove the Camera Motor from the Scanner. After reinstalling the Camera Mo- tor, make sure you run the Scanner Maintenance. The middle Camera does not have a Motor. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-26...

  • Page 136: Camera Lens Assembly

    3. Disconnect the cable from the Camera Board. 4. Remove three T20 screws that secure the Camera Lens to the Chassis. 5. Release three springs that secure the Camera Lens to the Chassis. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-27...

  • Page 137

    Removal and Installation 6. Remove the Camera Lens Assembly from the Scanner. Make sure you perform the Cam- era Adjustment procedure after re- placing the Camera Lens. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-28...

  • Page 138: Camera Board

    Page 4-26. 3. Disconnect the cable from the Camera Board. 4. Using a size 5.5 wrench, remove the three nuts that secure the Camera Board from the front. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-29...

  • Page 139

    Removal and Installation 5. Using a size 5.5 wrench, remove one nut that secures the Camera Board from the rear. 6. Remove the Camera Board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-30...

  • Page 140: Power Supply Board

    3. Remove the Metal Shield. 4. Remove the T20 screw that secures the grounding cable to the chassis and disconnect ALL the cables from the Power Supply Board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-31...

  • Page 141

    Removal and Installation 5. Remove the three bolts that secure the Power Supply Board. 6. Remove the Power Supply Board from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-32...

  • Page 142: Driver Board

    4. Remove the Metal Shield. 5. Disconnect ALL the cables from the Driver Board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-33...

  • Page 143

    Removal and Installation 6. Remove four bolts that secure the Driver Board. 7. Remove the Driver Board from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-34...

  • Page 144

    3. Unclip the Fan Filter from underneath the Scanner. 4. Gripping the nuts from the top, remove the four T20 screws from the bottom that secure the Fan. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-35...

  • Page 145

    Removal and Installation 5. Disconnect the Fan Cable. 6. Remove the Fan from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-36...

  • Page 146: Main Electronics Board

    4. Move the Main Electronics Board to the left to disconnect it from the connector and to release it from the three plastic locators (located at the rear of the Board). HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-37...

  • Page 147

    5. Remove the Main Electronics Board from the Scanner. After reinstalling the Main Elec- tronics Board, make sure you run the Scanner Maintenance and the ATAC Calibration ⇒ Page 5-32. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-38...

  • Page 148: Interface Board

    1. Remove the Top Cover ⇒ Page 4-5 2. Remove the Main Electronics Board ⇒ Page 4-37. 3. Disconnect the cable from the board. 4. Remove two T10 screws that secure the board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-39...

  • Page 149

    Removal and Installation 5. Release the board from the two plastic locators located at the rear. 6. Remove the Interface board from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-40...

  • Page 150: Stepper Motor

    4. Loosen two T20 screws on the Belt Tensioner Bracket. 5. Push the belt tensioner assembly to the right to release the belt from the Stepper Motor Pully. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-41...

  • Page 151

    Removal and Installation 6. Remove four screws that secure the Stepper Motor to the chassis. 7. Remove the Stepper Motor from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-42...

  • Page 152: Fluorescent Lamp

    Wire while removing or installing the Fluorescent Lamp. After installing a new Fluorescent Lamp, you must also install the new Fan Filters which come with the Lamp ⇒ Page 4-35. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-43...

  • Page 153: Elevation Motor Driver Board

    1. Open the Top Profile. 2. Remove the rule from the front of the Guide Plate. 3. Close the Top Profile. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-44...

  • Page 154

    Top Profile to the Guide Plate. 5. Lift up the Top Profile of the Guide Plate. 6. Disconnect all cables from the Elevation Motor Driver Board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-45...

  • Page 155

    Removal and Installation 7. Remove two T10 screws that secure the Elevation Motor Driver Board to the Guide Plate. 8. Remove the Elevation Motor Driver Board from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-46...

  • Page 156: Elevation Motor

    1. Open the Top Profile. 2. Remove the rule from the front of the Guide Plate. 3. Close the Top Profile. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-47...

  • Page 157

    Guide Plate. 5. Lift up the Top Profile cover of the Guide Plate. 6. Disconnect the Elevator Motor cable (the small connector only) from the Elevation Motor Driver Board. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-48...

  • Page 158

    Guide Plate. 8. Remove two T10 screws that secure the Elevation Motor to the Guide Plate Assembly. 9. Remove the Elevation Motor from the Guide Plate Assembly. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-49...

  • Page 159: Entry Roller

    5. Remove the Entry Roller Shield ⇒ Page 4- 6. Loosen two screws from the Belt Tensioner Bracket. 7. Push the Belt Tensioner Bracket to the right to release the belt. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-50...

  • Page 160

    8. Release the Belt from the Entry Roller Gear. 9. Loosen the T8 Allen screws from the Entry Roller Gear on the left side of the Scanner. 10. Remove the Entry Roller Gear. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-51...

  • Page 161

    13. Remove two T20 screws that secure the Entry Roller Mount Bushing from the right side of the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-52...

  • Page 162

    The Roller Clamps for the Entry and Exit Rollers must not be inter- changed, so please mark the Top Roller Clamp before removing. 16. Remove the Roller Clamp. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-53...

  • Page 163

    18. Remove the Media Entry Switch from the Scanner 19. Slide the Entry Roller towards the pulley end to remove it out of the bearing at the opposite end. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-54...

  • Page 164

    20.Remove the Entry Roller from the Scanner. When removing the Entry Roller note the number of washers on the end of the shaft so that they can be replaced later. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-55...

  • Page 165: Exit Roller

    7. Remove the Exit Roller Shield ⇒ Page 4- 8. Loosen the two T20 screws on the Belt Tension Bracket. 9. Push the Belt Tension Bracket to the right to release the belt. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-56...

  • Page 166

    10. Remove the two T20 screws. 11. Remove the one screw and bushing that secure the piston spring. 12. Remove the two T20 screws used to secure the small silver plate. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-57...

  • Page 167

    Removal and Installation 13. Remove the silver plate. 14. Remove one T20 screw. 15. Rotate the black piece upward to gain access to the Exit Roller Gear. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-58...

  • Page 168

    17. Remove the Exit Roller Gear by sliding it off of the Exit Roller. 18. Remove the two T20 screws that secure the Exit Roller Mount Bushing from the left side of the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-59...

  • Page 169

    20.Remove the one T20 screw that secures the Encoder Sensor Bracket from the right side of the Scanner. 21. Detach the Encoder Sensor Bracket from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-60...

  • Page 170

    23. Remove the Disc Encoder from the right side of the Scanner. 24. Remove the two T20 screws that secure the Exit Roller Mount Bushing from the right side of the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-61...

  • Page 171

    Removal and Installation 25. Remove the Exit Roller Mount Bushing. 26. Remove the two T10 screws from the Roller Clamp that secures the Exit Roller. 27. Remove the Roller Clamp. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-62...

  • Page 172

    29. Remove the Media Exit Rocker Switch from the Scanner. 30.Slide the Exit Roller towards the pulley end to remove it out of the bearing at the opposite end. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-63...

  • Page 173

    31. Remove the Exit Roller from the Scanner. As you remove the exit roller from the Scanner, the Roller Mount Bushing and Exit Roller Gear will fall off the left side of the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-64...

  • Page 174

    You will then be able to affix the screws as shown in the photo and described in step 10 of the removal process. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-65...

  • Page 175

    3. Remove two T10 screws that secure the Entry Media Sensor. 4. Pull out the Entry Media Sensor from below the Entry Roller and disconnect the cable to remove. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-66...

  • Page 176: Exit Media Sensor

    6. Remove the two T10 screws that secure the Exit Media Sensor. 7. Pull out the Exit Media Sensor from below the Exit Roller and disconnect the cable to remove. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-67...

  • Page 177

    4. Cut the cable clamps on the Lamp Power Cable on the left of the Scanner. 5. Using your finger and a screwdriver (or similar implement), press the clips and disconnect the Lamp Power cable. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-68...

  • Page 178

    8. Remove the belt from the Scanner. When reinstalling the Belt, make sure that you adjust the belt ten- sion when securing the Tension Bracket. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-69...

  • Page 179: Bottom Cover

    5. Use a size 2.5 Allen key to remove the two screws that secure the left side of the Scanner to the legs. 6. Remove two screws that secure the right side of the Scanner to the legs. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-70...

  • Page 180

    8. Remove the one T10 screw that secures the left side of the Bottom Cover. 9. Remove the one T10 screw that secures the right side of the Bottom Cover. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-71...

  • Page 181

    Removal and Installation 10. Slide the Bottom Cover backwards. 11. Raise the cover slightly from the front. 12. Remove the Bottom Cover from the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-72...

  • Page 182: Mirror Chassis

    5. Remove the Bottom Cover ⇒ Page 4-70. 6. Remove the two T20 screws from each plastic foot (only the two rear feet). 7. Remove the two rear plastic feet. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-73...

  • Page 183

    10. Remove two locating screws from both sides of the Mirror Chassis. Upon installation, ensure that the rubber is not squeezed. Wiggle the screw to verify that it is correctly fitted. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-74...

  • Page 184

    Removal and Installation 11. Rotate the Mirror Chassis towards you and lift up. 12. Remove the Mirror Chassis. Always clean the mirrors before replacing the Mirror Chassis. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-75...

  • Page 185

    Fluorescent Lamp Guides to the left side of the Scanner. 8. Remove the two T20 screws that secure the Fluorescent Lamp Guides to the right side of the Scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-76...

  • Page 186

    Scanner. 10. Use a 2.5 size Allen key to remove the four screws that secure the Leaf Springs. 11. Remove the Leaf Springs and the Stitching Wire. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-77...

  • Page 187: White Background Assembly

    Plate is in the elevated position. When replacing the White Back- ground make sure it is fully insert- ed and the Red Retaining Cover is installed before you close the Guide Plate. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-78...

  • Page 188: Panel Pc, Open Cabinet

    1. Disconnect all of the cables from the Panel 2. Remove the four T20 screws that are used to secure the Cabinet to the Bracket. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-79...

  • Page 189

    4. Remove the three rubber covers to gain access to the screws underneath them. 5. Use a Phillips screwdriver to remove the three screws at the back of the Cabinet. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-80...

  • Page 190

    Removal and Installation 6. As you open the Cabinet, make sure that you do not damage the cables to the System Fan. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-81...

  • Page 191: Screen Bezel

    1. Apply pressure with a flat head screw driver at the rear of the Cabinet at the places indicaeted. 2. Use a Phillips screwdriver to remove the Screen Bezel from the Cabinet. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-82...

  • Page 192

    1. Remove the Screen Bezel ⇒ Page 4-82. 2. Remove ten screws that secure the LCD to the PanelPC. 3. Carefully lift up the screen and disconnect ALL three cables. 4. Remove the LCD. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-83...

  • Page 193: Back Plate

    PSU to the Back Plate. 3. Remove the metal cover. 4. Use a Phillips screwdriver to remove the two screws that secure the HDD/DVD deck to the Back Plate. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-84...

  • Page 194

    Removal and Installation 5. Use a Phillips screwdriver to remove the three screws that secure the Back Plate to the Cabinet. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-85...

  • Page 195: Cpu Cooling Fan

    1. Open Cabinet ⇒ Page 4-79. 2. Pull up on the two clips that secure the CPU Cooling Fan. 3. Disconnect the CPU Cooling Fan Cable from the Power PCA. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-86...

  • Page 196

    1. Open Cabinet ⇒ Page 4-79. 2. Remove the CPU Cooling Fan ⇒ Page 4- 3. Pull aside the clip securing the CPU. 4. Remove the CPU. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-87...

  • Page 197: Dram Pca

    1. Open Cabinet ⇒ Page 4-79. 2. Push the securing clips to the side to release the DRAM PCA. 3. Remove the DRAM PCA. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-88...

  • Page 198: The Dvd

    1. Open the Cabinet ⇒ Page 4-79. 2. Disconnect the cable from the HDD. 3. Disconnect the cable from the DVD. 4. Remove two screws that secure the DVD. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-89...

  • Page 199

    Removal and Installation 5. Remove the DVD by sliding it out from the PanelPC. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-90...

  • Page 200: The Hard Disk Drive

    PanelPC and remove four screws (two each side) from the frame surrounding the Hard Disk Drive. After reinstalling the Hard Disk Drive you will need to reinstall the system software. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-91...

  • Page 201: Lcd Controller Pca

    1. Open the Cabinet ⇒ Page 4-79. 2. Disconnect ALL cables connected to the LCD Controller. 3. Remove two screws that secure the LCD Controller. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-92...

  • Page 202: Inverter Pca

    3. Use a Phillips screwdriver to remove three screws that are used to secure the inverter PCA to the LCD. 4. Disconnect two cables from the inverter PCA. 5. Remove the inverter PCA. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-93...

  • Page 203: Hdd/dvd Deck

    DVD Deck to the Back Plate. 3. Remove two screws that secure the HDD/ DVD to the Cabinet. 4. Disconnect two cables from the DVD and the HDD. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-94...

  • Page 204

    Removal and Installation 5. Disconnect all cables from the LCD Controller PCA. 6. Remove the HDD/DVD Deck from the PanelPCA. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-95...

  • Page 205: Main Pca

    5. Disconnect the P4 ATX power cable. 6. Disconnect the System Fan Cable. For the purpose of installing a new Main PCA, take note of the cable routing before you remove. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-96...

  • Page 206

    9. Remove eight screws that secure the Main PCA. 10. Remove the Main PCA from the PanelPC. When installing a new Main PCA, make sure you install the compo- nents from the old Main PCA. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-97...

  • Page 207: Power Supply Unit

    System Fan shield to the Back Plate. 3. Remove two screws that secure the Power Supply Unit to the Cabinet. 4. Disconnect the ATX Power Supply Unit Cable. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-98...

  • Page 208

    Removal and Installation 5. Disconnect the P4 ATX Power Cable. 6. Remove two screws that secure the Power Supply Unit to the metal cover. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-99...

  • Page 209: System Fan

    1. Open Cabinet ⇒ Page 4-79. 2. Disconnect the System Fan Cable. 3. Remove two screws that secure the system fan. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 4-100...

  • Page 210: Table Of Contents

    Adjusting the Camera Using the Camera Wizard 5-19 Scanner Maintenance 5-26 ATAC Position Sensors check 5-27 Original Guide Sensor Test 5-28 Calibrate ATAC (Automatic Thickness Adjustment Control) 5-32 Upgrade Scanner Firmware 5-33 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 211: Tools Required

    It cannot be adjusted with your fingers alone. Text in bold describes a mechanical part, an item, or a program button, which can be located in one of the illustrations. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 212: Camera Design Overview

    Scanner Adjustments and Calibrations Camera Design Overview Introduction The HP Designjet scanner uses 3 cameras, where each camera scans its own part of the image. The cameras are named A, B and C. Camera A is on the right and Camera C is furthest to the left.

  • Page 213

    The last row is for panchromatic scanning. Each CCD pixel is formed as a square with a side length of 5 µm. There is 40 µm between the adjacent lines. Grey Line HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 214

    This is an easy and quick way of adjusting the camera, as it does not involve moving the camera itself, but only the camera board, which can be done very precisely. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 215

    Screw first, so that the Vertical Alignment Arm doesn’t move simultaneously. You will normally not adjust directly on the Vertical Alignment Screw, but instead via an extension and through a hole in the scanner front. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 216: Adjusting The Camera Using Manual Procedure

    Guide Plate. Camera A is on the left, Camera B is in the middle and Camera C is on the right. You can zoom in with the buttons on the touch HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 217: Focus Adjustment

    1 Stay in the Software Oscilloscope and select Corrected and then press the Execute button. Only adjust the focus in the corrected mode. Make sure that the Blue color channel is selected. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 218

    The middle pattern is to be used for adjustment Use the operation panel keys to move the sheet so that the cameras see the HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 219

    Loosen the Focus Lock Screw and ensure that it is not too loose. Turn the Lens Adapter until you get this picture on the software oscilloscope HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-10...

  • Page 220

    Scan-Width Units When adjusting the Scan-Width, you adjust up against some line on an Optical Adjustment Pattern. The Optical Adjustment Pattern is a metal construction with a pattern glued HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-11...

  • Page 221

    This ensures that the scanner has the correct optical resolution. Thereby ensuring that the scaling factor of the scanner is correct. Camera A has three A patterns in its view: HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-12...

  • Page 222

    Camera A scans from right to left, so the image above is a mirrored section of the total Scan-Width pattern as the copier actually sees it. The camera only sees a single line of pixels with the green CCD pixel line that HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-13...

  • Page 223

    4 Now press Scan Width under Detail View on the software and the program automatically zooms in on the left and right part (Scanline Start/ HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-14...

  • Page 224

    Scan-Width. Look for the Stitching Wire. There’s only one of these on the right side of HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-15...

  • Page 225

    1 SCANtest 6 should still show Uncorrected Light Profile, Green. If not, change it to those settings. 2 Loosen the Camera Back-Plate Fixing Screws if they are not already loose. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-16...

  • Page 226

    Reference Image, just close) on the left side of the camera, look at the right side of the camera. 5 On the right side (Scanline End) you will get an output similar to one of these: HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-17...

  • Page 227

    8 Once the cameras are adjusted, you will need to adjust the whole scanner to fine-tune it by performing the Scanner Maintenance (refer to Page 5-26). HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-18...

  • Page 228: Preparing The Scanner, Adjusting The Camera Using The Camera Wizard

    2 Start SCANtest 6 and select: 27. Camera Adjustment Wizard. Select button 27 3 The Camera Adjustment Wizard will start with the welcome screen. Select next to contine. Select next to continue HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-19...

  • Page 229

    Operator Panel and backwards towards the back of the scanner. Once the cameras have been validated, select next to continue. Select next to continue HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-20...

  • Page 230

    9 Once the Scanner detects that the Focus Adjustment Pattern is correctly positioned you will be able to select next to continue. Select next to continue (when it appears) HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-21...

  • Page 231

    Select next to continue 12 In this example, the camera requires partial adjustment before completion. Loosen the 3 Camera Back-Plate Fixing Screws and then select next. Select next to continue HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-22...

  • Page 232

    Select next to continue (when it appears) 15 Tighten the 3 Camera Back-Plate Fixing Screws and then select next. Select next to continue HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-23...

  • Page 233

    Select next to continue (when it appears) 18 Loosen the Camera Back-Plate Fixing Screws slightly so that the camera housing can be moved. Select next to continue. Select next to continue HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-24...

  • Page 234

    The Camera Adjustment has now been completed. 21 Perform the Scanner Maintenance to ensure that Color Calibration, Stitching and Vertical Alignment are correct. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-25...

  • Page 235: Scanner Maintenance

    5 Wait for Scanner Maintenance to finish. It takes about 20 minutes. 6 Remember to put the calibration sheets back into the original packing, so that they last longer. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-26...

  • Page 236: Atac Position Sensors Check

    Wait LED turns yellow (Down Position Sensor* activated) Ready LED turns green (Roller sensor activated) Power LED Wait LED Ready LED *The Down Position Sensor cannot be adjusted. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-27...

  • Page 237: Original Guide Sensor Test

    3 Press the UP Key on the front panel of the Scanner to move the Guide Plate up until the Ready LED turns OFF. Ready LED Up key HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-28...

  • Page 238

    Roller Sensor under the roller shaft Adjustment tools Roller sensor fixing screws 8 Check that the green Ready LED is OFF. Ready LED 9 Tighten the two screws that secure the Roller Sensor. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-29...

  • Page 239

    White Background. To avoid possible damage to the White Background, place the cut-out centered over the light aperture of the glass plate. 9 Close the Guide Plate and make sure that both Release Handles are locked. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-30...

  • Page 240

    18 Press the Down Key on the Scanner front panel to move the Guide Plate down until it automatically stops against the adjustment guides. 19 Check that the Power LED is OFF. Power LED HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-31...

  • Page 241: Calibrate Atac (automatic Thickness Adjustment Control)

    To run this test start SCANtest 6 and select: 31. LMx Communication Test. Select button 31 This tests the communciation between the Driver Board and the Scanner. When the test is run it will check the: Lamp HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-32...

  • Page 242: Upgrade Scanner Firmware

    If you have a scanner with software version 14 or earlier, you are required to perform a complete system recovery using the most recent software version in order to upgrade the firmware. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-33...

  • Page 243

    Scanner Adjustments and Calibrations HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 5-34...

  • Page 244

    Preventive Maintenance Preventive Maintenance 6-2 HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 245: Preventive Maintenance

    Model Q1276A (from October'07) HP Designjet 820 MFP Model Q6685 The user can order the Preventive Maintenance Kit #1 through HP Support (P/N Q1277-600013 PMK#1 Lamp Cartridge, Q1277A). The message that appears in the Scanner Messages window is shown HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 246

    Preventive Maintenance below. User Self Replacement parts The scanner components that a customer can order through HP Support are shown below. Part Number Description White Background Assembly, 40/ Q1277-60027 42" Guide Plate Assembly Q1277-60025, Q1277A, and Q6685 Replace the scanner maintenance parts You can replace key scanner parts that wear down over long-term use.

  • Page 247

    3. You must replace the whole lamp-unit. A lamp-unit consists of a lamp mounted in a reflector brace and fixed power connectors. Grasp the edge of the lamp-unit and carefully pull it out of the scanner. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 248

    The air filters protect your scanner's air-cooling vents and keep out dust and unwanted particles. To replace the air filters: 1. Turn off the scanner and disconnect the power plug. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 249

    Small scratches on the glass plate can reduce scanning quality. Replacement with a new glass plate can be recommended by the program. Before replacing the white background platen, you should try to clean glass plate to HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 250

    2. Push down on the two lever buttons found near the insertion slot on each side of the scanning area lid. The scanning area lid locking mechanism should now be disengaged. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 251

    5. Each lever is attached to the scanner chassis with a small hook that rests on a pin. With your thumbs still on the handles, simultaneously lift both levers HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 252

    Before replacing the white-background platen, clean it to see if errors or image defects are alleviated. To replace the white-background platen: 1. Turn off the scanner and disconnect the power plug. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual...

  • Page 253

    The scanning area lid locking mechanism should now be disengaged. 3. As you hold both lever buttons down, place your free fingers in the insertion slot and flip the scanning area lid open. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 6-10...

  • Page 254

    6. Slide in the new white-background platen. 7. Reattach the red strip. 8. Close the scanning area lid so the locking mechanism engages. HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 6-11...

  • Page 255

    Preventive Maintenance HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual 6-12...

  • Page 256

    About this Edition This is the 4th edition of this Service Manual...

  • Page 257

    - HP Designjet 820 MFP - Model Q6685 - HP Designjet 4500mpf - Model Q1276A For information about using these printers, refer to the corresponding User and Quick Reference Guides. The procedures described in this manual are to be performed by HP-qualified Service Personnel only.

  • Page 258

    © 2007 Hewlett-Packard Development Company, L.P. Printed in Germany Imprimé en Allemagne Stampato in Germania www.hp.com...

This manual also for:

4500mfp, 4500, 820 mfp

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