Page 3 - Related Scangraphics Documentation
Preface Purpose and Scope The purpose of this manual is to provide the information necessary to keep the CF Series Scanner in proper working order through regular preventive maintenance and provide the required information for a trained electronics technician to effect repairs. This manual takes pro...
Page 10 - SYSTEM OVERVIEW
Revision Record Rev. No. Date Action 0 12-10-95 Original draft. 1 05-24-96 Added sections 1-4 and Appendices A & B 1 SYSTEM OVERVIEW The CF Series Scanner is a highly versatile data capture device, providing choices in speed and resolution and producing high quality data. It also allows a choice...
Page 11 - CF Series Scanner: Features and Specifications; User Interface
1 CF Series Scanner: Features and Specifications This chapter provides a brief overview of the features available and the specifications that apply to the various CF Series Scanner models. 1.1 Features The CF Series Scanners offer a wide range of features that permit the user to set up an ideal conf...
Page 12 - Solid construction based on the 1000 dpi model
Echo Scan, you can fine tune the scan parameters for the best possible image quality in all areas of the document . Diagnostics • Self-diagnostic tests are performed at power-up and on rebooting, unless manually overridden. • More powerful, menu-driven, internal diagnostic software is available for ...
Page 13 - Functional Specifications; Scan Speed; Resolution
1.2 Specifications The scanner is designed to operate in a typical office environment, with options available for different user needs. Functional Specifications • Scan Speed Speed can range from 3.9 to 138.5 inches per minute, depending on the selected scan resolution. Refer to Table 1-A for a comp...
Page 14 - Note: Measured over 20 inches for all CF Series scanners.; Input Characteristics
• Accuracy/ Repeatability .04% lateral Note: Measured over 40 inches for CF Series 44 scanners, and over 35 inches for CF400/36 scanner. .04% longitudinal Note: Measured over 20 inches for all CF Series scanners. • Imager Sensor Multiple CCD arrays • Transport Continuous feed Input Characteristics •...
Page 15 - Environmental Specifications
• Voltage 115 15% volts (a.c.) 220/240 15% volts (a.c.) (optional) • Current 5.5 amps maximum (115 volts) 3.0 amps maximum (220/240 volts) • Frequency 50/60 Hz ±5% Environmental Specifications • Operating Ambient Temperature 18 to 30C (64 to 86F) • Non-Operating Temperature 5 to 40C (41 to 104F) • H...
Page 22 - MAJOR SYSTEMS OF SCANNER; on the scanner itself, or a combination of the two.
3.1 MAJOR SYSTEMS OF SCANNER To provide a general overview of how the CF Series Scanner works, the remainder of this section will discuss the various systems that comprise the scanner. 3.1.1 Scanner Control System The CF Series Scanner may be controlled by the host computer, by the optional keypad o...
Page 23 - Model
6. Two pulley-driven drive rollers, one on each side of the scan window, are located on the bed of the scanner. Applying pressure against these two drive rollers are two free-turning rollers mounted in the lid of the scanner. 7. Three light sensitive sensors determine the position of the document. 3...
Page 25 - A metal mesh air filter covers the air intake vent.
3. The scanner has a switching power supply which provides an output of +5 V.D.C. for both the front-end video camera system and the Multibus card cage. 4. The scanner has three linear power supplies which provide outputs of +12 V and -12 V for both the front-end video camera system and the Multibus...
Page 27 - PREVENTATIVE MAINTENANCE
4 PREVENTATIVE MAINTENANCE 4.1 DAILY As a start-up check each day, inspect the scan window daily (or more often if conditions warrant it). If dirty, clean it using a clean soft lint-free cloth and glass cleaner. When cleaning the scan window, great care should be taken to not use so much glass clean...
Page 29 - DIAGNOSTIC SOFTWARE; Figure 5-7 CF Series Scanner Main Menu
5 DIAGNOSTIC SOFTWARE 5.1 On-Board Diagnostic System The Main Menu shown in Figure 5-7 is typical for a CF Series 1000 scanner. The Main Menus for the other CF Series Scanners are similar. The functions on the Main Menu are the same as those on the keypad and the scanner can be operated from either ...
Page 32 - Figure 5-9 Global Parameters Menu; : In the example, the scanner has a maximum
5.1.1 Set Global Parameters (1) The Global Paramerters affect all scanner operations and will affect your entries in other menus. When you press <1> for “Set Global Parameters,” a menu display similar to that in Figure 5-9 appears. The values shown in this example are typical for a CF Series 1...
Page 34 - Figure 5-10 Parameter Backup Menu
5.1.2 Perform System Initialization (2) When you press <2> to select this option, all parameters and register values are reset to those stored in the NVRAM Boot Parameter File on the CALS Board. The Main Menu then returns. 5.1.3 Parameter Backup (3) This option, <3>, provides a safe stor...
Page 36 - Set Motor Speed Menu; Press the appropriate
5.1.4 Set Motor Speed (4) Press option <4> to set the motor speeds to be used for each resolution. The Resolution Index is a common index which combines a set of parameters -- resolution (samples taken per inch), motor speed, and the splice count. Lower resolutions run at a faster speed than h...
Page 37 - Update Resolution A Speed
The number of resolutions entered in the Global Parameters will determine the functionality of this table. For example, the CF 300 with three resolutions will use motor speed values entered in A through C when different resolutions are selected from the Main Menu. If you press <T> to tune the ...
Page 38 - The command sets the splice counts of all cameras to zero.; Splice Count Listing Example from a CF 1000/44
5.1.5 Splice Counts (5) The Splice Counts option provides a method to list and modify line splice settings. The counts are usually set interactively through choice 8, "Merge & Splice Adjustment," on the Diagnostic Tests menu ( see 5.1.8 ) . When you press <5>, a display similar to ...
Page 40 - Focus and Magnification Menu; A white background strip that is the same size as the scan window.
5.1.6 Focus and Magnification (6) When you press <6> to select the "Focus and Magnification" option, the sub-menu shown in Figure 5-14 will appear. From here, you may press <F> to select "Focus", <M> to select "Magnification," or F : Focus M : Magnification ...
Page 42 - Sample Focus Display
5.1.6.1 <F> Focus When adjusting the focus, the local control terminal acts as a digital oscilloscope, graphically representing the voltage level output by the CCD. When you press <F> for Focus, a display similar to that in Figure 5-15 will appear. & & & & & & &am...
Page 43 - Procedure for Adjusting the Camera Focus:; The first four steps of this procedure -- as well
Press <P> to specify the pixel from which you wish to begin your display, and then enter a four-digit decimal value where the cursor appears. The ampersand (&) at the top of the screen will represent this pixel. Press <T> to choose between the three data sampling methods. The choices...
Page 44 - Place the weight on top of the white background strip.; does; affect the magnification.
1. Open the scanner top cover and remove the rollers and document plate. 2. Place the Standard Target Document upside down on top of the scan window. The center line of the target (barbell shape) should be directly above the center of the camera being tested. 3. Place the white background strip on t...
Page 47 - Procedure for Adjusting Camera Magnification:; Open the top cover and remove the rollers and document plate.
Procedure for Adjusting Camera Magnification: The first four steps of this procedure -- as well as the required equipment, tools, and materials -- are the same as for adjusting the focus of the camera. NOTE: In practice, both the focus and magnification of a given camera should be set before moving ...
Page 48 - model, please use the following table to find the values.; Magnification Values for CF300
NOTE: On CF 300/44 models, the multiple should be 60, rather than fifty. If you have this model, please use the following table to find the values. Magnification Values for CF300 3540 4020 4500 4980 3600 4080 4560 5040 3660 4140 4620 5100 3720 4200 4680 5160 3780 4260 4740 5220 3840 4320 4800 5280 3...
Page 52 - Figure 5-17 Merge and Splice Adjustment Menu
5.1.8 MERGE AND SPLICE ADJUSTMENT (8) This feature lets you precisely adjust the effective camera position to eliminate discontinuities across camera boundaries. Merging is adjustment along the scan line. Splicing is adjustment perpendicular to the scan line. ________________________________________...
Page 54 - Diagnostic Test Menu.
• F (fast) Allows you to speed up document travel to get to a specific place on the document. It toggles between “fast” and the scanning speed previously set. • X (exit) Press <X> to exit the Merge and Splice Adjustment menu and return to the Diagnostic Test Menu.
Page 56 - Procedure for Mechanical Line Splice Adjustment:
5.1.8.1 Line Splice Adjustment Line splicing is matching or aligning the cameras so they all will encounter a line parallel to the row of the cameras at the same times. If the cameras do not encounter the data at the same times, the line will appear broken. If one camera encounters data before adjac...
Page 57 - Answer “yes” to the prompt, “ Use Electronic Splice.”; Procedure for Adjusting Camera Merge:
5.1.8.1.2 Adjusting Line Splice Electronically Procedure for Electronic Line Splice Adjustment: 1. Access the Diagnostic Tests Software and select “ Splice and Merge Adjustment.” Answer “yes” to the prompt, “ Use Electronic Splice.” 2. Scan a test document and adjust each boundary. 3. Save the chang...
Page 58 - ; Figure 5-24 Set Autosize Parameters Menu
5.1.9 AUTOSIZE PARAMETERS (9) <This function is not implemented on any host scan softwares.> When you press <9> to select auto size parameters, a menu similar to that shown in figure 5-24 will appear. This menu allows you to tune and test the scanner’s automatic sizing function. ----- AU...
Page 59 - Do you want to initialize CCB; Figure 5-25 Set CCB Registers Menu; “Hit any key to exit,”
5.1.10 SET CCB REGISTERS (A) “Set CCB registers” allows you to view and alter the contents of the registers on the CCB (Camera Controller Board). These registers store the parameters controlling the function of the camera. When you press <A> for “Set CCB Registers”, the prompt, “ Do you want t...
Page 62 - Figure 5-28 Page Offsets Menu; “RESOLUTION”
5.1.13 PAGE OFFSETS (D) Page Offset is a delay count used to accurately position the document at the scan window after loading ( using Auto scan mode ). The count varies with scanning resolution and scanning speed. When Page Offset is adjusted accurately, there will be no significant underscan or ov...
Page 72 - appears. Enter a valid camera number ( no
5.1.14.17 Y : Camera Delay (Factory Use ONLY) Writes a specified value to the Camera Delay Register on the video motherboard. This command is reserved for factory use. 5.1.14.18 C : Calibration Memory Test Does a write, read, and compare on the calibration memory using four test patterns. If no erro...
Page 74 - Figure 5-31 Resolution Control Display.; Resolution”
5.1.15 (F) RESOLUTION CONTROL The option is used to set scanning resolutions and their corresponding display strings. Resolutions are selected by a letter index A-H. The number of resolutions that appears is governed by the number set in the Global Parameters. When you press <F> to select “Res...
Page 76 - will appear. Enter the letter; W x R; Display String
5.1.16 (G) DOCUMENT SIZES This option allows you to set the active scan area for each document size (A-H). When you choose this option, the display will be similar to figure 5-32. The actual width values depend on the particular model. The one illustrated for A through E, for example, is for a CF 50...
Page 77 - RUN SELF TESTS
5.1.17 (H) RUN SELF TESTS When you press <H> to select self tests, the scanner will perform up to nine self tests. ( The scanner does not use tests 7, 8 and 9 if the display system is not installed.) Self Test 1 CPU RAM: This test the random access memories on the CPU Board. Self Test 2 Cals B...
Page 78 - only; when the NVRAM contents have been
5.1.18 (I) RESTORE NVRAM This command returns system boot-up parameters stored in non-volatile memory to their factory default settings. This command is used in the manufacturing process when creating a new scanner. It should be used in the field only when the NVRAM contents have been destroyed by a...
Page 84 - Figure 5-33 SCSI Buffer Parameters Menu.; Returns to the Main Menu .
5.1.22 (M) SCSI BUFFER PARAMETERS <These settings are only adjustable with the host control software.> When you press <M>, a menu displays the current settings of the data buffer on the SCSI interface board as shown in figure 5-33 below. ----- SCSI BUFFER PARAMETERS ----- UPPER THRESHOLD...
Page 86 - “4. Save Parameters “
5.2 SAVING PARAMETER CHANGES TO NON-VOLATILE MEMORIES All the programmable system parameters and calibration values are stored in non-volatile memories. They are stored on two different modules. The pixel gain correction values and camera exposure values are stored on the Video Motherboard and are a...
Page 87 - SAVE; command by either method described above.
2. Locate the CALS Board which is in the left-most slot of the card cage. 3. Locate the memory write protect switch, SW1, on the CALS Board. 4. Turn the toggle switch down (memory write enable position). The toggle switch is factory set to the down position. 5. Issue the SAVE command by either metho...
Page 88 - REPLACEMENT: COMPONENT AND; Procedure to Remove the Front Cover:
6 REPLACEMENT: COMPONENT AND SUB-ASSEMBLY 6.1 TASK -- REMOVING SCANNER COVERS AND PANELS Equipment, Tools & Materials Required: • 5/32 inch Allen wrench • Standard Flat-head Screwdriver Procedure to Remove the Front Cover: 1. Use a 5/32” Allen wrench to open the two latches on front cover, then ...
Page 89 - Procedure for Replacing Belt and Adjusting Tension:; Disconnect the power completely, remove the AC power cord.
6.2 TASK - - BELT REPLACEMENT AND TENSION ADJUSTMENT Equipment, Tools & Materials Required: • 5/32 inch Allen wrench • Standard Flat-head Screwdriver Procedure for Replacing Belt and Adjusting Tension: 1. Disconnect the power completely, remove the AC power cord. 2. Lift up the lid of the scanne...
Page 90 - Procedure for Installing and Replacing Imaging Lamp :; Disconnect the power completely remove the AC power cord.
6.3 TASK - - LAMP INSTALLATION AND REPLACEMENT Equipment, Tools & Materials Required: • Long 7/64 inch hex driver • 5/32 inch Allen wrench • Standard Flat-head Screwdriver Procedure for Installing and Replacing Imaging Lamp : 1. Disconnect the power completely; remove the AC power cord. 2. Remov...
Page 92 - Standard Slot-head Screwdriver; Procedure for Removing and Replacing Camera Assembly:; Disconnect the cables.
6.5 TASK - - CAMERA ASSEMBLY REMOVAL and REPLACEMENT Four slot-head screws secure the camera board to the camera shelf. Connection to the rest of the system are made from the camera board. The camera board is connected by a ribbon cable and by one coax cable to the Video Board. Equipment, Tools &...
Page 93 - Procedure for Adjusting Video Board:
6.6 TASK -- CAMERA CALIBRATION The following conditions require calibration of the scanner’s cameras: Replacement of any of the following components: CCD Camera Board Video Board Imaging Lamp Detection of image degradation Adjustment of +5 V, or +12 V Linear power supply voltages. All of the softwar...
Page 94 - Small flat head screwdriver or potentiometer tweaker; Camera Board Offset Adjustment Procedure: ( Repeat for Each Camera ); You should either see all zeroes or some numbers on the screen.
6.6.2 Camera Board Offset Offset is the adjustment for total darkness as perceived by the cameras. Equipment, Tools & Materials Required: • Small flat head screwdriver or potentiometer tweaker Camera Board Offset Adjustment Procedure: ( Repeat for Each Camera ) 1. Activate “AUTOTAKE” and enter t...
Page 96 - NOTE
6.7 TASK - - CHECKING AND ADJUSTING VOLTAGES Refer to the following tables for location and adjustment points of the various power supplies in the system. ____________________________________________________________________ NOTE : The following conventions apply when interpreting these power supply ...
Page 98 - Full functioning of all fans; Standard Flat-head Screwdriver; Procedure for Replacing Fans:
6.8 TASK - - FAN REPLACEMENT Full functioning of all fans is essential to the operation of the scanner because overheating can damage the unit. Three fan AC fans are mounted in the CF series scanners to dissipate the heat produced by the lamps and the electronic hardware. One of these fans is mounte...
Page 100 - must be
*!#")!"! # %" )-,,"&" "(!$""!"#"$!.(-+ #" +!! & "$"" ( "'+ + #!#&#"++ # ( I. "Terminal" Setup A. Open the "Terminal" program B. Under "Settings" 1. “Terminal Emulation" - Select DEC VT-100 (ANSI) ...
Page 101 - III. Host Serial Connection
III. Host Serial Connection A. Pin connections for the 9 pin D-subminature female connector on the rear connection panel of the CF scanner. 1. The scanner Transmits data from pin #2. 2. The scanner Receives data on pin #3. 3. The signal ground is pin #5 B. Cable requirements for using PC type serial...
