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SCAMAX

®

2600/4000

Tech. Manual 06/2002

T-17

The reading of the CCD linear sensor and conversion into digital values described above takes place on
two channels. One channel each for odd and even pixels. With colour two channels are used for each
colour.

A shielded ribbon cable is connected to the CCD board (two for colour), which provides the connection to
the controller board and for colour also to the video interface.

Both mechanical and electronic adjustments are accomplished by using the service program.

3.1.1 Camera types

Two different types of CCD linear cameras are used for the SCAMAX

®

2600/4000

scanners.

SCAMAX

®

2600

:

B&W CCD linear camera Type 0

B&W CCD linear camera Type 3

SCAMAX

®

4000

:

Colour CCD linear camera Type 2

CCD linear camera Type 0

CCD linear camera Type 3

CCD linear camera Type 2

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Содержание SCAMAX 2600

Страница 1: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 1 Service Manual Document Scanner SCAMAX 2600 4000 As at 04 06 2002 SB...

Страница 2: ...BOARD 33 3 6 ULTRASOUND DOUBLE FEED DETECTOR 35 3 7 FOOTSWITCH 36 3 8 ENDORSER 36 3 8 1 Printhead 36 3 8 2 Photocell 37 3 8 3 Processor Board 37 3 8 4 Endorser Settings 39 3 8 4 1 Print Density for T...

Страница 3: ...ndition dependent Faults with GAL 2 3 59 3 13 3 Paper Feed with Separation System 60 3 13 4 Rubber Roller Pairs two 63 3 13 5 Paper Output Path 63 3 13 6 Output Hopper 64 3 13 7 Drive Mechanism with S...

Страница 4: ...th two scan units for double sided scanning and SCSI interface s2600040 SCAMAX 4000 Simplex Video Colour with one scan unit for single sided scanning and video interface s4000010 SCAMAX 2600 Duplex Vi...

Страница 5: ...be set for each stack or single sheet Document feed automatic from stack or single sheet hand feed Stack height max 50 mm Double Feed Detection document length check and ultrasound sensor Video Port o...

Страница 6: ...depth 510 mm 365 mm 650 mm Weight 39 kg Endorser the optionally fitted endorser facilitates printing of free dorm text date time and sequence number on the back of documents Environmental requirements...

Страница 7: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 7...

Страница 8: ...board can be installed for each scan module This enhances image quality greatly Image information is transmitted digital bitonal black white from the scanner s video interface to the video board f ex...

Страница 9: ...e SCAMAX 2600 can be fitted with a greyscale interface The greyscale interface passes image information in 8 bit form 256 grey levels to the scan PC Scanner module front page Scanner module reverse pa...

Страница 10: ...board It converts the images to bitonal black white format for the front and back respectively and transmits it separately to the scan PC As can be seen in the drawing one port each for bitonal and gr...

Страница 11: ...lex models The controller board controls all process in the machine The I O board converts TTL signals from the controller board into the signals required by the various users such as motors It also c...

Страница 12: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 12...

Страница 13: ...t is deposited into the output hopper In the scan area the sheet is illuminated by one or two fluorescent lamps simplex or duplex The lamps are offset to each other to minimise print through The light...

Страница 14: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 14...

Страница 15: ...peed being 20 MHz This means that each second an enormous amount of image information is read and output i e 20 megapixels for bitonal and 60 megapixels for colour 20 for each channel red green blue T...

Страница 16: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 16 Illustration of optical reduction...

Страница 17: ...oard two for colour which provides the connection to the controller board and for colour also to the video interface Both mechanical and electronic adjustments are accomplished by using the service pr...

Страница 18: ...change of the camera board will yield the result desired This methodology has the advantage of retaining the optical alignment of the camera 3 1 2 1 Changing Camera Board Type 2 3 Switch off Scanner A...

Страница 19: ...ead 3 1 2 2 Changing Camera Board Type 0 The difference to the procedure described under 1 1 2 1 is that the camera type 0 has two boards mounted on top of each other The board having the potentiomete...

Страница 20: ...must be absolutely free from dust and grease Clean it Insert the complete camera unit into the adjustment frame ensuring the springs are forward Check that springs are not bent Compress the springs s...

Страница 21: ...edge of paper must be parallel Transport paper step by step into the scan slot By turning the set screws A B a quarter of turn at a time adjust the camera until the left and right side of the signal d...

Страница 22: ...ustration 5 Illustration 4 Point of view Scan slot Back side Point of view Scan slot Front side Viewd through drill holes Point of view To align Paper Paper Scan slot Paper edge Lamp holder Rear paper...

Страница 23: ...the lens holder till maximum deflection is achieved Fasten camera and lens holder and check centre setting again Set CCD sample delay D key When completed insert sheet in landscape mode and perform wh...

Страница 24: ...ing the service program menu option Camera Test the camera signal is adjusted to a value of 20 lower auxiliary line via potentiometers P2 and P4 Both channels must be identical Remove the black calibr...

Страница 25: ...dpi IMPORTANT switch off cropping and deskew View the resulting image using an image viewer If the image shows a black border on one side the camera has to be adjusted via the set screw C This process...

Страница 26: ...0 Baud 4 X1 34 pin X2 34 pin X3 34 pin X4 34 pin Output control cable to PC Shielded cable from back camera Shielded cable from front camera PC interface or SCSI Board bitonal to I O board position PL...

Страница 27: ...face 8 Bit parallel Binarisation when using fixed threshold or one dimensional automatic threshold is executed in the LCA s of the controller as well DIL Switches are used to set the baud rate and sel...

Страница 28: ...E B Version Camera type A B W 2 boards E B W 2 boards Release B B W 1 board C Colour Identifier Controller type A LCA Type A E LCA Type E Type A is only found in older SCAMAX 2500 or 5000 An EEPROM st...

Страница 29: ...ion necessary for the changeover 1 Remove the left hand cover and the cover plate of the controller 2 Remove all cables and the EPROM FIRMWARE from the controller 3 Remove the four M4 nuts and change...

Страница 30: ...st be checked and if necessary cleaned during each preventative maintenance session If a DTplus board is not installed no fan will be fitted The DT plus board sits logically between the camera front a...

Страница 31: ...l 06 2002 T 31 camera can easily be led to the scan PC To achieve this the 40 pin plug on the DTplus board is connected to the scan PC For EMV technical reasons these plugs are only fitted if this fea...

Страница 32: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 32 Scanner module DT plus Board VST Controller Board 8 bit grey scale 8 bit grey scale to Scan PC Video bitonal Video bitonal to Scan PC...

Страница 33: ...microswitches found on the left hand side of the machine are connected to the I O board two microswitches controlling the positioning of the input hopper plate for single sheet feed one at the top th...

Страница 34: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 34...

Страница 35: ...Paper passes trough the unit at a distance of about 7 mm from the transmitter The ultrasound transmitter generates ultrasound waves 20 kHz that travel through the paper and are received by the ultraso...

Страница 36: ...he maximum paper thickness without changing the paper thickness selector 3 8 Endorser The endorser prints information like date time sequence number and so on on the back of the documents during the s...

Страница 37: ...board This means each document that passes the photocell will be printed on This principle of operation applies to both regular documents as well as double feeds and or oversized documents The sequenc...

Страница 38: ...nd the PDIAG program started Remove the 10 pin plug of the ribbon cable from the controller To restore all settings to the original factory settings load the file INOTEC EEP by pressing F5 Subsequentl...

Страница 39: ...rolled by the paper transport speed of the scanner Resolution of a line is 360 dpi This results in a character height of 4 5 mm at 64 pixels The parameters that can change the typeface in the horizont...

Страница 40: ...sets the print density according to the resolution selected Changing this value is only possible on a temporary basis Print density for barcodes however can be set as a percentage of text density At 1...

Страница 41: ...e a character distance has been implemented which is achieved by inserting blank pixel lines Blank lines can be inserted within certain limits to improve the character display 1 2 3 4 5 6 1 2 3 4 5 6...

Страница 42: ...ine is Thickness x 2 Thickness for text and barcodes is handled separately by the endorser 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 64 63 Horizontal Pixel Printdirection Pixel Line 7 8 9 10 11 12 Thickn...

Страница 43: ...ware But it can also be set via the menu 3 8 4 7 Print Position Time KopfStbyZeit If the print head is in the print position and no printing takes place within the time set in secs it is automatically...

Страница 44: ...uttons the user is guided through the menu The following picture shows the functions of the three buttons Scrolling through the menu is accomplished downwards by the left button and upwards by the mid...

Страница 45: ...000 Edit the lower 4 positions of the counter S Density Density 2400 Edit print density for text printing C DensityBc DensityBC 0100 Edit print density for barcodes in of text Default 100 Thickness Th...

Страница 46: ...1 11000000 Displays config byte 1 Config2 Config2 00000000 Displays config byte 2 Config3 Config3 00000000 Displays config byte 3 Config4 Config4 00000000 Displays config byte 4 SaveSetup Saves all da...

Страница 47: ...3 15A 250V 5X20mm suitable for both 230V and 115V mains voltage The ceramic housing has several electrical contacts and can be inserted in two positions Each position displays either 230V or 115V The...

Страница 48: ...ondary power circuit supplies the two fluorescent lamps with 21 5 V AC The other supplies 24 V AC to the I O board which generates other voltages locally 3 9 3 Switching Power Supply Controller Board...

Страница 49: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 49...

Страница 50: ...short end of life excessive voltage idling glass breakage quasi rectifier operation spiral break when switching on and during operation are recognised by the ballast and are rectified or cause shutdo...

Страница 51: ...are soldered onto a circuit board which is mounted behind the front panel The BCD switch is of the snap in type It is connected to the circuit board via a plug and cable In addition the circuit board...

Страница 52: ...o a setting of 5 The HIGH LOW switch also activates the following service routines some of them are described in the User Manual Selection of the service routine is via the BCD switch and initiation o...

Страница 53: ...tal that also prevents unwanted light emission upwards or downwards as appropriate The two tubes are somewhat offset and illuminate the front and back respectively of the document being transported Th...

Страница 54: ...with Drive Motor The input hopper is designed to allow both single sheet feed as well stack processing Its operation is described in the operating instructions The input hopper plate is driven up down...

Страница 55: ...which triggers the forked photocell LED is lit also stops the motor 2 The switch Stack mode Single sheet feed is on stack mode the Start Stop switch is on Start LED green and the paper sensor detects...

Страница 56: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 56...

Страница 57: ...nted to ensure that the last document of a batch has been pulled in Abreviations used TSE Table SEnsor slotted opto switch at feed belts LSP LightSensorPaper input hopper plate proximity switch MSD Mi...

Страница 58: ...N LSP faulty permanent high TSE faulty permanent high MSD faulty permanent high or LSP faulty permanent low MSU faulty permanent low MSD faulty permanent low MSU faulty permanent low MSU faulty perma...

Страница 59: ...permanent high TSE faulty permanent high MSD faulty permanent high MSU faulty permanent low MSD faulty permanent low MSU faulty permanent low MSU faulty permanent high Table stays in down position Pap...

Страница 60: ...f paper it may cause the opposite with another kind The standard issue of aluminium rollers has been proven to be the best compromise available for the majority of documents encountered The pushback r...

Страница 61: ...necessary to allow for unavoidable manufacturing tolerances The two guide plates in the area of the separation mechanism float the documents to the first pair of rubber rollers To ensure that even thi...

Страница 62: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 62...

Страница 63: ...form The main drive belt drives the bottom roller only of each rubber roller pair The top rollers are idlers pressed against the bottom roller by two springs each In certain circumstances documents c...

Страница 64: ...per This methodology provides as falt an output path as possible prevent thin documents from rolling up or turning over Depending on the type of documents a suitable adjustment can be made An adjustme...

Страница 65: ...e used to provide cushioning This aids in noise reduction When a scan command is issued the stepper motor starts A flat woven belt transmits the drive power to the following parts the first shaft of t...

Страница 66: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 66...

Страница 67: ...SCAMAX 2600 4000 Tech Manual 06 2002 T 67...

Страница 68: ...reshold default value is 100 the clutch is disengaged and the scan process proper starts Image data are then received by the SCSI interface or scanner interface in the PC At the scan mode default sett...

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