Vetek WLC 0 User Manual Download

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User Manual

Precision scales – WLC series

Manual number:

LTI-05-11/01/09/A

Vetek Weighing AB, Box 79, S-76040 Väddö, Sweden

Phone +46 176 20 89 20 fax. +46 176 20 89 29

[email protected]

www.vetek.com

Summary of Contents for WLC 0

Page 1: ...User Manual Precision scales WLC series Manual number LTI 05 11 01 09 A Vetek Weighing AB Box 79 S 76040 Väddö Sweden Phone 46 176 20 89 20 fax 46 176 20 89 29 info vetek com www vetek com ...

Page 2: ... 2 JANUARY 2009 ...

Page 3: ...o function 23 1 14 RS 232 PARAMETERS 25 3 4 Tare function 24 14 1 Printout type 25 14 2 Minimal mass threshold 26 14 3 Baud rate 27 1 15 OTHER PARAMETERS 29 4 4 Serial transmission parameters 28 15 1 Backlight function 29 15 1 1 ing from mains 29 Backlight for supply 15 1 2 Backlight for supplying from batteries 30 15 2 Beep signal after pressing a key 31 15 3 Automatic switch off 31 15 4 Batter v...

Page 4: ...ion 62 20 2 A set of commands for RS interfaces 62 20 3 Respond message format 63 20 4 Command s description 63 20 4 1 ng 63 Zeroi 20 4 2 ng 63 Tarri 20 4 3 64 Send the stable result in basic unit 20 4 4 in basic unit 64 Send the result immediately 20 4 5 65 Send the stable result in current unit 20 4 6 in current unit 65 Send the result immediately 20 4 7 itch on continuous transmission in basic ...

Page 5: ... printouts x designation minimum mass for function operating x counting pieces x mass control x percentage deviation from standard mass x latch of maximum scale indication x automatic tare x memory of tare x inscribing tare value x Memory of 9 tare values x automatic scale switch off x user calibration x internal calibration x Totalizing x Weighing animals User functions may have attribute of acce...

Page 6: ...ding to the description in the chapter 15 4 4 of this manual If you want to use normal batteries instead of rechargeable ones proceed as follows x Before installing non rechargeable batteries turn on the device and set 5 5 CHr6 to no to switch off charging x Then install the batteries Installing batteries without changing 5 5 CHr6 to no may cause damage of batteries and the indicator 3 WARRANTY CO...

Page 7: ...y an unauthorized service x Intrusion into mechanical or electronic construction of unauthorized people x Removing or destroying protection stickers F Warranty conditions outline the warranty period for rechargeable batteries attached to the device for 12 months G The detailed warranty conditions one can find in warranty certificate H Contact with the central authorized service 48 48 384 88 00 ext...

Page 8: ...Scales WLC C1 R Scales WLC C2 R Scales WLC C1 K Scales WLC C2 K 8 ...

Page 9: ...le on a flat even stable surface far away from sources of heat x Remove the transport protection Scales WLC C 2 Scales WLC B1 Scales WLC C K WLC C R x Install the weight pan according to the drawings below Scales WLC A1 C 2 scales WLC A2 WLC A2 C 2 9 ...

Page 10: ...lling legs and the level condition indicator installed in the basis of the scale x Turn the device on using the key keep pressing the key for about 0 5 sec x Wait for the test completion x Then you will see zero indication and pictograms zero indication stable result kg weight unit x If the indication is not zero press key 10 ...

Page 11: ...s device is outlined as 15qC y 30qC x After powering up this device requires 30 minute worming up x During the worm up time the indication can change x User calibration should be performed after the warm up time x Temperature and humidity changes during operation can increase measurement errors which can be minimized by performing the user calibration process 8 KEYPAD Keypad of WLC A2 series Keypa...

Page 12: ...ternal calibration Because the functionality and operation of the rest of the keys is the same the further part of this manual describes the keypad of WLC C1 C2 series 9 KEYS FUNCTIONS Switching on off Function key operation mode selection Sending a weighing result to RS232 Zeroing Tarring Manual internal calibration WLC C 2 scales Notice After pressing keys functions changes The way of operation ...

Page 13: ...6 kg g Operation mode weighing 17 Rechargeable battery pack or battery discharged BAT LO 18 Net Tare function has been used 19 Min control with reference to the standard mass setting the lower threshold or mass below the first threshold 20 OK control with reference to the standard mass load mass between the thresholds 21 Max control with reference to the standard mass setting the upper threshold o...

Page 14: ...rA no P 1 4 Fnnd YES P2 Prnt P2 1 Pr_n StAb P2 2 S_Lo P2 3 bAud 9600 P2 4 S_rS 8d1SnP P3 Unit P3 1 StUn kg P4 Func P4 1 FFun ALL P4 2 Funi no P4 3 PcS no P4 4 HiLo no P4 5 PrcA no P4 6 Prcb no P4 7 AtAr no P4 8 toP no P4 9 Add no P4 A AnLS no P4 b tArE no P5 othr P5 1 bL Auto P5 2 bLbt 70 P5 3 bEEP YES P5 4 t1 Auto P5 5 CHr6 YES P6 CAL P6 1 St_u FUNCTION P6 2 uCAL FUNCTION P6 3 CA C 0 P6 4 CA r YE...

Page 15: ...er or changing the value of a selected parameter Entering the selected submenu or activating a parameter for changes Confirmation enter Leaving without changes or reaching a higher level of the menu 11 2 2 Return to the weighing mode The changes that have been introduced should be saved in order to keep them in the memory for good While leaving parameters press key until the text SAuE appears on t...

Page 16: ...eighted loads following precautions should be taken into consideration x Loads should be placed on the pan delicately and carefully in order to avoid mechanical shocks x Loads should be placed centrally on the pan errors caused by eccentric weighing are outlined by standard PN EN 45501 ch 3 5 and 3 6 2 x Do not load the pan with concentrated force x Avoid side loads particularly side shocks should...

Page 17: ...e shown Tarring is possible within the whole range of the scale After unloading the pan the display shows the tarred value with minus sign Notice Tarring cannot be performer when a negative or zero value is being displayed In such case Err3 appears on the display and short audible signal will be emitted 12 2 Inscribing tare value You can also inscribe a tare value While in weighings mode press x P...

Page 18: ... and following pictograms and Zeroing is only possible within the scope of 2 of full scale While zeroing outside the scope of 2 you will see Err2 Zeroing is possible only in stable state Notice Zeroing is possible only within the 2 interval of the maximal range If zeroing is performed beyond this range the Err2 message and short audible signal will be emitted 12 4 Weighings in two ranges Switching...

Page 19: ...edure x Enter the submenu P3 Unit and then x press until the expected unit appears on the display Options A When the basic unit is kg users can toggle between kg lb N for verified scales lb is not accessible B If the basic unit is g users can toggle between g ct lb for verified scales lb is not accessible 19 ...

Page 20: ...Notice After turning on the scale always sets the basic unit 12 6 Temporarily selected unit This function is used to set weight unit the scale will use temporarily until the next power off or next selection Procedure x Press and then x After you select the unit you want come back to weighing procedure 20 ...

Page 21: ...lb is not accessible for verified scales 13 MAIN PARAMETERS Users can adjust the scale to external ambient conditions filtering level or particular needs autozero operation tare memory This parameters are placed in P1 rEAd submenu 13 1 Setting a filtering level Procedure x Enter the submenu P1 rEAd and then 1 4 level of filtering x By pressing select the filtering level you need 21 ...

Page 22: ...s the longer stabilization time is needed Return to weighing See 11 2 2 13 2 Median filter This filter eliminates short changes impulses of measure signal e g shocks Procedure x Enter the submenu P1 rEAd and then Fnnd no filter disabled Fnnd YES filter enabled Return to weighing See 11 2 2 22 ...

Page 23: ...ared value of autozero range so the scale will be automatically zeroed and the pictograms and will be displayed When AUTOZERO is disabled zero is not corrected automatically However in particular cases this function can disrupt the measurement process e g slow pouring of liquid or powder on the weighing pan In this case it is advisable to disable the autozero function Procedure x Enter the submenu...

Page 24: ...tare tArA no automatic tare function off user can turn on operating of automatic tare F6 AtAr till unplugging the balance from mains tArA tArF tare memory function stores last value of tare in balance memory It is automatically displayed after starting the balance Value of tare is displayed with minus sign and there is Net symbol indicated on the display user can turn on operating of automatic tar...

Page 25: ...odd There are four ways of sending data via RS232 interface x Manually after pressing x Automatically after stabilizing the indication over LO threshold x Continuously after it is activated in parameter or by a command sent via RS232 x On external request see List of scale computer commands The indication can be sent as x stable the indication is sent after the scale stabilizes x any the indicatio...

Page 26: ...essary while working with automatic tare or automatic operation or weighing animals Automatic tarring will not be applied until the indication gross is lower than the value inscribed in S_Lo parameter In automatic operation measurements net are sent via RS232 when the indication is equal or greater than the value inscribed in S_Lo parameter Weighings animals is performer when the indication is equ...

Page 27: ...Return to weighing see 11 2 2 14 3 Baud rate Procedure x Enter the submenu P2 Prnt and then 27 ...

Page 28: ...no parity control 7d1SEP 7 data bits 1 stop bit EVEN parity control 7d1SoP 7 data bits 1 stop bit ODD parity control 8d1SnP 8 data bits 1 stop bit no parity control 8d2SnP 8 data bits 2 stop bits no parity control 8d1SEP 8 data bits 1 stop bit EVEN parity control 8d1SoP 8 data bits 1 stop bit ODD parity control Return to weighing See 11 2 2 28 ...

Page 29: ...ion Program recognises the way the scale is supplied mains battery and automatically selects the way of operating on the backlight bl for mains blbt for batteries or rechargeable battery pack 15 1 1 Backlight for supplying from mains Procedure x Enter the submenu P5 othr and then bL no backlight switched off bL YES backlight switched on bL Auto backlight switched off automatically if indication be...

Page 30: ...ht for supplying from batteries The user can change the intensity of backlight from 0 to 100 The lower the intensity is the longer the scale operates without recharging or exchanging batteries When the intensity is set this function works as AUTO described above Procedure x Enter the submenu P5 othr and then Return to weighing See 11 2 2 Notice The more intense the backlight is the shorter the sca...

Page 31: ...wer The scale is switched off automatically when function t1 YES no weighing appears in 5 minutes no changes on the display In case when this function disrupts the operation e g long time weighing procedures or while working with connection to mains switch off this function Operation according to the power supply Operation Setting Mains Batteries accumulator t1 0 disabled disabled t1 YES enabled e...

Page 32: ...y voltage level check While supplying from batteries too low level of voltage is measured by software the pictogram is displayed It means that charging or exchanging batteries is required 15 4 1 Checking the batteries This function is to check the level of battery supply It works only if x Weighing mode is set x Battery supply is set in parameters 32 ...

Page 33: ...cally switch off to protect the batteries from destructible discharging x Charging is signalled by blinking period about 2 seconds on the display 15 4 3 Accumulator charging option This function allows to switch on charging algorithm for NiMH batteries for scales of WLC C1 C2 WLC B1 series or a gel cell SLA accumulator for scales of WLC A2 WLC C 2 series a Parameter CHr6 set to no x Pictogram does...

Page 34: ... Power adapters for supplying from mines Procedure x Enter the submenu P5 othr and then CHr6 YES enabled CHr6 no disabled Return to weighing See 11 2 2 15 4 4 Formatting rechargeable battery packs WLC C1 C2 and WLC B1 scales are equipped with NiMH batteries packs R6 AA size and Power adapters for supplying from mines They need formatting after first powering up It is crucial for batteries lifetime...

Page 35: ...own 5 Repeat the process of charging starting from point 1 Notice They reach their optima capacity after three cycles of full charging and discharging 16 OPERATION MODES 16 1 Setting accessibility of operation modes In this parameter group users can disable enable accessibility of functions after pressing key Procedure x Enter the submenu P4 Func and then no mode is disabled YES mode is enabled 35...

Page 36: ...to set if after pressing key all operating modes will be accessible ALL or only one from the list chosen and used by operator Procedure x Enter the submenu P4 Func and then After choosing setting press key The program will return to displaying name of submenu P4 1 FFun Return to weighing See 11 2 2 36 ...

Page 37: ...erate with other scale functions It is possible to execute a tare function in this operating mode in order to tare a container value Procedure x Enter to PcS function x You will see a blinking value of sample quantity x Press key to start setting quantity of sample you have a few options to chose from x If the FrEE option is selected you will see 37 ...

Page 38: ...and go on to the Piece Counting mode pcs You will see the following display Notice 1 If a user presses the key when load is not present on the pan the message Lo will be indicated for a few seconds and the scale will automatically return to weighing 2 In order to comply with the rules of appropriate counting pieces put as many pieces as possible during unit mass adjustment Single piece mass should...

Page 39: ... to the inscribed standard mass Procedure x Enter to HiLo function x The program enters the window of setting the lower threshold of weighing Min x The inscribed value confirm by pressing the program will automatically go to the higher threshold of weighing Max 39 ...

Page 40: ... than the upper one the scale will indicate an error message and will return to weighing Return to weighing x Press the key twice 16 5 Control of deviation referring to the inscribed standard mass Scale software enables control of deviation in of weighed loads mass referring to the inscribed standard mass Mass of standard can be determined by its weighing PrcA function or entered to the scale memo...

Page 41: ...d on the pan which mass will be accepted as standard x press to confirm this operating mode x after few seconds the indication 100 00 will be displayed x From this moment display will not indicate mass of weighed load but deviation of load mass placed on the pan referring to the mass of standard in Return to weighing x Press the key twice 41 ...

Page 42: ...ing and set standard mass where digit selection digit setting x Confirm the entered value by pressing x You will see the indication equal to 0 000 x From this moment display will not indicate the mass of weighed load but deviation of the load mass placed on the pan referring mass of standard in Return to weighing x Press the key twice 42 ...

Page 43: ...utomatic tarring of the container mass will be performed Net marker will appear in the upper part of the display x place a sample into the package x display will indicate net mass of sample x remove the sample together with the container x display will indicate tare mass with minus sign x place a container for the next sample When indication is stable automatic tarring will take place Net marker w...

Page 44: ...ce to the weighing pan x The display of scale will latch the maximum value of the force x Remove loads from the pan x Before the next measurement press the key Return to weighing x Press the key twice 16 8 Totalizing Scale software is equipped in a totalizing function of single weighings The totalizing procedure can be documented on the printer connected to the indicator 44 ...

Page 45: ...to ch 16 8 1 x Put the first load on the pan If the weighing procedure is performed in a container put the container on the pan first and tare it Then put the first load on the pan and confirm it by pressing when stable signalled by x You will see a sum of weighings on the display the pictogram in the upper right corner will be displayed and the weighing result will be printed on the printer conne...

Page 46: ...ing one more time with loaded pan you will see the unLoAd message Unload the pan the scale will return to ZERO and the letter P in the left part of the display will appear The scale is ready for the next procedure x In case of pressing one more time with loaded pan you will see the letter P in the left part of the display will appear The scale is ready for the next procedure 16 8 3 Memory of the l...

Page 47: ...e x Before leaving the Add function it is possible to print out subsequent weighings and the sum of weighings on the connected printer press to print press to cancel x The following message will appear on the display x Press key to return to weighing x Press to return to totalizing Notice In case of overflow of the range of the display in totalizing you will see 5 FULL message in the display In th...

Page 48: ...function x The tinnE message appears on the display for 1s and then the program goes to the window of setting the duration time in seconds of the animal weighing process x Confirm the selected value by pressing x You will see the following window 48 ...

Page 49: ...ed on the display and additionally the OK pictogram is shown in the upper part of the display x You can start the procedure of weighing animals again by pressing x After removing the animal from the platform program returns to the window Return to weighing x Press 16 10 Tare memory Users are allowed to Enter Up to 9 tare values to the memory 16 10 1 Entering the tare value to the scale memory Proc...

Page 50: ...laying the first value from the selection of tare values tArE 0 press to chose different values x After selecting the right position press and you will see an editing field x Enter the selected tare value to the scale memory 50 ...

Page 51: ...h 16 10 1 of the manual x The program goes to displaying the first value from the selection of tare values tArE 0 press to chose different values x To use an entered tare value press you will see the tare value on the display preceded by the sign and the Net pictogram Caution A tare value from the memory is not remembered after powering off and on the scale 51 ...

Page 52: ...nternal calibration Started by adequate temperature change Started after adjusted time period Started after powering up the device x Manual internal calibration started from the keyboard x Calibration with an external weight Caution Internal calibration is accessible only in WLC C 2 scales of WLC series In WLC C 2 scales calibration with an external weight is not accessible It should be remembered...

Page 53: ...ter completion of the calibration process program returns to the weighing mode x Calibration process can be terminated anytime by pressing which is signalled by the following message on the display Notice 1 It should be remembered that internal calibration should be performed with unloaded pan with keeping possibly constant ambient conditions 2 If the calibration process lasts longer than 15 secon...

Page 54: ...goes to the internal calibration procedure which is signalled by the following message After completion of the calibration process program returns to weighing mode x Calibration triggered off by temperature changes The scale has been equipped in the temperature monitoring system Temperature triggers off calibration every time when the internal system measures the temperature change greater than 3 ...

Page 55: ...means that when no other triggering factor appear the calibration will appear every 3 hours The calibration procedure triggered off by the time change starts with checking which is signalled by the following message Then the program automatically goes to the internal calibration procedure which is signalled by the following message The program for non verified scales has a parameter for setting a ...

Page 56: ... the following message on the display Notice 1 It should be remembered that internal calibration should be performed with unloaded pan with keeping possibly constant ambient conditions 2 If the calibration process lasts longer than 15 seconds scale software will react with Err8 displayed and a short sound and then the calibration procedure will start again 56 ...

Page 57: ...CAL and then x Following messages will be displayed x During this time start mass is adjusted and after completing the procedure calibration weight mass is displayed e g 3 000kg x Place the required weight on the pan x Calibration process starts automatically after placing the adequate weight that is signalled by the following message 57 ...

Page 58: ...weighing with saving changes that have been made Caution If the calibration process span adjustment lasts longer than 15 the Err8 message will be displayed and short audible signal will be emitted Press to perform calibration again with more stable ambient conditions 17 3 Start mass adjustment Option only for non verified scales Not accessible in WLC C 2 scales of WLC series The scale can require ...

Page 59: ...of start mass adjustment can be terminated by pressing which is signalled on the display x Return to weighing with saving changes that have been made Caution If the start mass adjustment lasts longer than 15 the Err8 message will be displayed and short audible signal will be emitted Press to perform calibration again with more stable ambient conditions 59 ...

Page 60: ...an cooperate with each platform scales a KAFKA Only result of weighing with mass unit can be printed b KAFKA 1 Z This printer is equipped with an internal real time clock Both date and time can be printed c KAFKA SQ S This printer is equipped with an internal real time clock and possibility of running statistics from measurements Statistic contents quantity of samples sum of masses of all samples ...

Page 61: ...ng the indication on the request from the computer After sending a control command These scales can cooperate with EDYTOR WAG program The indicator window comprises the most important information from the scale display The program allows to configure easily e g design printouts edit parameters A precise description is issued in the Help file that accompanies the program Cable diagrams Scale comput...

Page 62: ...ighing results x Display control 20 2 A set of commands for RS interfaces Commands Description of commands Z Zeroing T Tarring S Send the stable result in basic unit SI Send the result immediately in basic unit SU Send the stable result in current unit SUI Send the result immediately in current unit C1 Switch on continuous transmission in basic unit C0 Switch off continuous transmission in basic u...

Page 63: ...ting command time limit for stable result exceeded limit time is a descriptive parameter of the scale XX command name _ substitutes spaces 20 4 Command s description 20 4 1 Zeroing Syntax Z CR LF Possible answers Z_A CR LF Z_D CR LF command accepted and in progress command completed Z_A CR LF Z_ CR LF command accepted and in progress command comprehended but zero range overflow appeared Z_A CR LF ...

Page 64: ...nd comprehended but cannot be executed S_A CR LF MASS FRAME command accepted and in progress mass value in basic unit is returned Frame format 1 2 3 4 5 6 7 15 16 17 18 19 20 21 S space stability space sign mass space unit CR LF Example S CR LF computer command S _ A CR LF command accepted and in progress S _ _ _ _ _ _ _ _ _ _ 8 5 _ g _ _ CR LF command done mass value in basic unit is returned 20 ...

Page 65: ...d in progress timeout while waiting for stable results SU_I CR LF command comprehended but cannot be executed SU_A CR LF MASS FRAME command accepted and in progress mass value in current unit is returned Frame format 1 2 3 4 5 6 7 15 16 17 18 19 20 21 S U space stability space sign mass space unit CR LF Example S U CR LF computer command S U _ A CR LF command accepted and in progress S U _ _ _ _ _...

Page 66: ...cuted and mass returned 20 4 7 Switch on continuous transmission in basic unit Syntax C1 CR LF Possible answers C1_I CR LF command comprehended but cannot be executed C1_A CR LF MASS FRAME command comprehended and in progress mass value in basic unit is returned Frame format 1 2 3 4 5 6 7 15 16 17 18 19 20 21 S I space stability space sign mass space unit CR LF 20 4 8 Switch off continuous transmi...

Page 67: ...mat 1 2 3 4 5 6 7 15 16 17 18 19 20 21 S U I stability space sign mass space unit CR LF 20 4 10 Switch off continuous transmission in current unit Syntax CU0 CR LF Possible answers CU0_I CR LF command comprehended but cannot be executed CU0_A CR LF command comprehended and executed 20 4 11 Send all implemented commands Syntax PC CR LF Possible answers PC_ _Z T S SI SU SUI C1 C0 CU1 CU0 PC command ...

Page 68: ...ce unit CR LF Stability character space if stable if not stable if an indication over the range v if fan indication below the range sign space for positive values or for negative values mass 9 characters justified to the right unit 3 characters justified to the left command 3 characters justified to the left Example 1 _ _ _ _ _ _ 1 8 3 2 0 _ g _ _ CR LF the printout generated from the scale after ...

Page 69: ...low the range sign space for positive values or for negative values mass 9 characters justified to the right unit 3 characters justified to the left command 3 characters justified to the left The frame format sent by the indicator in case of setting P2 Prnt to Cntb 1 2 3 4 5 6 7 15 16 17 18 19 20 21 S U I stability space sign mass space unit CR LF 20 7 Configuring printouts General information If ...

Page 70: ...nge overflow in totalizing Notice 1 Errors Err2 Err3 Err4 Err5 Err8 null that appear on the display are also signalled by a short beep sound about 1 sec 2 Error FULL2 that appears on the display is also signalled by a continuous sound until the cause of error disappears 22 TROUBLE SHOOTING Problem Cause Solution Discharged batteries Connect to mains or change batteries Turning on does not work No ...

Page 71: ... Average operation when supplied from batteries 45h Display LCD with backlight WLC 6 C1 R WLC 12 C1 R WLC 30 C1 R WLC 60 C2 R WLC 120 C2 R Scale type WLC 6 C1 K WLC12 C1 K WLC 30 C1 K WLC60 C2 K WLC 120 C2 K Max capacity 6kg 12kg 30kg 60kg 120kg Readability 0 1g 0 2g 0 5g 1g 2g Range of tare 6kg 12kg 30 kg 60 kg 120 kg Repeatability 0 3g 0 6g 1 5g 3g 6g Linearity 0 3g 0 6g 1 5g 3g 6g Stabilization...

Page 72: ...ulator 6V Supplied from batteries Average operation when supplied from batteries 35h Average operation when supplied from batteries 45h Display LCD with backlight WLC 6 12 C1 R WLC 12 30 C1 R WLC 30 60 C2 R WLC 60 120 C2 R Scale type WLC 6 12 C1 K WLC 12 30 C1 K WLC 30 60 C2 K WLC 60 120 C2 K Max capacity 6 12kg 12 30kg 30 60kg 60 120 kg Readability 0 1 0 2g 0 2 0 5g 0 5 1g 1 2 g Range of tare 12k...

Page 73: ...with backlight 23 4 Verified precise scales of WLC C 2 series Scale type WLC 0 6 A1 C 2 WLC 1 2 A2 C 2 WLC 3 A2 C 2 WLC 6 A2 C 2 Max capacity 0 6kg 1 2kg 3kg 6kg Min capacity 0 5g 1g 2 5g 5g Readability 0 01g 0 02g 0 05g 0 1g Repeatability 0 01g 0 02g 0 05g 0 1g Linearity 0 01g 0 02g 0 05g 0 1g Range of tare 0 6kg 1 2kg 3kg 6kg Stabilization time 3 sec Pan size 128 x 128mm 195 195mm Operation temp...

Page 74: ... 74 24 ADDITIONAL EQUIPMENT P0136 KAFKA printer cable for PUE C 31 indicators P0151 EPSON printer cable P0108 Computer cable ...

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