The cursor reader is not online for troubleshooting. (1) The interface card is not inserted properly. After the board is inserted into the computer's expansion slot, it must be fixed with screws.
(2) A short circuit or an open circuit is caused in the communication cable, and a 25-meter plug can be measured with a multimeter.
(3) If the computer crashes, the computer may not be fully compatible with IBM-PC.
The power indicator does not light after booting
(1) Check whether the power supply 220V voltage is sent to the reader.
(2) Check whether the fuse in the power socket is broken, and it can be replaced with a spare.
(3) Poor contact of the power plug on the control board, you can open the bottom cover of the reader and insert the plug.
(4) The power supply is damaged, and the power supply needs to be replaced.
If the wheel does not turn (1) The belt is off, you can open the bottom cover of the reader and refer to the illustration in the manual to hang the belt.
(2) The top thread of the pulley is loose, open the bottom cover of the machine to check the pulleys one by one, and tighten the top thread of the loose pulley.
(3) If the motor is broken, set both 1 and 2 at the beginning of the combination to the "ON" position. Both motors should rotate. Otherwise, the motor is broken and the motor needs to be replaced.
(4) The control board is damaged. If the combination switch is turned to "ON", the motor rotates, and the switch is turned to "OFF" to enter the card reading state. If the motor does not rotate, the control board may be damaged or the communication cable may be damaged. Replace the control board or the communication cable .
The A / D value of an eight-channel or multi-channel photoelectric cell is abnormal (1) The conductor in the communication cable is short-circuited or open-circuited, and a 25-meter plug can be measured with a multimeter.
(2) The integration of the photoelectric sensor is damaged. It is good to replace the integrated chip related to the damaged photocell.
(3) The A / D conversion chip of the interface card is damaged, and the related chip can be replaced.
Leak point (1) The graffiti gray threshold is set too high. The second parameter in the format file G command is the graffiti gray threshold. Generally, it should be set to 02. If it is higher than 02, it may cause a leak point. Set it Return to 02 to solve.
(2) The position of the photoelectric sensor is not correct, mainly due to the incorrect position of the left and right positions. The average grayscale of the 12 and 15 lines of the "standard photoelectric test card" of the "standard photoelectric test card" is <2.
(3) The consistency of each photoelectric receiving tube in the photoelectric sensor is not good, and can be adjusted by the "consistency" function of the test software.
(4) Information card overprinting and cutting errors greater than 0.2mm are unqualified information cards, and the use of such information cards will also lead to missing points.
(5) The painted dots of information cards are too shallow, which can also lead to missing dots. In order to avoid missing points, it should be accurate, deep, full, even and clean when filling the information bit.
"Precision" refers to the information bit, and the answer card should not be serial and misplaced.
"Deep" means that the information bit should be painted deep, which covers the original printed symbol.
"Full" refers to a box to be filled with information bits.
"Uniform" means that all the spots of the entire information card should be painted basically the same, and there should be no difference between deep and shallow.
"Clean" means that you must clean it with a plastic eraser when you make a mistake.
Burst point (1) The power supply ripple is too large, usually caused by poor grounding in the equipment room. If there is a good grounding and there is still a bump, the card reader power supply should be replaced.
(2) The background color of the answer card read by the fully-recognized photoelectric sensor should be red, orange, and yellow. If the background color is blue or green, there will be a rash. The answer card of red, orange, and yellow should be used instead. Or replace the cursor reader with a pencil reading head.
(3) A UPS with sinusoidal output or an AC stabilized power supply with good performance should be selected as the AC stabilized voltage. When its performance is poor, it will cause a flash point. You can replace the UPS, regulated power supply or directly connect the reader to the 220V AC power supply. .
Double-sheet error (1) The information card is too thick. The single-sheet pass also indicates that the double-sheet error is due to the low value of the 39-channel photoelectric receiving tube. For the adjustment method, please refer to "Operation".
(2) The plug of the 39-channel photoelectric receiving tube is bad or damaged, you can first use the test software "instantaneous value" function to observe the value of the 39-channel photoelectric receiving tube. Check the bottom cover of the card machine and inspect the double plug on the control board.
(3) The gap of the double-sheet separation mechanism is too large, causing two or more information cards to enter the photoelectric sensor at the same time, and the "double-sheet adjustment screw" can be adjusted clockwise to make the gap the thickness of an information card.
(4) The blank space above the synchronization frame of the information card is used to detect double sheets. If there are stains at this location, it may cause double sheet errors. Please copy the card and re-enter it. The folded corner of the information card will also cause double sheet errors.
(5) The power supply ripple is too large, which is reflected as the 39-channel photoelectric receiver value jumps from DFH to 80H without an information card. At this time, a power supply voltage regulator can be added.
Detection of dot and line errors (1) The format file in the software settings does not match the actual information card used. Check whether the format of the information card used matches the format file called by the software (mainly the coordinate value of the M command).
(2) The gray value of the logo is set too high, and the gray value of the detection point of the information card can be measured by the "gray" function of the test software, and the value is subtracted by 2 and filled in the format file G command (such as the measured gray If the value is 5, the first parameter in the G command is filled with 3).
(3) The position of the photoelectric sensor is not correct, mainly the left and right positions. It can be adjusted by the test software "grayscale" function. To adjust the left and right position of the photoelectric sensor, open the front cover of the card reader, loosen the fixing screws of the upper positioning block, and adjust After the photoelectric transmitter, tighten the fixing screw.
(4) The dots and lines on the information card detection are not clear or complete. You can use the scribble tool to repaint the dots and lines according to the position, or fill in the missing parts.
(5) The cutting error of the information card is too large, and then use the blade to cut or copy a new information card.
(6) The value of a certain photoelectric receiving tube is too low or damaged, the test software "consistency" function can be used to check the gray condition of the detection point, and the photoelectric receiving tube with a low value can be adjusted normally. The adjustment method is: open the front cover of the photoelectric sensor, call the "linear" function of the test software, read a standard test card, display the value of the standard photoelectric receiver tube, then display the value of the low photoelectric receiver tube, adjust the low photoelectric receiver tube Potentiometer (adjust its value clockwise to increase, and vice versa), repeat the above process every half-cycle until the value of the low photoreceptor is basically the same as the value of the standard photoreceptor (the two photoreceptor values Figures basically coincide).
(7) If the paper is not smooth, it may also prompt "Detect dot line error" to refer to the processing method of the paper is not smooth.
Synchronization signal error (1) The value of 39 channels of double-sheet photoelectric receiving tubes or 40 channels of synchronous photoelectric cells deviates from the standard value, which can be adjusted to the standard value using the "instantaneous value" function of the test software. The adjustment method of the synchronous photoelectric receiving tube is: place the back side of the information card on the push board of the card reader, press the STEP key to send the information card to the photoelectric sensor, call the test software "instantaneous value" function, observe 40 If the value of the photoelectric receiving tube is not between 50H-60H, you can open the front cover of the photoelectric sensor and adjust the potentiometer of the 40 photoelectric receiving tube until it reaches the standard value. The standard value of the double photoelectric receiving tube is: 60H-80H when there is an information card under the photoelectric sensor, and more than C7H-DFH when there is no information card.
(2) The paper feed is not smooth, adjust the mechanical transmission part (including the pressure of pushing the cardboard, the degree of reversal of the pickup roller, adjust the gap of the double-sheet mechanism, etc.), and re-read the information card again.
(3) The format file in the software settings is inconsistent with the information card actually used.
(4) The printing of the information card is not good, the black border of the information card is too light, and the black border can be painted black or copied again.
(5) The device driver is not installed, and the installation of the program in the random software should be completed correctly.
(6) The computer clock frequency is too high, and it can be adjusted to run at a low frequency.
(7) Other circuit boards inserted in the computer expansion slot cause conflicts with the reader's interface card address (the interface card's hardware address is 2F0-2F5 NOT PNP). Change the address of the other card to another value or temporarily remove it.
(8) If there is a problem with the UPS, the card reader can be directly connected to the 220V AC power supply.
(9) The power ripple of the card reader is too large. Use the "instantaneous value" function of the test software to test the A / D value of each channel of the photoelectric receiving tube. If the displayed A / D value jumps more than ± 3 words, it may be a power supply ripple. If the wave is too large, you can check whether the grounding of the equipment room is good. If there is a jump after grounding, you can replace the power supply.
Poor paper feed The poor paper feed is generally caused by a mechanical failure or a poor information card. The specific manifestation is that there are many double sheets and the paper jam or information card is crooked.
(1) Adjust the "double sheet adjustment screw" clockwise to make the gap of the paper separation mechanism the thickness of an information card.
(2) Adjust the pickup control potentiometer at the rear of the machine body clockwise to increase the reversal force of the pickup roller.
(3) If the information card is wet and causes double sheets, you can rub the information card several times before reading the card, and put it into the card reader after tidy.
(4) If the pushing force of the pushing board is too large, adjust the pushing board thrust adjusting screw at the rear of the machine body.
(5) If the gap between the push board and the pickup roller is too small, loosen the push board fixing screw, adjust the gap and tighten the fixing screw.
* Causes and elimination of paper jam or information card crookedness:
(1) The gap of the double-sheet mechanism is too small, and the “double-sheet adjustment screw†can be adjusted counterclockwise to increase the gap of the double-sheet separation mechanism.
(2) Due to paper scraps and paper wool generated by a large number of card readings for a long time, the lower gap of the photoelectric sensor or the paper pressing wheel is blocked. Remove the photoelectric sensor and clean it to solve it.
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