Intermec 6822 6820 Series 80-Column Printer User Manual (for printers purchase - Page 102
Head Jam Information, Error Log Information, Head Dot Pattern line 37
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Chapter 5 - Troubleshooting and Maintaining the 6820 Head Jam Information Heading Home Command Direction Speed Step Temp Position Description Err indicates the home position LED sensor has failed. Indicates which printer command was executed when the head jammed. Indicates which way the head was moving, left is toward the home position and right is away from the home position. Home position is at the extreme left, toward the green thumbwheel. Indicates the acceleration speed of the printhead when the jam occurred. The acceleration step at the jam. 0 means no steps were taken, 15 means all steps were taken. 1-14 indicates the printer jammed during acceleration or deceleration. The ambient temperature at the last head jam. The temperature is listed in Celsius. Position of carriage at the time of the jam in 1/720 in = 12 * step position. Divide the number by 12 to get the step position. There are 512 steps across the page. If it is jammed at position 0, check the printer mechanism alignment. If it is jamming in the middle, it is more likely a dirty ribbon or obstruction in the printhead's path. • Head Dot Pattern (line 37) Is used to verify the individual dot wires. There should be nine dots. If some dots are missing, it could be a printhead failure or a circuit board failure. • Error Log information appears on lines 38-43. This information is cleared after every self-test. Error Log Information Heading PE HJ 12Vu 12Vo Description Number of paper jams while feeding paper Number of head jams while printhead is moving Number of 12 V under-voltage Number of 12 V over-voltage 86 6820 Series 80-Column Printer User Manual