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4-2
TROUBLESHOOTING
Service Manual
4.1.2 Code
Connect DCU to the printer and turn the power on. It show 7 Segment FND on the panel and each code
tells the function of the printer.
1) Normal Code
While printing or warming up, it indicate the position of the paper
2) Error Code
When detecting the malfunction, the printing is stopped to indicate error code.
Code State Description
61 Warm up The printer is on, the cover is open or close.
00~05 Ready(kind of paper) The printer is ready, the paper is detected when the first paper is printed.
00: Legal ,01: Letter ,02: A4 ,03: EXEC ,04: B5 ,05: Folio, 06: A5/A6
20, 21, 22 Print Start The engine controller received the print order from the video controller.
20: 1st, 21: MP, 22: SCF
30 Feed Sensor On The paper is passing out of the Feed Sensor.
40 Feed Sensor off The paper has passed out of the Feed Sensor.
50 Paper Out The paper has passed out of Exit Sensor.
69 Sleep Mode The fuser power turned off to minimize the power consumption.
Code State Description
60, 62, 68 Fuser Error The error in the fuser occurred. There is a short circuit in the thermistor
and the thermostat while printing, Low Temperature Error occurs.
• 60: Open Fuser Error
• 62: Low Heat Error
• 68: Over Heat Error
64 Cover Open The Printer Cover is open.
65 CRU Error The Toner Cartridge not installed,
70 No Paper No paper in the paper cassette.
71 Paper Jam 0 The front part of paper is jammed between pickup unit and Feed sensor.
72 Paper Jam 1 The front part of paper is jammed between the Discharge sensor and
Feed sensor.
73 Paper Jam 2 The front part of paper is jammed just after passing through the discharge
sensor.
76 Out Bin Full The Out bin is filled with paper.
95 LSU Not Ready LSU Scanner Motor not ready or Hsync signal not output.