File name Ph3130Service_part2.pdf
4.1 How to use DCU
4.1.1 DCU Setup
You can examine the malfunction of the printer. To perform DCU, open the front discharge cover and leave the connect the harness wire(10 pin/4 pin) to the CN10(4 pin) of the Main control board.
ML SERIES DIAGNOSTIC CONTROL UNIT
04 DEV 300 05 LSU READY 07 PAPER EMPTY 08 DEV 350 LSU MT & LD PAPER WIDTH EXIT SENSOR DEV 350 LSU MOTOR NEW CRU FEED SENSOR
09 COVER OPEN 10 COER HEATING PRINTING TEMP READY HEAT
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
MAIN MOTOR OPERATING SYSTEM MAIN HIGH-VOLTAGE ON TRNSFER HIGH-VOLTAGE (-)ON THV(+) REFERANCE VOLTAGE DEV/SUPPLY HIGH-VOLTAGE ON/PTL ON LSU OPERATING SYSTEM PICKUP CLUTCH ON PEEMPTY/PWITH/NEW CRU TEST FEED & EXIT SENSOR TEST COVER OPEN SENSOR TEST FUSER TEST HOT BURN TEST CLEAN MODE PRINT THV(+)TRIGGER, ALL HV & FAN ON THV(+) REFERENCE ON
00 01 02 03 04 20 30 40 50 69
READY READY READY READY READY
(REGAL) (LETTER) (A4) (EXECUTIVE) (B5)
PRINT START FEED SENSOR ON FEED SENSOR OFF PAPER OUT SLEEP MODE
ERROR STATUS CODE
60 62 68 64 70 71 72 73 95
OPEN FUSER ERROR LOW TEMPERATURE ERROR OVER HEATING ERROR COVER OPEN ERROR NO PAPERR PAPER JAM 0 PAPER JAM 1 PAPER JAM 2 LSU NOT READY
TO ENTER DIAGNOSTIC MODE, PUSH THREE BUTTONS SIMUL ANEOUSL AND TURN THE PRINTER POWER ON.
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 Code 61 00~05 20, 21, 22 30 40 50 69 State Warm up Ready(kind of paper) Print Start Feed Sensor On Feed Sensor off Paper Out Sleep Mode Description The printer is on, the cover is open or close. 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 The engine controller received the print order from the video controller. 20: 1st, 21: MP, 22: SCF The paper is passing out of the Feed Sensor. The paper has passed out of the Feed Sensor. The paper has passed out of Exit Sensor. The fuser power turned off to minimize the power consumption.
2) Error Code
When detecting the malfunction, the printing is stopped to indicate error code. Code 60, 62, 68 State Fuser Error Description 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 The Printer Cover is open. The Toner Cartridge not installed, No paper in the paper cassette. The front part of paper is jammed between pickup unit and Feed sensor. The front part of paper is jammed between the Discharge sensor and Feed sensor. The front part of paper is jammed just after passing through the discharg