Samsung ML 1710 Service Manual - Page 52

Ml Series Diagnostic Control Unit

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ALIGNMENT & ADJUSTMENTS 66. Alignment and Adjustments This chapter describes the main functions for service, such as the product maintenance method, the test output related to maintenance and repair, DCU using method, Jam removing method, and so on. It includes the contents of manual. 6.1 How to use DCU 6.1.1 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 CN3(ML-1750) or CN2(ML-1710/1510) of the Main control board. ML SERIES DIAGNOSTIC CONTROL UNIT STATUS DIAGNOSTIC 04 DEV 300 DEV 350 DEV 350 05 LSU READY LSU MT & LD LSU MOTOR 07 PAPER EMPTY PAPER WIDTH NEW CRU 08 EXIT SENSOR FEED SENSOR 09 COVER OPEN 10 COER HEATING PRINTING TEMP READY HEAT SELF TEST ON OFF DIAGNOSTIC CODE 00 MAIN MOTOR OPERATING SYSTEM 01 MAIN HIGH-VOLTAGE ON 02 TRNSFER HIGH-VOLTAGE (-)ON 03 THV(+) REFERANCE VOLTAGE 04 DEV/SUPPLY HIGH-VOLTAGE ON/PTL ON 05 LSU OPERATING SYSTEM 06 PICKUP CLUTCH ON 07 PEEMPTY/PWITH/NEW CRU TEST 08 FEED & EXIT SENSOR TEST 09 COVER OPEN SENSOR TEST 10 FUSER TEST 11 HOT BURN TEST 12 CLEAN MODE PRINT 13 THV(+)TRIGGER, ALL HV & FAN ON 14 THV(+) REFERENCE ON STATUS CODE 61 WARM UP 00 READY (REGAL) 01 READY (LETTER) 02 READY (A4) 03 READY (EXECUTIVE) 04 READY (B5) 20 PRINT START 30 FEED SENSOR ON 40 FEED SENSOR OFF 50 PAPER OUT 69 SLEEP MODE ERROR STATUS CODE 60 OPEN FUSER ERROR 62 LOW TEMPERATURE ERROR 68 OVER HEATING ERROR 64 COVER OPEN ERROR 70 NO PAPERR 71 PAPER JAM 0 72 PAPER JAM 1 73 PAPER JAM 2 95 LSU NOT READY DIAGNOSTIC MODE DOWN UP SHIFT STOP ENTER TO ENTER DIAGNOSTIC MODE, PUSH THREE BUTTONS SIMUL ANEOUSL AND TURN THE PRINTER POWER ON. Samsung Electronics Service Manual 6-1

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6
6
6-1
Samsung Electronics
ALIGNMENT & ADJUSTMENTS
Service
Manual
6. Alignment and Adjustments
This chapter describes the main functions for service, such as the product maintenance method,
the test output related to maintenance and repair, DCU using method, Jam removing method, and
so on.
It includes the contents of manual.
6.1 How to use DCU
6.1.1
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 CN3(ML-1750) or CN2(ML-1710/1510) of the Main control
board.
ML SERIES DIAGNOSTIC CONTROL UNIT
04
05
07
08
09
10
DEV 300
LSU READY
PAPER EMPTY
COVER OPEN
COER HEATING
DEV 350
LSU MT & LD
PAPER WIDTH
EXIT SENSOR
PRINTING TEMP
DEV 350
LSU MOTOR
NEW CRU
FEED SENSOR
READY HEAT
ON
OFF
STATUS
SELF
TEST
DIAGNOSTIC
DIAGNOSTIC CODE
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
61
00
01
02
03
04
20
30
40
50
69
60
62
68
64
70
71
72
73
95
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
ERROR STATUS CODE
STATUS CODE
WARM UP
READY (REGAL)
READY (LETTER)
READY (A4)
READY (EXECUTIVE)
READY (B5)
PRINT START
FEED SENSOR ON
FEED SENSOR OFF
PAPER OUT
SLEEP MODE
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
DIAGNOSTIC
MODE
DOWN
UP
ENTER
SHIFT
STOP
TO ENTER DIAGNOSTIC MODE, PUSH THREE BUTTONS SIMUL
ANEOUSL
AND TURN THE PRINTER POWER ON.