Reference Information
3-6
Samsung Electronics
3-4. DCU Control
3-4-1. DCU Setup
1) Connect DCU to Controller Board Connector J6 (4 pins) or Engine Board CN2 (4pins).
2) To apply power, simultaneously press and hold down [DOWN], [SHIFT], and [STOP] keys. ‘78’ is displayed.
3) After 2-3 seconds, release the keys. ‘00’ is displayed.
4) Press [UP] or [SHIFT]+[DOWN] keys until the desired code number is displayed in the DCU display.
5) Press [ENTER] to begin operating.
6) Example : Select numbers ‘13’ and ‘14’ to adjust the electrophotography trigger voltage.
7) To end operation, press [SHIFT] and [STOP] keys.
3-4-2. DCU Diagnostic Mode
The DCU is used to diagnose the printer malfunction status.
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
MAIN MOTOR OPERATING SYSTEM
MAIN HIGH VOLTAGE ON
TRANSFER HIGH VOLTAGE(-) ON
THV(+) REFERENCE ON
DEV/SUPPLY HIGH VOLTAGE/PTL ON
LSU OPERATING SYSTEM
PICKUP CLUTCH ON
PEMPTY/PWIDTH/NEW CRU TEST
FEED & EXIT SENSOR TEST
COVER OPEN SENSOR TEST
FUSER TEST
HOT BURN TEST
CLEANING MODE PRINT
THV(+) TRIGGER ALL HV & FAN ON
THV(+) REFERENCE ON
Display
Diagnostic Code Description
Содержание ML-6050
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