MX-3114N ADJUSTMENTS AND SETTINGS 5 – 6
ADJ 2 Adjusting high voltage values
2-A Adjust the main charger grid voltage
This adjustment must be performed in the following cases:
* When the MC/DV high voltage power PWB is replaced.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
1) Enter the SIM 8-2 mode.
2) Select an output mode and an item to be adjusted.
3) Enter the adjustment value (specified value) in the middle
speed mode, and press [OK] key.
Enter the adjustment value of each mode which is specified
on the label attached on the MC/DV high voltage power PWB.
GBK:XXX GBC:XXX GBM:XXX GBY:XXX
The default values specified for each model must be changed
as follows.
23cpm/26cpm/31cpm machine: +5
When [EXECUTE] key is pressed, the voltage entered in the
procedure 3) is outputted for 30sec and the set value is saved.
When [EXECUTE] key is pressed again, the output is stopped.
Note that the adjustment value may differ depending on the MC/DV
high voltage power PWB.
Since the adjustment value label is attached on the MC/DV high
voltage PWB, the PWB must be removed in order to check the
adjustment value.
This is a troublesome procedure. Therefore, it is advisable to put
down the adjustment value in advance.
When the adjustment value (specified value) of the middle speed
mode is set, the adjustment values of the other modes are auto-
matically set according to the middle speed mode setting in a cer-
tain relationship.
Since the high voltage output cannot be checked with a digital multi
meter in this model, a judgment of the output must be made by
checking the print image quality.
EXE CU TE
EXECUTE
or after 30 sec.
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10-key
Item/Display (Mode) Content
Adjustment
range
Actual
voltage
MIDDLE A MIDDLE SPEED GB_K Main charger grid voltage (Middle speed mode) K 150 - 850 –620V5V
B MIDDLE SPEED GB_C Main charger grid voltage (Middle speed mode) C 150 - 850 –620V5V
C MIDDLE SPEED GB_M Main charger grid voltage (Middle speed mode) M 150 - 850 –620V5V
D MIDDLE SPEED GB_Y Main charger grid voltage (Middle speed mode) Y 150 - 850 –620V5V
LOW A LOW SPEED GB_K Main charger grid voltage (Low speed mode) K 150 - 850 –610V5V
B LOW SPEED GB_C Main charger grid voltage (Low speed mode) C 150 - 850 –590V5V
C LOW SPEED GB_M Main charger grid voltage (Low speed mode) M 150 - 850 –590V5V
D LOW SPEED GB_Y Main charger grid voltage (Low speed mode) Y 150 - 850 –590V5V
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