Read Sharp MX-2600N / MX-3100N / MX-2600G / MX-3100G (serv.man4) Handy Guide online
19
Document Solutions After Sales Service
Electrical
High Voltage Adjustments
Note: The adjustment value of each colour mode is specified on the information label attached to the MC/DV High Voltage
Power PWB. Ensure to enter the values specified, prior to checking the Output/Monitor voltage.
Power PWB. Ensure to enter the values specified, prior to checking the Output/Monitor voltage.
MAIN CHARGE GRID VOLTAGE – SIMULATION 08‐02
Item
Mode
Adjustment
Range
Monitor (MC/DC High
Voltage PWB)
Actual
voltage
Monitor Voltage
(Specified Value)
Check
Pin
MIDDLE
A
MIDDLE SPEED GB_K
K
Main Charge grid voltage
(Middle speed mode)
150 ‐ 850
17.8 ± 1.1V
GB‐K
‐630V
B
MIDDLE SPEED GB_C
C
GB‐C
C
MIDDLE SPEED GB_M
M
GB‐M
D
MIDDLE SPEED GB_Y
Y
GB‐Y
LOW
A
LOW SPEED GB_K
K
Main Charge grid voltage
(Low speed mode)
17.7± 1.1V
GB‐K
‐620V
B
LOW SPEED GB_C
C
GB‐C
C
LOW SPEED GB_M
M
GB‐M
D
LOW SPEED GB_Y
Y
GB‐Y
DV BIAS VOLTAGE – SIMULATION 08‐01
Item
Mode
Adjustment
Range
Monitor (MC/DC High
Voltage PWB)
Actual
voltage
Monitor Voltage
(Specified Value)
Check
Pin
MIDDLE
A
MIDDLE SPEED DVB_K
K
Developer bias voltage
(Middle speed mode)
0 ‐ 600
19.2 ± 1.2V
BS‐K
‐450V
B
MIDDLE SPEED DVB_C
C
BS‐C
C
MIDDLE SPEED DVB_M
M
BS‐M
D
MIDDLE SPEED DVB_Y
Y
BS‐Y
LOW
A
LOW SPEED DVB_K
K
Developer bias voltage
(Low speed mode)
BS‐K
B
LOW SPEED DVB_C
C
BS‐C
C
LOW SPEED DVB_M
M
BS‐M
D
LOW SPEED DVB_Y
Y
BS‐Y
Fuse List:
AC Power Supply
Fuse
Type
Symptom / Comment
F1
10A / 250V
• No Power.
F2
10A / 250V
• No Power.
DC Power Supply
Fuse
Type
Symptom
F201
6.3A / 250V
• Close upper right side cover trouble.
F202
6.3A / 250V
• Call for service ‐ L4‐02 trouble.
F203
6.3A / 250V
• Hanging logo and/or no power up.
F204
6.3A / 250V
• No 24V supply to desk unit. • Causes paper jams when feeding from Desk
unit & no paper tray lift motor drive (permanent out of paper indication) to
desk only. • Call for service ‐ U6‐22 Trouble when LCC is installed.
unit & no paper tray lift motor drive (permanent out of paper indication) to
desk only. • Call for service ‐ U6‐22 Trouble when LCC is installed.
F205
6.3A / 250V
• Close Finisher unit and/or Finisher front cover trouble.
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