Sharp MX-6500N / MX-7500N (serv.man11) Service Manual ▷ View online
MX-7500N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 15
9. Drive motors
Signal name
Name
Type
Function/Operation
2TBM
2nd Transfer belt skew correction motor
Stepping motor
Correct the 2nd transfer belt skew
2TUM
2nd Transfer motor
DC brush less motor
Drives the 2nd transfer section.
ADUM1
ADU motor 1
Stepping motor
Drives the ADU and the transport roller in the right paper exit section.
ADUM2
ADU motor 2
Stepping motor
Drives the 1st transport roller in the ADU section.
BTM
Transfer motor
DC brush less motor
Drives the transfer section.
C3LUM
Paper tray lift motor (Paper feed tray 3)
DC brush motor
Lifts the paper feed tray.
C4LUM
Paper tray lift motor (Paper feed tray 4)
DC brush motor
Lifts the paper feed tray.
CCM_C
MC cleaning motor (C)
DC micro motor
Slides the MC cleaner.
CCM_K
MC cleaning motor (K)
DC micro motor
Slides the MC cleaner.
CCM_M
MC cleaning motor (M)
DC micro motor
Slides the MC cleaner.
CCM_Y
MC cleaning motor (Y)
DC micro motor
Slides the MC cleaner.
CPFM
Paper feed motor
DC brush less motor
Drives the paper feed section.
DM_C
Drum motor C
DC brush less motor
Drives the OPC unit and the DV unit.
DM_K
Drum motor K
DC brush less motor
Drives the OPC unit and the DV unit.
DM_M
Drum motor M
DC brush less motor
Drives the OPC unit and the DV unit.
DM_Y
Drum motor Y
DC brush less motor
Drives the OPC unit and the DV unit.
FUM
Fusing motor
DC brush less motor
Drives the fusing section.
LCCM
LCC paper entry motor
Stepping motor
LCC transport motor
LCHM1
LCC paper entry motor
Stepping motor
LCC transport motor
LCHM2
LCC paper entry motor
Stepping motor
LCC transport motor
LIAM BK
LSU skew adjustment motor
Stepping motor
LSU skew adjustment
LIAM C
LSU skew adjustment motor
Stepping motor
LSU skew adjustment
LIAM M
LSU skew adjustment motor
Stepping motor
LSU skew adjustment
LIAM Y
LSU skew adjustment motor
Stepping motor
LSU skew adjustment
MIM
Scanner motor
Stepping motor
Drives the scanner unit. (scan, return operations)
PGM
Polygon motor
DC brush less motor
Drives the LSU polygon mirror.
POM
Paper exit motor
Stepping motor
Drives the roller in the paper exit section.
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MX-7500N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 16
PRM
Fusing pressure control motor
Stepping motor
Controls ON/OFF of the fusing pressure.
PTCCM
PTC cleaning motor
DC micro motor
Slides the PTC cleaner.
RRM
Registration motor
Stepping motor
Drives the registration roller. (Controls the timing of the transfer image for
the paper.)
the paper.)
T1LUM
Paper tray lift motor (Paper feed tray 1)
DC brush motor
Lifts the paper feed tray.
T2LUM
Paper tray lift motor (Paper feed tray 2)
DC brush motor
Lifts the paper feed tray.
TNHM_C
Tone hopper motor (C)
Stepping motor
Sends toner to the DV unit.
TNHM_K
Tone hopper motor (K)
Stepping motor
Sends toner to the DV unit.
TNHM_M
Tone hopper motor (M)
Stepping motor
Sends toner to the DV unit.
TNHM_Y
Tone hopper motor (Y)
Stepping motor
Sends toner to the DV unit.
TNM_C
Toner motor (C)
Stepping motor
Sends toner to the toner hopper.
TNM_K
Toner motor (K)
Stepping motor
Sends toner to the toner hopper.
TNM_M
Toner motor (M)
Stepping motor
Sends toner to the toner hopper.
TNM_Y
Toner motor (Y)
Stepping motor
Sends toner to the toner hopper.
WEBM2
Web motor
Synchronous motor
Winds the fusing web sheet.
WTM
Waste toner motor
DC brush less motor
Transport waste toner.
Signal name
Name
Type
Function/Operation
MX-7500N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 17
10. Lamps
Signal name
Name
Type
Function/Operation
CCFT
LCD backlight
LED
Backlight for LCD.
CLI
Scanner lamp
LED
Radiates light onto a document for the CCD to scan the document image.
DL_C
Discharge lamp 1 (C)
LED
Discharges electric charges on the OPC drum.
DL_K
Discharge lamp 1 (K)
LED
Discharges electric charges on the OPC drum.
DL_M
Discharge lamp 1 (M)
LED
Discharges electric charges on the OPC drum.
DL_Y
Discharge lamp 1 (Y)
LED
Discharges electric charges on the OPC drum.
DL2_C
Discharge lamp 2 (C)
LED
Discharges electric charges on the OPC drum immediately after transfer operation.
DL2_K
Discharge lamp 2 (K)
LED
Discharges electric charges on the OPC drum immediately after transfer operation.
DL2_M
Discharge lamp 2 (M)
LED
Discharges electric charges on the OPC drum immediately after transfer operation.
DL2_Y
Discharge lamp 2 (Y)
LED
Discharges electric charges on the OPC drum immediately after transfer operation.
HL_LM
Heater lamp (B)
Halogen lamp
Heats the fusing roller (B).
HL_UM/US/UW
Heater lamp (F)
Halogen lamp
Heats the fusing roller (F1) and the fusing belt.
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MX-7500N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 18
11. Gates
No.
Name
Function/Operation
1
Reverse gate
Discharges paper to the right tray or selects the switch-back transport route to the ADU section.
2
Paper exit gate (ADU gate)
Selects the paper path: to transport paper to the ADU section or to the right tray.
1
2
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