Read Sharp MX-6240N / MX-7040N (serv.man33) Service Manual online
MX-7040N ELECTRICAL SECTION 14 – 30
CCHPD_M
Charger cleaner home
position (M)
position (M)
Charger cleaner home
position (M) detection
position (M) detection
–
Home
position
detection
CN20
30
PCU PWB
CCHPD_Y
Charger cleaner home
position (Y)
position (Y)
Charger cleaner home
position (Y) detection
position (Y) detection
Home
position
detection
CN20
20
PCU PWB
CCM_C_A
Charger cleaner motor
phase A (C)
phase A (C)
Charger cleaner motor
phase A (C) control
phase A (C) control
–
–
CN18
25
PCU PWB
CCM_C_B
Charger cleaner motor
phase B (C)
phase B (C)
Charger cleaner motor
phase B (C) control
phase B (C) control
–
–
CN18
26
PCU PWB
CCM_K_A
Charger cleaner motor
phase A (K)
phase A (K)
Charger cleaner motor
phase A (K) control
phase A (K) control
–
–
CN18
15
PCU PWB
CCM_K_B
Charger cleaner motor
phase B (K)
phase B (K)
Charger cleaner motor
phase B (K) control
phase B (K) control
–
–
CN18
16
PCU PWB
CCM_M_A
Charger cleaner motor
phase A (M)
phase A (M)
Charger cleaner motor
phase A (M) control
phase A (M) control
–
–
CN20
25
PCU PWB
CCM_M_B
Charger cleaner motor
phase B (M)
phase B (M)
Charger cleaner motor
phase B (M) control
phase B (M) control
–
–
CN20
26
PCU PWB
CCM_Y_A
Charger cleaner motor
phase A (Y)
phase A (Y)
Charger cleaner motor
phase A (Y) control
phase A (Y) control
–
–
CN20
15
PCU PWB
CCM_Y_B
Charger cleaner motor
phase B (Y)
phase B (Y)
Charger cleaner motor
phase B (Y) control
phase B (Y) control
–
–
CN20
16
PCU PWB
CCMD_C
Charger cleaner shift
detection (C)
detection (C)
Charger cleaner shift
detection (C)
detection (C)
–
–
CN18
22
PCU PWB
Detecting one
rotation by
4 sets of H
rotation by
4 sets of H
L.
CCMD_K
Charger cleaner shift
detection (K)
detection (K)
Charger cleaner shift
detection (K) control
detection (K) control
–
–
CN18
12
PCU PWB
Detecting one
rotation by
4 sets of H
rotation by
4 sets of H
L.
CCMD_M
Charger cleaner shift
detection (M)
detection (M)
Charger cleaner shift
detection (M)
detection (M)
–
–
CN20
22
PCU PWB
Detecting one
rotation by
4 sets of H
rotation by
4 sets of H
L.
CCMD_Y
Charger cleaner shift
detection (Y)
detection (Y)
Charger cleaner shift
detection (Y)
detection (Y)
–
–
CN20
12
PCU PWB
Detecting one
rotation by
4 sets of H
rotation by
4 sets of H
L.
CL_ON
Scanner lamp
Radiates lights to the
document for the CCD
to scan the document
images.
document for the CCD
to scan the document
images.
ON
OFF
CN7
3
SCN-
MotherCNT
MotherCNT
CN_OCFAN_
LOCK
LOCK
CLFM (OC_FAN) lock
CLFM lock
Normal
operation
Stop
CN1
2
SCN-
MotherCNT
MotherCNT
CNCT_RSVFAN/
FAN_CNCT_HDD
FAN_CNCT_HDD
MFP_FAN/HDD_FAN
lock
lock
Detects the MFP_FAN/
HDD_FAN lock.
HDD_FAN lock.
Normal
operation
Stop
CN1002/
CN1013
CN1013
4/4
SCN-
MotherCNT
MotherCNT
CNCT_SPSFAN
Sub power supply fan
lock
lock
Detects the sub power
supply fan lock.
supply fan lock.
Normal
operation
Stop
CN1015
4
SCN-
MotherCNT
MotherCNT
CPFM_CK
Paper feed motor CLK
Paper feed motor CLK
signal
signal
–
–
CN15
12
PCU PWB
CPFM_D
Paper feed motor ON/
OFF
OFF
Paper feed motor ON/
OFF control
OFF control
Motor ON
–
CN15
10
PCU PWB
CPFM_GAIN
Paper feed motor gain
select
select
Paper feed motor gain
select control
select control
–
–
CN15
16
PCU PWB
CPFM_LD
Paper feed motor lock
detection
detection
Paper feed motor lock
detection
detection
Normal
rotation
rotation
state
–
CN15
14
PCU PWB
CRM_C_CK
CRUM communication
clock (C)
clock (C)
CRUM communication
clock (C) signal
clock (C) signal
–
–
CN21
7
PCU PWB
CRM_C_DT
CRUM communication
data (C)
data (C)
CRUM communication
data (C) signal
data (C) signal
–
–
CN21
6
PCU PWB
CRM_K_CK
CRUM communication
clock (K)
clock (K)
CRUM communication
clock (K) signal
clock (K) signal
–
–
CN21
3
PCU PWB
CRM_K_DT
CRUM communication
data (K)
data (K)
CRUM communication
data (K) signal
data (K) signal
–
–
CN21
2
PCU PWB
CRM_M_CK
CRUM communication
data (M)
data (M)
CRUM communication
data (M) signal
data (M) signal
–
–
CN21
12
PCU PWB
CRM_M_DT
CRUM communication
clock (M)
clock (M)
CRUM communication
clock (M) signal
clock (M) signal
–
–
CN21
13
PCU PWB
CRM_Y_CK
CRUM communication
data (Y)
data (Y)
CRUM communication
data (Y) signal
data (Y) signal
–
–
CN21
16
PCU PWB
CRM_Y_DT
CRUM communication
clock (Y)
clock (Y)
CRUM communication
clock (Y) signal
clock (Y) signal
–
–
CN21
17
PCU PWB
CTS_PCU
ICU communication
ICU communication
(Send enable)
(Send enable)
–
–
CN22
9
PCU PWB
DHPD_C
Drum home position (C)
Drum home position (C)
detection
detection
–
Drum
reference
position
CN19
20
PCU PWB
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB name
NOTE
L
H
Click on the first or last page to see other MX-6240N / MX-7040N (serv.man33) service manuals if exist.