Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man13) Service Manual online
MX-4101N ADJUSTMENTS 5 – 12
If the adjustment is not completed normally, "ERROR" is dis-
played.
played.
When an error occurs, check the following sections for any
abnormality.
• Color image density sensor (image registration sensor F)
• Black image density sensor (image registration sensor R)
• PCU PWB
• Transfer belt (dirt, scratch)
• Transfer belt cleaner
• Color image sensor calibration plate
abnormality.
• Color image density sensor (image registration sensor F)
• Black image density sensor (image registration sensor R)
• PCU PWB
• Transfer belt (dirt, scratch)
• Transfer belt cleaner
• Color image sensor calibration plate
If any abnormality is found, repair and adjust again.
If an error occurs, the adjustment result is not revised.
If an error occurs, the adjustment result is not revised.
Mode
Display/Item
Content
Range
De-
fault
Adjustment
value for
process
control
operation
mode
value for
process
control
operation
mode
A
PCS_CL
LED ADJ
LED ADJ
Color image sensor
light emitting quantity
adjustment value
light emitting quantity
adjustment value
1 - 255
21
B
PCS_K
LED ADJ
LED ADJ
Black image sensor
light emitting quantity
adjustment value
light emitting quantity
adjustment value
1 - 255
21
C
PCS_CL
DARK
DARK
Dark voltage of color
0 - 255
0
D
PCS_K
DARK
DARK
Dark voltage of black
0 - 255
0
E
PCS_K
GRND
GRND
Belt base detection
level when
completion of Item B
adjustment
level when
completion of Item B
adjustment
0 - 255
0
F
PCS_K
BELT
MAX
BELT
MAX
Maximum value of
belt base detection
level
belt base detection
level
0 - 255
0
G
PCS_K
BELT MIN
BELT MIN
Minimum value of
belt base detection
level
belt base detection
level
0 - 255
0
H
PCS_K
BELT DIF
BELT DIF
Belt base detection
level difference
(Item E - Item F)
level difference
(Item E - Item F)
0 - 255
0
Adjustment
value for
image
registration
operation
mode
value for
image
registration
operation
mode
I
REG_F
LED ADJ
LED ADJ
Image registration
sensor light emitting
quantity adjustment
value F
sensor light emitting
quantity adjustment
value F
1 - 255
56
J
REG_R
LED ADJ
LED ADJ
Image registration
sensor light emitting
quantity adjustment
value R
sensor light emitting
quantity adjustment
value R
1 - 255
56
K
REG_F
DARK
DARK
Image registration
sensor dark voltage
F
sensor dark voltage
F
0 - 255
0
L
REG_R
DARK
DARK
Image registration
sensor dark voltage
R
sensor dark voltage
R
0 - 255
0
M
REG_F
GRND
GRND
Belt base detection
level when
completion of Item I
adjustment
level when
completion of Item I
adjustment
0 - 255
0
N
REG_R
GRND
GRND
Belt base detection
level when
completion of Item J
adjustment
level when
completion of Item J
adjustment
0 - 256
0
O
REG_F
BELT
MAX
BELT
MAX
Maximum value of
belt base detection
level (F side)
belt base detection
level (F side)
0 - 255
0
P
REG_F
BELT
MIN
BELT
MIN
Minimum value of
belt base detection
level (F side)
belt base detection
level (F side)
0 - 255
0
Q
REG_F
BELT
DIF
BELT
DIF
Belt base detection
level difference
(Item O - Item P)
level difference
(Item O - Item P)
0 - 255
0
R
REG_R
BELT
MAX
BELT
MAX
Maximum value of
belt base detection
level (R side)
belt base detection
level (R side)
0 - 255
0
S
REG_R
BELT
MIN
BELT
MIN
Minimum value of
belt base detection
level (R side)
belt base detection
level (R side)
0 - 255
0
T
REG_R
BELT
DIF
BELT
DIF
Belt base detection
level difference
(Item R - Item S)
level difference
(Item R - Item S)
0 - 255
0
U
REG_F
PATCH
(K)
PATCH
(K)
Patch detection level
F for check (K)
F for check (K)
0 - 255
0
V
REG_F
PATCH
(C)
PATCH
(C)
Patch detection level
F for check (C)
F for check (C)
0 - 255
0
W
REG_F
PATCH
(M)
PATCH
(M)
Patch detection level
F for check (M)
F for check (M)
0 - 255
0
X
REG_F
PATCH
(Y)
PATCH
(Y)
Patch detection level
F for check (Y)
F for check (Y)
0 - 255
0
Adjustment
value for
image
registration
operation
mode
value for
image
registration
operation
mode
Y
REG_R
PATCH
(K)
PATCH
(K)
Patch detection level
R for check (K)
R for check (K)
0 - 55
0
Z
REG_R
PATCH
(C)
PATCH
(C)
Patch detection level
R for check (C)
R for check (C)
0 - 255
0
AA
REG_R
PATCH
(M)
PATCH
(M)
Patch detection level
R for check (M)
R for check (M)
0 - 255
0
AB
REG_R
PATCH
(Y)
PATCH
(Y)
Patch detection level
R for check (Y)
R for check (Y)
0 - 255
0
Mode
Error display
Error content
Adjustment
value for
process
control
operation
mode
value for
process
control
operation
mode
BK_SEN_ADJ
_ERR
_ERR
Black image
density
sensor
adjustment
abnormality
density
sensor
adjustment
abnormality
PCS_K LED ADJ error
(The target value is not
obtained after retried
three times.)
(The target value is not
obtained after retried
three times.)
CL_SEN_ADJ
_ERR
_ERR
Color image
sensor
adjustment
abnormality
sensor
adjustment
abnormality
PCS_CL LED ADJ
error (The target value
is not obtained after
retried three times.)
error (The target value
is not obtained after
retried three times.)
BELT_READ
_ERR
_ERR
Transfer belt
surface
reading
abnormality
surface
reading
abnormality
PCS_K GRND error
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range. )
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range. )
Adjustment
value for
image
registration
operation
mode
value for
image
registration
operation
mode
REG_SEN_F
_ADJ_ERR
_ADJ_ERR
Registration
sensor F
adjustment
abnormality
sensor F
adjustment
abnormality
REG_F LED ADJ error
(The target value is not
obtained after retried
three times.)
(The target value is not
obtained after retried
three times.)
REG_SEN_R
_ADJ_ERR
_ADJ_ERR
Registration
sensor R
adjustment
abnormality
sensor R
adjustment
abnormality
REG_R LED ADJ error
(The target value is not
obtained after retried
three times.)
(The target value is not
obtained after retried
three times.)
REG_BELT_F
_READ_ERR
_READ_ERR
F side
transfer belt
surface
reading
abnormality
transfer belt
surface
reading
abnormality
REG_F GRND error
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range. )
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range. )
REG_BELT_R
_READ_ERR
_READ_ERR
R side
transfer belt
surface
reading
abnormality
transfer belt
surface
reading
abnormality
REG_R GRND error
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range. )
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range. )
Mode
Display/Item
Content
Range
De-
fault
Click on the first or last page to see other MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man13) service manuals if exist.