MX-C380P, MX-C400P, MX-B380P, MX-B382P, MX-B400P (serv.man6). Service Manual (Revised May 2016). - Sharp Copying Equipment Service Manual (repair manual). Page 120

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MX-C400P/C380P, MX-B400P/B380P/B382P  SIMULATION  5 – 46
 
44-2
Purpose
Adjustment/Setup
Function (Purpose) Used to adjust the sensitivity of the image
density sensor (registration sensor).
Section
Process
Operation/Procedure
Select [EXECUTE] button and press [OK] key (the adjustment is
executed automatically).
After completion of the adjustment, the adjustment result is dis-
played.
If the adjustment is not executed normally, "ERROR" is displayed.
• MX-C400P/C380P
• MX-B400P/B380P/B382P
TN_ENV
Toner density 
environment correction 
Enable/Disable setting
Normal 
(Disable: 
1: NO)
Reverse 
(Enable: 
0: YES)
Enable
TN_DRIP
Toner density 
correction 
unconditional supply 
Enable/Disable setting
Enable
TN_SPEND
Toner forcible 
consumption mode 
Enable/Disable setting
Disable
SENSITIVITY
Toner density 
correction 
Enable/Disable setting
Disable
PRT_HT
Half tone process 
control printer 
correction feedback 
Enable/Disable setting
Enable
PTC_ENV
PTC environment 
correction 
Enable/Disable setting
Enable
Enable: 
Correc-
tion ON
PTC_LIFE
PTC life correction 
Enable/Disable setting
Enable
Enable: 
Correc-
tion ON
Item/Display
Content
Setting 
range
Default 
value
A
PCS_CL LED ADJ
Color sensor light 
emitting quantity 
adjustment value
1 - 255
21
B
PCS_K LED ADJ
Black sensor light 
emitting quantity 
adjustment value
1 - 255
21
C
PCS_CL DARK
Dark voltage of color
0 - 255
0
D
PCS_K DARK
Dark voltage of black
0 - 255
0
E
PCS_K GRND
Belt substrate when 
the item B adjustment 
is completed.
0 - 255
0
F
PCS_K BELT MAX
Belt substrate input 
max. value
0 - 255
0
G
PCS_K BELT MIN
Belt substrate input 
min. value
0 - 255
0
H
PCS_K BELT DIF
Belt substrate input 
difference 
(Item F - Item G)
0 - 255
0
I
REG_F LED ADJ
Registration sensor 
light emitting quantity 
adjustment value F
1 - 255
32
J
REG_F DARK
Registration sensor 
dark voltage F
0 - 255
0
K
REG_F GRND
Belt substrate when 
the item I adjustment 
is completed.
0 - 255
0
L
REG_R LED ADJ
Registration sensor 
light emitting quantity 
adjustment value R
1 - 255
32
M
REG_R DARK
Registration sensor 
dark voltage R
0 - 255
0
Item/Display
Content
Setting 
range
Default 
value
NOTE
N
REG_R GRND
Belt substrate when 
the item L adjustment 
is completed.
0 - 256
0
O
REG_F BELT MAX
Belt substrate input 
max. value (F side)
0 - 255
0
P
REG_F BELT MIN
Belt substrate input 
min. value (F side)
0 - 255
0
Q
REG_F BELT DIF
Belt substrate input 
difference 
(Item O - Item P)
0 - 255
0
R
REG_R BELT MAX
Belt substrate input 
max. value (R side)
0 - 255
0
S
REG_R BELT MIN
Belt substrate input 
min. value (R side)
0 - 255
0
T
REG_R BELT DIF
Belt substrate input 
difference 
(Item R - Item S)
0 - 255
0
U
REG_F PATCH (K)
Patch light receiving 
potential F(K)
0 - 255
0
V
REG_F PATCH (C)
Patch light receiving 
potential F(C)
0 - 255
0
W
REG_F PATCH (M)
Patch light receiving 
potential F(M)
0 - 255
0
X
REG_F PATCH (Y)
Patch light receiving 
potential F(Y)
0 - 255
0
Y
REG_R PATCH (K)
Patch light receiving 
potential R(K)
0 - 255
0
Z
REG_R PATCH (C)
Patch light receiving 
potential R(C)
0 - 255
0
AA
REG_R PATCH (M)
Patch light receiving 
potential R(M)
0 - 255
0
AB
REG_R PATCH (Y)
Patch light receiving 
potential R(Y)
0 - 255
0
Error name
Error content
Black sensor adjustment 
abnormality
PCS_K LED ADJ error 
The target is not reached by 3 times of retry.
Color sensor adjustment 
abnormality
PCS_CL LED ADJ error 
The target is not reached by 3 times of retry.
Substrate scan 
abnormality
PCS_K GRND error 
Effective difference between the upper and 
lower values of the belt substrate circuit, 
outside the range
Registration sensor F 
adjustment abnormality
REG_F LED ADJ error 
The target is not reached by 3 times of retry.
Registration sensor R 
adjustment abnormality
REG_R LED ADJ error 
The target is not reached by 3 times of retry.
Registration substrate F 
scan abnormality
REG_F GRND error 
Effective difference between the upper and 
lower values of the belt substrate circuit, 
outside the range
Registration substrate R 
scan abnormality
REG_R GRND error 
Effective difference between the upper and 
lower values of the belt substrate circuit, 
outside the range
Display/Item
Content
Range
Default
A
PCS_K LED ADJ
Image density sensor light 
emitting quantity 
adjustment value
1 - 255
32
B
PCS_K DARK
Dark voltage
0 - 255
0
C
PCS_K GRND
Belt base detection level 
when completion of Item A 
adjustment
0 - 255
0
D
PCS_K BELT MAX
Maximum value of belt 
base detection level
0 - 255
0
E
PCS_K BELT MIN
Minimum value of belt 
base detection level
0 - 255
0
F
PCS_K BELT DIF
Belt base detection level 
difference 
(Item D - Item E)
0 - 255
0
Item/Display
Content
Setting 
range
Default 
value
1
: ’11/Mar/15
1
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