Sharp MX-M550U Service Manual page 124

30
30-1
Purpose Operation test/Check
Function (Purpose) Used to check the operation of sensors and
detectors in other than the paper feed sec-
tion and the operations of the related cir-
cuits.
Section —
Operation/Procedure
The sensor and detector operation conditions are displayed.
The active sensors and detectors are highlighted.
PFD2 ADU paper feed detection 2
PPD Resist roller front paper detection
PSD Drum rear paper detection
POD1 After-fusing transport detection 1
POD2 After-fusing transport detection 2
POD3 Paper full detection
DSW_R Manual feed door open detection
DSW_L Cabinet open detection
DSW_F Front cabinet open detection
DSW_DSK Desk door open detection
TFSD Toner remaining quantity detection (Motor rotation
number count)
THPS2 Transfer belt separation home sensor 2
LPPD LCC paper transport detection
T1PPD Tandem tray 1 paper transport sensor
WEB_END Fusing web end detection
SIMULATION 30-1
SENSOR CHECK..
PFD2 PPD
POD2 POD3
DSW_F DSW_DSK
LPPD T1PPD
30-2
Purpose Operation test/Check
Function (Purpose) Used to check the operation of sensors and
detectors in the paper feed section and the
related circuits.
Section Paper feed
Operation/Procedure
The sensor and detector operation conditions are displayed.
The active sensors and detectors are highlighted.
TANSET Tray 1 and 2 insertion
detection
TSPD1 Tray 1 remaining
quantity sensor
TLUD2 Tray 2 upper limit
sensor
TPED2 Tray 2 paper sensor
MPLD2 Manual tray length
detection 2
MTOP2 Manual tray pull-out
detection 2
MPFD1 Detection 1 of paper
pass from manual
paper feed
MPRD1 Manual relay paper
detection 1
Bypass Tray size: (The manual feed tray detection size is displayed.)
M1PFD Tray 3 transport
detection
PSD POD1
DSW_R DSW_L
TFSD THPS2
WEB_END
TLUD1 Tray 1 upper limit
sensor
TPED1 Tray 1 paper sensor
TSPD2 Tray 2 remaining
quantity sensor
MPLD1 Manual tray length
detection 1
MTOP1 Manual tray pull-out
detection 1
MPED Manual feed paper
empty detection 2
MPFD2 Detection 2 of
paper pass from
manual paper feed
MPRD2 Manual relay paper
detection 2
M1LUD Tray 3 upper limit
detection
MX-M700N SIMULATION 7 – 30
M1PED Tray 3 paper empty
detection
M1SS2 Tray 3 rear edge
switch 2
M1SS4 Tray 3 rear edge
switch 4
Tray 3 size: (The tray 3 detection size is displayed.)
M2PFD Tray 4 transport
detection
M2PED Tray 4 paper empty
detection
M2SS2 Tray 4 rear edge
switch 2
M2SS4 Tray 4 rear edge
switch 4
Tray 4 size: (The tray 4 detection size is displayed.)
SIMULATION 30-2
TRAY SENSOR CHECK..
TANSET TLUD1 TSPD1
MPLD1 MPLD2 MTOP1
MPRD1 MPRD2
(Bypass Tray size: A3)
M1PFD M1LUD M1PED
M1SPD
(Tray3 size: A3)
M2PFD M2LUD M2PED
M2SPD
(Tray4 size: A3)
40
40-1
Purpose Operation test/Check
Function (Purpose) Used to check the operation of the manual
feed tray paper size detector and the
related circuit. (The operation of the manual
feed tray paper size detector can be moni-
tored with the LCD display.)
Section Paper feed
Operation/Procedure
The sensor and detector operation conditions are displayed.
The active sensors and detectors are highlighted.
The paper width size detection level is displayed.
MPLD1 Manual tray length detection 1
MPLD2 Manual tray length detection 2
MTOP1 Manual tray pull-out detection 1
MTOP2 Manual tray pull-out detection 2
BYPASS_WIDTH anual feed guide plate position
BYPASS_AD Manual feed width detection volume output AD value
Bypass Tray width (Manual tray detection size is displayed.) A4/A3, 11 x,
size B5/B4, 8.5 x , A4R, B5R, A5R, 5.5x, 7.25x, EXTRA
SIMULATION 40-1
BYPASS TRAY SENSOR CHECK..
MPLD1 MPLD2
BYPASS_WIDTH: 2100
(Bypass Tray width size: A4/A3)
M1SS1 Tray 3 rear edge
switch 1
M1SS3 Tray 3 rear edge
switch 3
M1SPD Tray 3 paper
remaining quantity
detection
M2LUD Tray 4 upper limit
detection
M2SS1 Tray 4 rear edge
switch 1
M2SS3 Tray 4 rear edge
switch 3
M2SPD Tray 4 paper
remaining quantity
detection
TPED1 TLUD2 TSPD2 TPED2
MTOP2 MPED MPFD1 MPFD2
M1SS1 M1SS2 M1SS3 M1SS4
M2SS1 M2SS2 M2SS3 M2SS4
MTOP1 MTOP2
BYPASS_AD: 600