Konica Minolta magicolor 5550 Service Manual page 118

Theory of operation Ver. 1.0 Nov. 2006
Misfeed type
Tray 1
Tray 2
Tray 3
Tray 4
Misfeed at
feeding
section 2nd side
in duplex
printing
All trays
Misfeed at vertical
conveyance section
Media other
than
long size
Misfeed
paper
at 2nd
transfer
section
Long size
paper
Misfeed at exit/fusing
section
Misfeed at duplex unit
• The media misfeed display can be reset when all doors are closed after any of the doors
has been open. At the same time, the information on media left is cleared. Thereafter,
the main body attempts to detect any sheet of media left inside it again.
Misfeed detection starting point
Feed clutch/1 (CL1) ON
Feed clutch/2 (CL3) ON
Feed clutch (CL1: Tray 3) ON
Feed clutch (CL1: Tray 4) ON
Transfer motor (M1 Duplex unit) ON
Registration roller clutch (CL2) ON
Media feed sensor (PS2: Tray 3) ON
Media feed sensor (PS2: Tray 4) ON
Registration sensor (PS4) activated
Registration roller clutch (CL2) acti-
vated
Registration sensor (PS4) ON
Exit sensor (PS8) activated
Exit sensor (PS8) deactivated
Duplex unit feed sensor activated
19. Conveyance section (Registration roller)
Misfeed detection condition
Registration sensor (PS4) not acti-
vated within a predetermined time
Media feed sensor (PS2: Tray 3) not
activated within a predetermined
time
Media feed sensor (PS2: Tray 4) not
activated within a predetermined
time
Registration sensor (PS4) not acti-
vated within a predetermined time
When registration roller clutch (CL2)
activated, media feed clutch/1
(CL1), media feed clutch/2 (CL3),
and media feed clutch (CL1: Tray 3,
Tray 4) also activated.
Registration sensor (PS4) not acti-
vated.
Media feed sensor (PS2: Tray 3) not
deactivated.
Registration sensor (PS4) not acti-
vated.
Media feed sensor (PS2: Tray 4) not
deactivated.
PS4 not deactivated
PS8 not activated
PS4 not deactivated
After long size media registration
sensor (PS4) and registration sen-
sor (PS4) activated, they are not
deactivated in two seconds.
PS8 not deactivated
ADCB not activated
PS4 not activated
ADCB not deactivated
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