Craden DP9 Podręcznik wsparcia technicznego - Strona 13

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To test all sensors, press 9 0 FUNCT on the keypad. The printer will cycle through diagnostics
and then display "SENSORS" and a combination of the letters LFBMRCE. L is the carriage left
home sensor, F and B are the front and back document sensors, M and R are the middle and
right skew sensors, C is the cabinet open sensor and E is the document edge sensor. If no
document is in the printer and the carriage is at left home, FBMR should be displayed. Placing an
opaque object in any document or form sensor's light path should remove the corresponding
sensor letter from the display. Moving the carriage to the right should turn on L and E. Press the
A key to return to READY status.
Trouble
Rollers run continuously before a
document is inserted and no "F"
on display during 90 FUNCT.
Rollers run continuously after a
document is ejected and no "B"
on display during 90 FUNCT.
Carriage drives into the left side of
the printer.
Display reads "Cover Open" even
when cabinet is closed
MultiSensor
F -
Cable
Front
Sensor
Must be
seated in
Senses
connector
document
properly
insertion

SENSORS

Condition
Front sensor light path is blocked
by paper, paper dust, or a bent
input guide. A sensor may be bent
out of position.
Back sensor light path is blocked
by paper, paper dust, or a bent
input guide. Sensor may be bent
out of position.
94 FUNCT parameters are
incorrect
Disconnected sensor cable
Defective left "home" sensor.
Cover sensor cannot "see"
reflective dot on inside of cabinet.
L - Left (Home) Sensor – synchronizes carriage motion
B -
M -
Back
Middle
Sensor
Sensor
Senses
Detects
document
skew
top edge
12
Remedy
Clear front sensor light path of
paper scraps or blow sensor area
with compressed air.
Clear back sensor light path of
paper scraps or blow sensor area
with compressed air.
Check 94 FUNCT parameters
against label under the cabinet
behind to the alphanumeric
display.
Reinsert sensor cable
Replace multi-sensor PCB
Override cover sensor using 99
FUNCT (pg. 4) or replace
reflective foil dot
R -
Right
Sensor
Detects
skew
Input Guide