45530603TH Rev.2
4-74
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
4.5.2.(14) Print speed is slow. (Performance is low.)
(14-1) Print speed decreases.
Check item Check work
Actions to be taken
at NG
(14-1-1) Media Weight setting
Media Weight that
is specified for the
print
Check if the wrong Media Weight has been
specified or not.
Correct the
Media Weight.
Adjust the media
weight sensor
Readjust the media weight sensor when auto
is set for media weight.
Adjust the
media weight
sensor. (Section
5.3.2.8)
(14-1-2) Narrow width paper speed setting
Narrow paper
speed setting and
Paper width
Check if the narrow paper speed is setting
「
Slow
」
(Default) and paper width is 216mm
or less.
・
Hopping the
paper Long
edge feed.
・
Setting the
narrow paper
speed is
「
Normal
」
(14-1-3) High-humidity control setting
High-humidity
control setting
Check if the High-humidity control is setting
「
Mode1
」
or
「
Mode2
」
.
Setting
「
Off
」
(Default)
(14-1-4) Print Mode setting
Print Mode setting
and Power supply
voltage
Check if the Print Mode is setting
「
Slow
」
(Default) and Power supply voltage is
decrease.
・
Check the
connection of
power supply
・
Setting the
Print Mode is
「
Normal
」
(14-1-5) Spot color setting
Spot color toner Check if the spot color toner is using Clear
toner.
Print speed
is down when
using clear
toner.
4.5.2.(15) Duplex unit cannot be recognized.
(15-1) Duplex unit cannot be recognized.
Check item Check work
Actions to be taken
at NG
(15-1-1) Duplex PCB
D uplex PCB Fuse Measure the resistance of Duplex PCB F502
fuse.
Check the
PU/CU PCB
connection
cable. If the
cable is normal,
replace the
Duplex PCB.
PU/CU PCB Fuse Measure the resistance of PU/CU PCB F1
fuse.
Check the
Option
Tray PCB
connection
cable. If the
cable is normal,
replace the PU/
CU PCB.
(15-1-2) Check the system connection
Check the system
connection from
the PU/CU PCB to
the Duplex PCB.
Check that the cable between the PU/CU
PCB DUP connector to the Duplex PCB is
normally connected.
Correct the
connections.
Square connector
connecting the
Duplex unit to the
printer.
Check if any foreign material exists in the
connecting portion of the square connector.
Remove
the foreign
material.
Square connector
connecting the
Duplex unit to the
printer.
Is the terminals of the square connector
damaged?
Replace the
connector.
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