Oki B4500 Maintenance Manual page 154

4.3 Troubleshooting Method
When a problem occurs, go through the troubleshooting according to the following procedure.
Problem occurs
Problem displayed by
the LCD message
4.3.1 LCD Status Message List
The listing of the statuses and problems displayed in the form of messages on the LCD is provided in
Table 4-1.
Classification
Jam error
(feeding)
Jam error
(ejection)
Paper size error
Tray paper out
Paper size
request
43502101TH Rev.1
Troubleshooting
according to the LCD
Status Message List
(see 4.3.1)
Table 4-1
LCD Status Message
Notifies of occurrence of
OPEN UPPER
jam while the paper is
COVER
being fed from High
PAPER JAM
Capacity Second Paper
Feeder.
CHECK TRAY2
Scroll disply.
PAPER JAM
Notifies of occurrence of
OPEN UPPER
jam while the paper is
COVER
being ejected from the
EXIT JAM
printer.
Scroll disply.
Notifies of incorrect size
OPEN UPPER
paper feeding from High
COVER
Capacity Second Paper
PAPER SIZE
Feeder.
ERROR
Scroll disply.
CHANGE PAPER
TO mmmm/pppp
TRAY2 SIZE
MISIMATCH
LOAD mmmm
Notifies of no paper state
TRAY2 EMPTY
of the High Capacity
Second Paper feeder.
mmmm : Papre size
(A4, Letter, Legal,
Scroll disply.
etc.)
Notifies of correct paper
CHANGE PAPER
size for the High capacity
TO mmmm/pppp
Second Paper Feeder.
TRAY2 SIZE
MISMATCH
Scroll disply.
mmmm : Papre size
(A4, Letter, Legal,
etc.)
pppp : Media Type
(Plain, Transparency,
etc.)
Carry out detailed
troubleshooting
according to the
Troubleshooting Flow
(see 4.3.1)
Description Recovery method
• Check the paper in the High Capacity
Second Paper Feeder.
Carry out the recovery printing by
opening and closing the cover, and
turn the error display off.
• When the problem occurs frequently,
go through the Troubleshooting.
• Check the paper in the printer. Carry
out the recovery printing by opening
and closing the cover, and turn the
error display off.
• Check the paper in the High Capacity
Second Paper Feeder.
Also check to see if there was a
feeding of multiple sheets.
Carry out the recovery printing by
opening and closing the cover, and
turn the error display off.
• Load the paper in High Capacity
Second Paper Feeder.
• Load the requested size paper in the
High Capacity Second Paper
Feeder.
Oki Data CONFIDENTIAL
154 /