Troubleshooting Method - Oki B4500 Maintenance Manual

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 LCD Status Message
Jam error
Paper size error
Tray paper out
43502101TH Rev.1
Troubleshooting
according to the LCD
Status Message List
(see 4.3.1)
Notifies of occurrence of
CHECK MPF
jam while the paper is
PAPER JAM
being fed from Multi-
OPEN UPPER
Purpose Feeder.
COVER
Scroll display.
PAPER JAM
OPEN UPPER
COVER
EXIT JAM
Notifies of incorrect size
OPEN UPPER
paper feeding from Multi-
COVER
Purpose Feeder.
PAPER SIZE
Scroll display.
ERROR
CHANGE
PAPER TO
mmmm/pppp
MPF SIZE
MISMATCH
Notifies of no paper state of
LOAD mmmm
the Multi-Purpose Feeder.
MPF EMPTY
Scroll display.
mmmm : Papre size
(A4, Letter, etc.)
Carry out detailed
troubleshooting
according to the
Troubleshooting Flow
(see 4.3.1)
Table 4-1
Description
• Check the paper in the Multi-Purpose
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 Multi-Purpose
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 Multi-Purpose
Feeder.
Oki Data CONFIDENTIAL
Recovery method
140 /