Oki B721 Maintenance Manual

Oki Data CONFIDENTIAL
45487001TH Rev.1
6-20 /
6. Troubleshooting procedure
LCD Status
Message
READY
indicator
ATTEN-
TION
indicator
Beep Details
Error
code
Check Paper
Paper Multi Feed
%TRAY%
Please see HELP
for details
Off Blink On Warns that inappropriate long paper
has been fed from the tray. Check
whether Multi-feed has happened.
Recovery Print takes place at Cover
Open/Close, allowing the operation to
continue.
%TRAY%
Tray 1
Tray 2
Tray 3
Tray 4
MPTray
Tray2(LCF)
*When LCF is installed at tray2's position.
Tray3(LCF)
*When LCF is installed at tray3's position.
Error
401
Check Paper
Paper Size Error
%TRAY%
Please see HELP
for details
Off Blink On Inappropriate size paper was fed from
a tray. Check the paper in the tray or
check for Multiple-feed. Open and
close the cover to perform recovery
printing, and continue.
%TRAY%
Tray 1
Tray 2
Tray 3
Tray 4
MPTray
Tray2(LCF)
*When LCF is installed at tray2's position.
Tray3(LCF)
*When LCF is installed at tray3's position.
Error
400
Open Cover
PaperJam
Front Cover
Please see HELP
for details
Off Blink On IPaper jam occurred during paper
feeding from tray.
Error 390 : MP Tray
Error
390
LCD Status
Message
READY
indicator
ATTEN-
TION
indicator
Beep Details
Error
code
Open Cassette
PaperJam
%TRAY%
Please see HELP
for details
Off Blink On Paper jam occurred during paper
feeding from tray.
Error 391 : Tray1
Error 392 : Tray2
Error 393 : Tray3
Error 394 : Tray4
Error 392 : Tray2(LCF)
*When LCF is installed at tray2's position.
Error 393 : Tray3(LCF)
*When LCF is installed at tray2's position.
Error
391
392
393
394
Open Cover
PaperJam
Front Cover
Please see HELP
for details
Off Blink On Jamhasoccurredinpaperpath.
Error 380 : Feed
Error
380
Open Cover
PaperJam
Top Cover
Please see HELP
for details
Off Blink On Jamhasoccurredinpaperpath.
Error 381 : Transport
Error
381
Open Cover
PaperJam
Top Cover
Please see HELP
for details
Off Blink On Jamhasoccurredinpaperpath.
Error 382 : Exit
Error 383 : Duplex Entry
Error 385 : Fuser Unit
Error
382
383
385
Open Front Cover
Face Up Stacker
Error
Please see HELP
for details
Off Blink On Indicates stop printing because the
face up stacker was operated while
printing, and to have assumed the
error.
Error
409
Check Duplex Unit
PaperJam
Please see HELP
for details
Off Blink On JamhasoccurrednearbyDUPLEX
unit.
Error 371 : Duplex Input
Error
371

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard