Oki B840 Guida di riferimento rapido

How to remove

Jammed Paper

Rev.1

B840/ES8140

This document explains how to clear them quickly and simply.

If prinng mulple pages (or copies), do not assume that, having cleared an obvious sheet, others will

not also be stopped somewhere along the path. These must also be removed in order to clear the jam

fully and restore normal operaons. Please remove jammed paper carefully so that it doesn’t tear. How-

ever, if it does please ensure that no parts of paper are le inside the printer.

Check the error code displayed on the panel and remove the jammed paper by following the procedures

described in this document.

Paper Jams

Paper jams occasionally occur due to paper misfeeding from a paper tray or at any point on the paper

path through the printer. When a jam occurs, the printer immediately stops and the Alert LED on the

Status Panel informs you of the event.

For example:

WARNING!

If the printer has been powered on recently, the fuser will be hot. This area is

clearly labelled. Do not touch.

Duplex Multi Purpose Tray Inside Printer Paper Trays

Error codes and Location

Refer to the table below to nd the locaon of the paper jam

Error Code  

370 Duplex Unit 8

371 Duplex Unit 8

372 Mul Purpose Tray 4

373 Duplex Unit 8

380 Mul Purpose Tray 4

381 Inside Printer 6

382 Inside Printer/Paper Exit 5/6

383 Inside Printer 6

385 Inside Printer 6

389 Inside Printer 6

390 Mul Purpose Tray 4

391 Mul Purpose Tray 4

392 Tray 2 & Tray 3 9

393 Tray 2 & Tray 3 9

400 Mul Purpose Tray 4



A paper jam has occured near the Mul Purpose Tray

1. Open the Mul Purpose Tray.

2. Push the blue handle, located in the centre,

upward and open the front cover. Remove the

jammed paper.

3. If you can see the top edge of the jammed

paper, turn the blue dial in the direcon of the

arrow.

4. Slowly pull out the jammed paper in the

direcon of the arrow.

Note: In some cases, a jammed paper causing

error code 400 may be ejected automacally. In

such cases, the error message can be cleared by

opening and closing the front cover.

5. When you cannot see the top edge of the

jammed paper from the inside the Mul Purpose

Tray. Slowly pull out the jammed paper in the

direcon of the arrow.

6. Close the front cover.



A paper jam has occured near the exit

1. Press the release buon to open the top

cover.

2. Slowly pull out the jammed paper from the

exit.

Note: If paper has jammed at the paper exit and

you can see it inside the top cover (inside the

printer), pull the jammed paper from the inside

of the printer. Pulling it toward the back side

forcibly may damage the fuser unit.

3. Close the top cover.



A paper jam has occured inside the printer

1. Press the release buon to open the top

cover.

2. Touch the screw to remove stac electricity

from your body.

3. Take the image drum & toner cartridge out of

the printer and place it on a at surface.

4. Cover the removed toner cartridge.

5. When you can see the top edge of the

jammed paper. Slowly pull out the jammed

paper in the direcon of the arrow.

When prinng from any of Tray 1 to Tray 3.

When prinng from the Mul Purpose Tray.



6. When you cannot see the top edge nor

boom edge of the jammed paper move the

paper foward in the direcon of the arrow.

7. When you can see the boom edge of the

jammed paper. Raise the two blue jam release

levers of the fuser unit [A + B] and slowly pull

out the jammed paper.

Note: Aer removing paper jammed in the fuser

unit, print a Menu Map (Refer to ‘Prinng a

Menu Map’ on page 11) or print blank pages

repeatedly to use up toner that may remain

un-fused in the fuser unit.

8. When the jammed paper winds around the

transfer roller. Push (one blue) lock lever in the

direcon of the arrow.

9. Hold the transfer roller by its le rotang

sha and remove it. When it is removable, li

the gear at the right side of the fuser

simultaneously. Pull out the jammed paper

aached.

10. Pull the (two) blue jam release levers forward.

11. Place the image drum back into the printer.

Note: When toner clings to the transparent lm

under the image drum, wipe it o with so ssue

paper.

12. Close the top cover.

1. Pinch and li the jam release lever of the

duplex unit to open the duplex unit cover.

2. Pull out the jammed paper.

Note: If you cannot see the jammed paper,

close the duplex unit cover. The jammed

paper should be ejected automacally. If the

jammed paper cannot be ejected even when

the duplex unit cover is closed, turn o the

printer. (Refer to “Turning o the Printer” on

page 10)

The printer must be switched o, before

removing the duplex unit.

3. The cassee cover becomes detached

when the duplex unit is removed.

4. Keep the duplex unit lied and pull out the

jammed paper, check the duplex unit for

remaining jammed paper.

5. Close the duplex unit cover.

6. Place the duplex unit and the cassee cover

back into the printer.



A paper jam has occured in the duplex unit



A paper jam has occured in paper tray 2/tray 3

1. Pull out the paper cassee tray.

2. Remove the jammed paper.

3. Aer removing the jammed paper, open the

Mul Purpose Tray.

4. Push the blue handle, located in the centre,

upward and open the front cover.

5. When a paper jam occurs, turn the blue dial in

the direcon of the arrow, and slowly pull out

the jammed paper.

6. Close the front cover and the Mul Purpose

Tray.





1. Before turning o the printer, be sure to shut down by using the following procedure.

Note: Pressing the OFF (O) side of the power switch suddenly, may cause the printer to be inoperable and

could damage the printer.

2. Hold down the BACK buon for four seconds or more to display [SHUTDOWN START YES].

3. Press the ENTER buon. The printer displays [SHUTTING DOWN], starng shutdown processing.

4. Press the OFF (O) side of the power switch when the printer displays [PLEASE POWER OFF/SHUTDOWN

COMP].

Note: You must wait several seconds before you press the ON (I) power switch.

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