Oki ES 1624n MFP Service manual

1
Contents
Replacement Supplies ............. 2
Where to Purchase............... 2
Part Numbers...................... 2
Scanning Unit Control Panel ..... 4
Printing Unit
Control Panel ......................... 7
Loading Documents ................ 9
In the ADF.......................... 9
On the Glass ...................... 10
Sending Document(s) Via
E-mail................................. 11
Sending Document(s) to FTP.. 13
Making Copies...................... 14
Increasing Copy Count ........ 14
Improve Copy Quality ......... 14
Changing Scale .................. 15
Adjusting Density ............... 15
Using the Address Book......... 16
Using Profiles ....................... 17
Loading Media...................... 18
Paper Cassette Tray .............. 18
Face Down Stacker ............ 19
Face up Stacker................. 19
Multi-purpose Tray................ 20
Transparencies & Labels ..... 21
Envelopes ......................... 22
Setting Power Save Mode ...... 23
Cleaning the ADF.................. 24
Rollers and Pad .................... 24
Glass .................................. 25
Replacing the ADF Pad .......... 26
Replacing the Toner Cartridge 28
Cleaning the LED heads ......... 31
Troubleshooting ................... 32
Paper Jams .......................... 32
In the ADF ........................ 32
In the Printing unit............. 32
Printer Messages .................. 37
Service and Support ............. 41
59377501

2
Replacement Supplies
Where to Purchase
• Consult the dealer where you
purchased your MFP
Part Numbers
ADF Pad ...................... 43103001
Toner Cartridges
Color OKI Part #
Black .......................... 52115904
Cyan........................... 52115903
Magenta...................... 52115902
Yellow ......................... 52115901

3
Replacement Supplies
Image Drums
Color OKI #
Black .......................... 56119204
Cyan .......................... 56119203
Magenta...................... 56119202
Yellow......................... 56119201
Other Consumables
Consumable Oki #
Fuser ................ 57101701, 120V
............... 57101702, 230V
Transfer Belt ............... 57101801

4
Scanning Unit Control Panel
Copy Area
1. Zoom - Increase or decrease
scaling in 1% increments up to
400% and down to 25%.
2. Copy Quality - Select copy
quality.
3. Copy Density - Change the
density level.’’
4. Copy Count - Enter copy
quantity or e-mail address.
Display and Function Area
5. Copy Count - Indicates the
number of copies selected.
6. Copy Mode - Select copy mode.
7. Scan Mode - Select the Scan
mode (also the default working
mode).

5
Scanning Unit Control Panel(cont’d)
8. Additional Settings - Execute
additional settings of "Copy" and
"Scan" modes. (The settings are
available only for three minutes.
After three minutes, the settings
automatically return to the
default value).
9. Up/Down/Left/Right Keys -
Move the cursor in the display
up/down/left/right. The up/down
keys switches function
indication. The left key returns
to the upper level of the setting.
The right key goes to the lower
lever of the setting.
10.OK/Select - Select and confirm
current setting selections.
11.Cancel/Return - Cancel
selections and go back to the
top level of the setting. The key
cancels any previous input.
12.FTP Address - Indicates the
existing FTP address for the
"Scan to" mode.
13.Address book - Indicates the
existing mail address for the
"Scan to" function. This key is
only available in the "Scan to"
mode.

6
Scanning Unit Control Panel (cont’d)
Start and Other Keys
14.Menu - Access the menu to set
up the MFP.
15.Reset - Change the scanner to
the factory default settings.
16.Power save - Press once to go
to "sleep" mode (continuous
press is invalid).
17.Power LEDs
Power - Lights to indicate
"power on and ready."
Alarm - Lights to indicate
error conditions.
Sleep - Lights to indicate
power save mode.
18.Mono - Select to send or copy
document(s) in black/white.
19.Color - Select to send or copy in
color.
20.Stop - Select to stop all
operations (display shifts to
stand-by screen for each
function). Does not affect
settings.

7
Printing Unit
Control Panel
Back
Press this button to go
back to the previous Item
or Category, or to place
the printer back on line.
Menu +
Press MENU + to enter
the Menu mode or to go
to the next Category in
the Menu.
Menu –
Press MENU – to go
back to the previous
Category in the Menu or
to exit the Menu mode.
Enter
Press ENTER to select
the Item or Value.
On Line
Press ON LINE to
switch the printer
between on line
and off line status.
When the printer is in the Menu
mode, press ON LINE to exit the
Menu mode and return the printer
to its previous status (on or off
line).
BACK ENTER
OLN INE
READY
ATTENTION
BACK
MENU
ENTER
ON LINE
CANCEL

8
Printing Unit
Control Panel (cont’d)
If there is a paper size mismatch
error, press ON LINE to force the
job to print.
Press ON LINE to start a manual
print job from the MP Tray.
If there is a memory overflow,
press ON LINE to recover and place
the printer back on line.
Cancel
Press CANCEL to stop
printing the current job.
Ready LED
(Green)
On: printer is on line.
Off: printer is off line.
Flashing: printer is
receiving data.
Attention LED
(Red)
On: Warning or Error
status
Off: Normal status.
Flashing: Alarm status.
READY
ATTENTION
CANCEL

9
Loading Documents
The MFP can scan/copy/send
documents either in the ADF
(Automatic Document Feeder) or
on the glass. The ADF can hold up
to 50 pages.
Make sure your documents meet
the following specifications:
•Size: 4.5" x 5.5" (114.3 x
139.7mm) to 8.5" x 14" (215.9
x 355.6mm)
•Weight: 16 to 28 lb. (9.002" to
0.006" sheet thickness)
•Documents should be:
square or rectangular and in
good condition (not fragile or
worn); free of curl, wrinkle,
tears, wet ink, or punch holes,
staples, paper clips, paper sticky
notes.
For irregular type of documents,
use the glass or make a copy first
and then transmit the copy.
In the ADF
1. Make sure your document is free
of staples, paper clips and is not
torn.
2. If your have multiple pages, fan
your documents to avoid
occasional paper jams. The ADF
holds up to 50 pages sheets of
20 lb. paper.
3. Place your document with the
text FACE UP in the ADF and
make sure that the top of each
page feeds in first.
4. Adjust the paper guides (1) to
center the document(s) in the
ADF.