OKI C9850hdn User Manual

C9850 User’s Guide> 121
10.Move the Finisher and Inverter back into position and connect 
to the printer.
AVOIDING PAPER JAMS
The following table summarizes possible causes of paper jams and 
suggests ways of avoiding them.
POSSIBLE CAUSESUGGESTED REMEDY
The printer is not level. Place the printer on a steady, level surface.
Your print media is too light or 
too heavy.Use appropriate media.
Your print media is damp or 
charged with static electricity.Use media that has been stored in 
appropriate...

C9850 User’s Guide> 122
DEALING WITH UNSATISFACTORY PRINTING
Your printer feed roller is dirty. Wipe the roller with a cloth moistened with 
water.
Your printer feed rollers are 
wearing out.Replace the feed rollers.
The media weight or type 
have been wrongly set.Select the correct printer menu settings for 
[Media Weight] and [Media Type].
SYMPTOMS POSSIBLE CAUSESSTEPS TO TAKE
Vertical white lines 
can be seen on the 
printed page.The LED head is dirty.  Wipe the LED head with a 
LED lens cleaner or...

C9850 User’s Guide> 123 Printing is light.  The toner cartridge is 
not properly seated. Reinstall the toner 
cartridge. 
The toner is low.  Replace the toner cartridge. 
The paper is moist.  Use paper stored in proper 
temperature and humidity 
conditions. 
The paper is not 
suitable for the printer. Use recommended paper. 
Thickness and type of 
paper are inappropriate. Set a proper value for 
[Media Weight] and [Media 
Type] in the menu setup, or 
set one value thicker for 
[Media Weight]. 
Recycled...

C9850 User’s Guide> 124
STAPLE JAMS – FINISHER (OPTIONAL ACCESSORY)
CHECK FINISHER, STAPLE JAM
When the display indicates a staple jam has occurred, clear the jam 
as follows:
1.Open the Finisher front cover.
White area of paper 
is lightly stained. Paper contains static.  Use paper stored in proper 
temperature and humidity 
conditions. 
Too thick paper is used.  Use thinner paper. 
The toner is low.  Replace the toner cartridge. 
Periphery of the 
letters is smudged. The LED head is dirty.  Wipe the...

C9850 User’s Guide> 125
2.Turn the knob in the direction indicated until the colored 
indicator appears.
3.Remove any paper that awaits stapling in the paper ejection 
area.
4.Pull out the staple unit.
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C9850 User’s Guide> 126
5.Turn the knob in the direction indicated to move the stapler 
to the front.
6.Grip both sides of the staple cartridge, pull it up and remove 
it.
7.Raise the staple cartridge gate.
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C9850 User’s Guide> 127
8.Remove all staples that are emerging from the staple case.
9.Return the staple cartridge gate to its original position.
10.Replace the staple cartridge.
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C9850 User’s Guide> 128
11.Ensure that the staple cartridge is securely installed back into 
the staple unit then push the staple unit fully home.
12.Close the Finisher front cover, being careful not to trap your 
fingers.
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C9850 User’s Guide> 129
SPECIFICATIONS
ITEMSPECIFICATION
Dimensions 25.8x24.4x18.2 in (WxDxH)
655x620x462 mm (WxDxH)
Weight Without options, 152 lb (68 kg)
Print speeds 36 ppm color; 40 ppm monochrome 20 – 28 lb 
paper
Resolution 1200 x 1200 dpi
Emulations PCL 5c, PCL 6, PS3
Memory 1 GB (max.)
Paper input 
at 20 lb (75 g/m²)Trays 1 – 5: 530 sheets Letter each
MP Tray: 230 sheets Letter
Paper weight 15 – 71 lb (55 – 268 g/m²)
Paper output Face-down stacker: 500 sheets
Face-up stacker: 250 sheets...

C9850 User’s Guide> 130 Noise level Operating: 53dBA maximum
Standby: 40dBA maximum
Power save: 40dBA maximum after 30 mins 
background level
ITEMSPECIFICATION
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