OKI C610n User Manual

71 – C610/C711 User’s Guide
Paper Sensor Error Codes _________
* If fitted.
CODE #LOCATIONCODE #LOCATION
370 Duplex unit * 382 Paper exit
371 Duplex unit * 383 Duplex unit *
372 Duplex unit * 390 MP Tray
373 Duplex unit * 391 Paper Tray
380 Paper feed 392 2
nd Paper tray *
381 Paper path 400 Paper size
370373
382
383
381 380, 400
390
372
371
392
391
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72 – C610/C711 User’s Guide
Clearing Paper Jams 
1.If a sheet is well advanced out of the top of the printer, 
simply grip it and pull gently to  draw it fully out. If it does 
not remove easily, do not use excessive force. It can be 
removed from the rear later.
2.Press the cover release and open the printer’s top cover fully.
Note:
For illustrative purposes, the C711 printer has been 
shown. If you have a C610 printer, the principle is the 
same with any exceptions noted.
WARNING!
If the printer has...

73 – C610/C711 User’s Guide
3.Note the positions of the four toner cartridges (a) and image 
drums (b). It is essential that they go back in the same order.
It will be necessary to remove the four image drums to gain 
access to the paper path.
4.Holding it by its top center, lift the image drum, complete 
with its toner cartridge, up and out of the printer.
a
b
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74 – C610/C711 User’s Guide
5.Put the assembly down gently onto a piece of paper to 
prevent toner from marking yo ur furniture and to avoid 
damaging the green drum surface, and cover.
6.Repeat this removal procedure for each of the remaining 
image drum units.
CAUTION!
The green image drum surface at the base of the 
Image Drum is very delicate and light sensitive. Do 
not touch it and do not expose it to normal room light 
for more than 5 minutes. If  the drum unit needs to be 
out of the printer for...

75 – C610/C711 User’s Guide
7.Look into the printer to check whether any sheets of paper 
are visible on any part of the belt unit.
• To remove a sheet with its leading edge at the front of the belt
 (a), carefully lift the sheet from the belt and pull it 
forwards into the internal drum cavity and withdraw the 
sheet.
CAUTION!
Do not use any sharp or abrasive objects to separate 
sheets from the belt. This may damage the belt 
surface.
dc
b
a
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76 – C610/C711 User’s Guide
• To remove a sheet from the central area of the belt (b), 
carefully separate the shee t from the belt surface and 
withdraw the sheet.
• To remove a sheet just entering the fuser (c), separate the 
trailing edge of the sheet from the belt, push the fuser 
pressure release lever
 (d) towards the front and down to 
release the fuser’s grip on  the sheet, and withdraw the 
sheet through the drum cavity area. Then allow the 
pressure release lever to rise again.
Note:
If the...

77 – C610/C711 User’s Guide
(a) To remove a sheet in the fuser; push the two retaining 
levers
 (e) towards the rear of the printer to release the 
fuser. Withdraw the fuser unit using the handle (f).
Press release lever (g) and pull the trapped paper from the 
fuser.
e
f
e
g
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78 – C610/C711 User’s Guide
(b) Replace fuser unit into the machine and move locking levers (e) toward the rear of the machine.
e
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79 – C610/C711 User’s Guide
8.Starting with the cyan image drum unit nearest the fuser, 
replace the four image drums into the drum cavity, making 
sure to locate them in the correct order.
Holding the complete assembly by  its top center, lower it into 
place in the printer, locating the pegs at each end into their 
slots in the sides of the printer cavity.
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80 – C610/C711 User’s Guide
9.Lower the top cover but do not press down to latch it closed 
yet. This will protect the drums from excessive exposure to 
room lighting while you check the remaining areas for 
jammed sheets.
10.Open the rear exit tray (h) and check for a sheet of paper in 
the rear path area
 (i).
• Pull out any sheets found in this area.
• If the sheet is low down in this area and difficult to 
remove, it is probably still gripped by the fuser. In this case 
raise the top cover, reach...