Oki B6500 Service Manual

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Chapter 1 Troubleshooting
FIP- 1.P13 Paper damage
Before commencing troubleshooting, check the paper transfer course. Make sure there is no foreign
articles on the transfer course, such as staples, paper clips, scraps of paper and so on.
Print defect
The paper comes out from the printer crumpled, folded or
worn-out.
ESS and possible causes
- FUSER ASSY (PL8.1.20)
- Heat Roll
- Pressure Roll
- PWBA ESS (PL12.1.13)
- 150 FEEDER ASSY (PL5.1.1)
- EP CARTRIDGE
- BTR ASSY (PL8.1.21)
- Paper Cassette
- PLATE ASSY BTM (PL2.1.10, PL4.1.10)
- 150 Paper Feeder
- 550 FEEDER ASSY (PL7.1.10)
- Option 550 Paper Feeder
Step Check Yes No
1
Checking the paper feeding
Observe the paper feeding condition.
Is the paper fed crooked?
Go to FIP-1.P12
Skew.
Go to step 2.
2
Checking the paper condition
Have new, dry and recommended paper on.
Carry out a test printing. (Refer to Chapter 2 Diagnostic
[TEST PATTERN MODE MENU].
Dose the problem still occur?
Go to step 3. End of work
3
Check the paper transfer course.
Check if there are any stains or obstacles on the paper
transfer course between the paper feeding tray and the
exit tray.
Are there any obstacles on the paper transfer course?
Go to step 4.
Remove the obsta-
cles or stains from
the paper transfer
course.
4
Checking the rolls on the paper transfer course
Check all the rolls on the course, where the paper
transfer between paper feeding entrance tray and exit
tray, and check if there are any stains, wear or dam-
ages.
Are there any stains, wear or damages on the rolls in
the paper transfer course?
Go to step 5.
Replace the dam-
aged or worn-out
rolls.
5
Checking Heat Roll and Pressure Roll
Remove FUSER ASSY. (RRP8.8)
Warning; Start the operation after the FUSER ASSY
have cooled down.
Turn the Gear HR with a finger, and check the Heat Roll
and Pressure Roll.
Are the Heat Roll and Pressure Roll damaged or
stained?
Go to step 6.
Replace FUSER
ASSY.
(RRP8.8)

Oki B6500 Specifications

General

Color	No
Duplex printing	Yes
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8 s
Print speed (black, normal quality, A4/US Letter)	45 ppm
Flash memory	512 MB
Storage media	HDD
Internal memory	128 MB
Maximum internal memory	640 MB
Internal storage capacity	40 GB
Total input capacity	700 sheets
Total output capacity	500 sheets
Maximum input capacity	1800 sheets
Power requirements	230V
Standard media sizes	3\
Power consumption (active)	880 W
Compatible operating systems	Windows, XP (Home, Professional); 2000 (Workstation, Professional, Server, Advanced Server – SP4 +); NT 4.0 (Workstation, Server – SP6 +); ME; 98/98 SE; Mac OS 9.1+/10.1+; Unix (Sun Solaris 8, 7, 2.5; HP-UX 11.0/ 10.20); Linux (Redhat 6.x).
Envelopes sizes	C5, DL
Media weight (tray 1)	60 - 216 gsm
Non-ISO print media sizes	Executive (184 x 267mm), index card, Letter (media size), Statement (140 x 216mm), Legal (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
PCL fonts	86
Printer fonts	PCL, PostScript
Maximum duty cycle	200000 pages per month
Number of PostScript fonts	136
Power consumption (standby)	110 W
Power consumption (printing)	1200 W

Weight and Dimensions

Dimensions (WxDxH)	422 x 465 x 404 mm