Oki C3400N Maintenance Manual

Oki Data CONFIDENTIAL
43163501TH Rev. 1 5 /
4.2.12 Manual feeder unit ........................................................................................... 67
4.2.13 Face up tray .................................................................................................... 68
4.2.14 Guide eject assembly ...................................................................................... 69
4.2.15 Eject roller ....................................................................................................... 70
4.2.16 Plate shield front .............................................................................................. 71
4.2.17 Color registration assembly ............................................................................. 72
4.2.18 Plate shield rear .............................................................................................. 73
4.2.19 PRE board (toner sensor board)/ Gear idle dram ........................................... 74
4.2.20 Main motor/ Solenoid ...................................................................................... 75
4.2.21 Belt motor/ High voltage board/ Cover open switch ........................................ 77
4.2.22 Low voltage power supply/ Low voltage fan .................................................... 78
4.2.23 BLA Board (Main Board) ................................................................................. 79
4.3 Lubricating points ......................................................................................................... 80
5. MAINTENANCE MENU ..................................................................................93
5.1 Maintenance Utility (Not Available) ............................................................................. 93
5.2 Various printing of the printer unit with controller ...................................................... 96
5.3 Switch pressing function when power supply is turned on ....................................... 96
5.4 Settings after Parts Replacement ............................................................................... 97
5.4.1 Notes when exchanging the main circuit board and
EEPROM setting after the exchange of BLA circuit board .............................. 97
5.5 About the manual setting of density correction ........................................................ 101
6. REGULAR MAINTENANCE .........................................................................102
6.1 Recommended substitutes ......................................................................................... 102
6.2 Cleaning...................................................................................................................... 102
6.3 Cleaning LED lens array ........................................................................................... 102
6.4 Cleaning the pick-up roller ........................................................................................ 104
6.5 Cleaning the inside of the printer ............................................................................. 105
7. TROUBLESHOOTING PROCEDURES .......................................................107
7.1 Precautions prior to repair ......................................................................................... 107
7.2 Items to be checked prior to taking action on abnormal images ........................... 107
7.3 Precautions when taking action on abnormal images ............................................. 107
7.4 Preparations for troubleshooting ............................................................................... 107
7.5 Troubleshooting method ............................................................................................ 107
7.5.1 LED Message List ............................................................................................ 108
7.5.2 Preparing for troubleshooting ........................................................................ 127
7.5.2.(1) LCD Display Malfunction .............................................................. 129
7.5.2.(2) Irregular Operation of the device after turning on the power ....... 130
7.5.2.(3) Paper Feed Jam (Error 391:1st tray) ........................................... 139
7.5.2.(4) Paper Feed Jam (Error 390: Multipurpose tray) .......................... 141
7.5.2.(5) Paper transport jam (Error 381) ................................................... 143
7.5.2.(6) Paper Exit Jam (Error 382) .......................................................... 148
7.5.2.(7) Paper Size Error (Error 400) ........................................................ 151
7.5.2.(8) ID Unit Up-Down Error (Service Call 140-143) ............................ 152
7.5.2.(9) Fuser Error (Error 170-177) ......................................................... 153
7.5.2.(10) Motor Fan Error(Error 127) .......................................................... 154
7.5.2.(11) Print Speed is Slow (Low Performance) ...................................... 155

Oki C3400N Specifications

Paper Handling

standard paper input capacity	250 sheets
multi-purpose tray capacity	single-sheet
manual duplex printing	yes

Performance

print speed color	16 ppm
print speed mono	20 ppm
time to first page color	13 sec.
time to first page mono	9 sec.
print resolution	1200 x 600 dpi
duty cycle	35, 000 pages/month

Paper Sizes and Weights

main tray paper size range	4.1" x 5.8" to 8.5" x 14"
multi-purpose tray paper size range	3" x 5" to 8.5" x 47.24"
main tray paper weight range	17 lb. to 32 lb. bond
manual feed paper weight range	20 lb. bond to 110 lb. bond

Memory

standard memory	32 MB
maximum memory	288 MB

Supplies

standard toner cartridge life color	1, 000 pages
standard toner cartridge life black	1, 500 pages
high-capacity toner cartridge life color	2, 000 pages
high-capacity toner cartridge life black	2, 500 pages
image drum life	15, 000 pages

Weight and Dimensions

width	14.8"
depth	18.9"
height	11.4"
weight	46.2 lb.