Oki C610N - Page 5

44205301TH Rev.1
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Oki Data CONFIDENTIAL
5.3.1.3 Switch scan test ...................................................................................98
5.3.1.4 Motor clutch test ................................................................................100
5.3.1.5 Test pr
int ............................................................................................102
5.3.1.6 Color registration correction test
........................................................106
5.3.1.7 Density correction test .......................................................................
107
5.3.1.8 Consumable item counter displa
y ......................................................109
5.3.1.9 Number of print copies counter displa
y .............................................110
5.3.1.10 Switching between the F
actory mode and the Shipping mode ..........110
5.3.1.11 Self-diagnostic function setting ..........................................................
111
5.3.1.12 LED head serial n
umber display .......................................................112
5.3.1.13 NVRAM parameter setting
................................................................112
5.3.2 Var
ious prints with the printer as a standalone unit ..................................112
5.3.3 Functions of ke
ys at power on ..................................................................113
5.4 Setups upon completion of part replacement
...................................................114
5.4.1 Precautions when replacing the CU/PU board .........................................
114
5.5 Density control manual setting
.........................................................................116
5.6 Printer boot men
u list ........................................................................................117
6. Periodic Maintenance ......................................................... 119
6.1 Cleaning ...........................................................................................................120
6.2 How to clean the LED lens array ......................................................................121
6.3 How to clean the pic
kup roller ..........................................................................123
6.4 How to clean inside of pr
inter ...........................................................................124
7. Troubleshooting and repair procedure .............................126
7.1 Before starting the repair work .........................................................................127
7.2 Confirmation items before taking corrective action against abnormalities .......127
7.3 Precautions when taking corrective action against abnor
mality .......................127
7.4 Preparation f
or troubleshooting ........................................................................127
7.5 Troub
leshooting method ...................................................................................128
7.5.1 LCD message list ......................................................................................
128
7.5.2 Preparation f
or troubleshooting .................................................................149
7.5.3 Troub
leshooting the abnormal images ......................................................181
7.5.4 Networ
k troubleshooting ...........................................................................188
7.5.4.1 Connection error occurs with the W
eb browser .................................188
7.5.4.2 Print oper
ation is not possible ............................................................194
7.5.4.3 Cannot create Certificate
...................................................................195
7.5.4.4 Installation of Certificate is not possib
le.............................................195
7.5.4.5 Other questionnaires .........................................................................
197
7.5.4.7 Networ
k function restrictions on Sleep mode ....................................200
7.6 Fuse check
.......................................................................................................201
8. Connection diagrams..........................................................202
8.1 Resistance value check ....................................................................................203
8.2 Parts location ....................................................................................................207
8.3 F/W version n
umber .........................................................................................216
8.3.1 ROM control number ...................................................................................216
8.3.2 ROM version check and display ..................................................................217
8.3.3 PCB Maintenance Indication Stamp ............................................................217