Oki C711 User Manual

44205401TH Rev.1
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Oki Data CONFIDENTIAL
5.2 Maintenance Utilities ..........................................................................................94
5.3 Maintenance menu functions ..............................................................................96
5.3.1
Self-diagnostic mode ..................................................................................96
5.3.1.1
Operation panel ...................................................................................96
5.3.1.2
Ordinary self-diagnostic mode (level 1) ...............................................98
5.3.1.
3 Switch scan test ...................................................................................99
5.3.1.4
Motor clutch test ................................................................................101
5.3.1.5
Test print ............................................................................................103
5.3.1.6
Color registration correction test ........................................................107
5.3.1.7
Density correction test .......................................................................108
5.3.1.8
Consumable item counter display ......................................................110
5.3.1.9
Number of print copies counter display .............................................111
5.3.1.10
Switching between the Factory mode and the Shipping mode ..........111
5.3.1.11
Self-diagnostic function setting ..........................................................112
5.3.1.12
LED head serial number display .......................................................113
5.3.1.1
3 NVRAM parameter setting ................................................................113
5.3.2
Various prints with the printer as a standalone unit ..................................113
5.3.
3 Functions of keys at power on ..................................................................114
5.4 Setups upon completion of part replacement
...................................................115
5.4.1 Precautions when replacing the CU/PU board .........................................
115
5.5 Density control manual setting
.........................................................................117
5.6 Printer boot men
u list ........................................................................................118
6. Periodic Maintenance .........................................................120
6.1 Cleaning ...........................................................................................................121
6.2 How to clean the LED lens array ......................................................................122
6.3 How to clean the pic
kup roller ..........................................................................124
6.4 How to clean inside of pr
inter ...........................................................................125
7. Troubleshooting and repair procedure .............................127
7.1 Before starting the repair work .........................................................................128
7.2 Confirmation items before taking corrective action against abnormalities .......128
7.3 Precautions when taking corrective action against abnor
mality .......................128
7.4 Preparation f
or troubleshooting ........................................................................128
7.5 Troub
leshooting method ...................................................................................129
7.5.1 LCD message list ......................................................................................
129
7.5.2 Preparation f
or troubleshooting .................................................................150
7.5.3 Troub
leshooting the abnormal images ......................................................182
7.5.4 Networ
k troubleshooting ...........................................................................189
7.5.4.1 Connection error occurs with the W
eb browser .................................189
7.5.4.2 Print oper
ation is not possible ............................................................195
7.5.4.3 Cannot create Certificate
...................................................................196
7.5.4.4 Installation of Certificate is not possib
le.............................................196
7.5.4.5 Other questionnaires .........................................................................
198
7.5.4.7 Networ
k function restrictions on Sleep mode ....................................201
7.6 Fuse check
.......................................................................................................202
7.7 Paper cassette s
witches versus Paper size correspondence table ..................203
8. Connection diagrams..........................................................204
8.1 Resistance value check ....................................................................................205
8.2 Parts location ....................................................................................................209
8.3 F/W version n
umber .........................................................................................218
8.3.1 R
OM control number ...................................................................................218
8.3.2 R
OM version check and display ..................................................................219
8.3.
3 PCB Maintenance Indication Stamp ............................................................219

Oki C711 Specifications

General

Brand	Oki
Model	C711
Category	Printer
Language	English