OKIDATA OF1050, Service Manual

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Table of Contents Page
....4.2.6 Lower Base, Motor Assembly, Back-up Roller, Transfer
Roller, Reset Levers 154
....4.2.7 Registration Roller, Hopping Roller, Sensor Plates 155
....4.2.8 MCNT Board, Power Supply Unit, Contact Assembly,
Transformer 156
5 Adjustments
5.1 Setting of LED Print Head Drive Time 157
5.2 Power Voltage (Confirmation) 158
5.3 Contact Image Sensor Output Check (Confirmation) 159
6 Cleaning and Maintenance
6.1 Replacement of Consumable Parts 160
6.2 Preventative Maintenance 161
6.3 Printer Counter Display/Clear 162
6.4 Printer Counter Display/Clear 163
6.5 Self-diagnosis Test 164
6.6 Sensor Calibration Test 165
6.7 LED Test 166
6.8 Tone Send Test 167
6.9 High-speed Modem Send Test 168
6.10 High-speed Modem Receive Test 169
6.11 MF Send Test 170
6.12 Tone (TEL/FAX) 171
6.13 Printer Cleaning 172
6.14 Protocol Dump Data Printing 173
....6.14.02 Procedure 174
....6.14.03 Dump data description 175
....6.14.04 Analysis from the data 176
....6.14.05 FCF (Facsimile Control Field) conversion table 177
6.15 System Reset 178
6.16 Service Code 179
7 Troubleshooting and Repair
General 180
7.1 Overall Troubleshooting Flow Chart 181
7.2 No LCD Operation 182
7.3 ALARM LED ON 183
7.4 Printing Test Failure 184
7.5 No Local Copy 185
7.6 Auto Dial Failure 186
7.7 Transmission Problem 187
7.8 Auto Reception Failure 188
7.9 Reception Problem 189
7.10 Scan Calibration Test Failure 190
7.11 LED Test 191
7.12 Tone Send Test 192