IBM 4247-003 Maintenance Manual - Page 273
Connector Locations - Model 003 - driver
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Connector Locations - Model 003 Attachment Connector ASF Stacker Operator Panel Tractors Sensors (Path, Ribbon Motion and Carriage Home) Power Supply Paper Feed Motor E90ALOCA Print Head and Ribbon Lift Motor Carriage Motor Ribbon Driver AFTA Motor Board Fan Carriage Fan Figure 46. Connector Locations - Model 003 Network Print Server Attachment Pin 18 +5 V Jumper Location and the Parallel Connector The NPS Ethernet 540+ can be used without an external power supply only if +5 V dc is enabled (supplied) on pin 18 of the printer parallel attachment connector. NPS devices (p/n 30H4082, 30H4083, 30H4055) cannot be powered by pin 18 and always require an external +12 V ac power supply. There is no danger of damaging any NPS or other computer devices when +5 V dc is enabled on pin 18. The new logic board you receive will have a 2 pin jumper installed on either a 2 pin or a 3 pin connector located near the parallel attachment connector. 1. Find the 2 pin jumper and connector Chapter 4. Locations 273
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