IBM 4247-003 Maintenance Manual - Page 152
Reference Table 6, LED and Test Problems – NPS and LANAttachment Card, For NPS 640 p.n.30H4082
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Description of Failure ASF Stacker failure. Fanfold paper enters the ASF stacker assembly. Paper from the ASF or manual sheet feed tray fails to enter the ASF stacker. Action See "MAP 0170: ASF Stacker" on page 94. See "MAP 0170: ASF Stacker" on page 94. See "MAP 0170: ASF Stacker" on page 94. Reference Table 6, LED and Test Page Problems - NPS and LAN Attachment Card Symptom Probable Cause Power LED is not lighted No power on external NPS- all models LAN attachment not No communication shown on operator panel between LAN card and display - Model 003 with logic board LAN card Action v For NPS 540+ (p.n. 30H4054) with no external power supply, see Table 19 on page 154. v For NPS 540+ (p.n.30H4054) using an external power supply, see Table 20 on page 155. v For NPS 640 (p.n.30H4082), NPS 642 (p.n.30H4083), or NPS 542+ (p.n.30H4055) using an external power supply, see Table 21 on page 155. 1. Loosen screws and reseat the LAN card. 2. Replace the LAN card. See "Model 003 Attachment Cards: Serial, Twinax, LAN, Coax" on page 359. 3. Replace the interposer connector. See "Attachment Card Guide Assembly with the Interposer Connector (Model 003)" on page 364. 4. Replace the logic board. See "Logic Board - Model 003" on page 366. Chapter 1. Diagnosing Problems 152
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