IBM 6400-I15 Maintenance Manual - Page 56
Start of Call, Display Messages
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Start of Call Are you here because of an error message? NO YES Go to Troubleshooting Display Messages, page 57. In the next step, you will observe the operator panel for the following sequence of events (retry as required): 1. All LEDs on and black squares on display. 2. All LEDs off and display blank. 3. TESTING HARDWARE PLEASE WAIT message on display. Power on the printer. Did steps 1, 2, and 3 occur? YES NO Did the fans come on? YES NO Did Power and Ready LEDs come on after 10 seconds? YES Did the fans come on after 10 seconds? YES NO NO Go to Printer does not complete IML, Press Stop. page 122. Press Print Configuration. Press Start. Go to Printer does not complete IML, page 122. Does machine configuration print? YES NO Go to the Operator Panel section of Table 3, page 67. The Operator Panel is not functioning (see Table 3, page 67) -OR- Printer does not complete IML, page 122. Did ANY of steps 1 thru 3 occur? YES NO Are there black squares on the operator panel? NO YES Go to No power, and the operator panel is blank, and the card cage fan is not running, page 119. Go to Printer does not complete IML, page 122. Go to Black squares on operator panel display, page 114. IML was successful. Other symptoms are listed in Table 3, page 67. 56 Troubleshooting
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