9 Check
Is the voltage
No: Replace the DC power supply unit, then turn to TAG 002: Check & Problem Resolution.
Yes: Repair or replace connectors or wiring from
10 Does the problem appear while using
No: The problem may be caused by the IGS board, signal interface board, host computer, or host interface cable. Determine which of these are at fault, correct the problem, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
11 Turn the printer off and unplug the power cord.
•Install a breakout box on the printer to confirm that the host interface cable works as outlined in the table that follows.
•Reconnect all communication lines.
•Reconnect any external attachment option.
•
•Run the failing job again.
Table
Host Computer |
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| Printer |
| Description | ||
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Signal | Pin # |
| Directions | Pin # | Signal | ||
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FG | 1 |
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| 1 | FG |
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SG | 7 |
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| 7 | SG |
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TD | 2 | _ |
| < | 2 | TD | Data Out (status) |
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TD | 2 | < |
| _ | 3 | RD | Data In (CMD/Data) |
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RTS | 4 | _ |
| < | 4 | RTS | Optional; continuous positive volt- |
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| age for host computers that require |
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| a “printer present” indication. |
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CTS | 5 | < |
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| 5 | CTS | Must go to a positive voltage from |
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| the host computer. It is only looked |
DSR | 6 | < |
| _ |
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| at by the printer at |
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| ization. | ||||
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DTR | 20 | _ |
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| 20 | DTR | Depends on printer soft configura- |
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| tion option 15. DTR will always be a |
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| positive voltage if set to “DTR High.” |
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| DTR will change from a positive to a |
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| negative voltage if set to “DTR Pac- |
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| ing” and the buffer is full |
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Does your cable work as outlined in the Cable Reference Table above?
No: The problem appears to be related to the host computer or host interface cable. Correct the problem, then turn to TAG 002: Check & Problem Resolution.
Yes: The problem may be caused by the IGS board, signal interface board, or outdated printer software. Determine which of these is at fault, correct the problem, then turn to TAG 002: Check & Problem Resolution.
Troubleshooting Analysis Guide (TAGs) |