LP 990 (260-2879) Displayed Messages/Error Codes Faxback Doc. # 14309 When an error message appears on the display, correct the error condition by following the appropriate procedure. ┌─────────────────┬─────────────────────────┬────────────────────────────┐ │ Error Messages │ Description │ Remedy │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ INPUT BUFFER │The host computer │Check the protocol signal │ │ FULL │ignores the printer's │line between the printer and│ │ │busy state and continues │the host computer or adjust │ │ │to send data. │the setting. Press the │ │ │ │CONTINUE/RESET key. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ COVER OPEN │Upper unit of printer is │Close the upper unit firmly │ │ │not closed properly. │and check that it is │ │ │ │properly latched. Press the│ │ │ │CONTINUE/RESET key. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ INTERFACE │RS-232C interface error │Check the RS-232C interface │ │ ERROR │(For example, framing │function and correct it if │ │ │error.) │necessary. Press the │ │ │ │CONTINUE/RESET key. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ DATA LOSS │Too many characters on │Delete excess characters and│ │ ERROR │one line. │print again. │ │ │ │Press the CONTINUE/RESET key│ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ PAPER OUT TRAY │Paper empty or paper │Add paper or replace the │ │ *** │cassette removed. │paper cassette. If the │ │ (*** = │ │paper size matches the │ │ TRAY1, TRAY2) │ │previous setting, the │ │ │ │printers returns on-line. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ PAPER JAM │Paper is jammed. │Open the cover and remove │ │ │ │the misfed paper. │ │ │ │Press CONTINUE/RESET key. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ REPL. │End of developer │Replace the developer │ │ DEVELOPER │cartridge life. │cartridge. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ REPL. PHOTO │End of OPC cartridge │Replace the OPC cartridge. │ │ DRUM │life. │ │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ REPL. TONER KIT │Toner cartridge almost │Replace with a new toner │ │ │empty. │kit. │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ REPL. TONER │Toner collecting con- │Install the toner collecting│ │ COLL. │tainer is not installed │container properly. │ │ │properly. │ │ │ │ │ │ │ │Toner cartridge was not │Replace with a new toner kit│ │ │replaced when "REPL. │ │ │ │TONER KIT" was displayed.│ │ │ │ │ │ │ │Toner collecting │Replace the toner collecting│ │ │container has not been │container. │ │ │replaced. │ │ ├─────────────────┼─────────────────────────┼────────────────────────────┤ │ DATA MEMORY │If on-line and printing │When space becomes available│ │ FULL │printing continues on to │in the user memory, press │ │ │the next page. │the CONTINUE/RESET key. │ │ │ │ │ │ │While entering soft font │Option 1: │ │ │or macro, the printer │Press the CONTINUE/RESET │ │ │goes off-line. │key. The soft font or macro│ │ │ │entered prior to going off- │ │ │ │line is deleted and the │ │ │ │printer goes back on-line. │ │ │ │ │ │ │ │Option 2: │ │ │ │Press and hold the │ │ │ │CONTINUE/RESET key until │ │ │ │RESET appears on the display│ │ │ │All temporary soft fonts and│ │ │ │macros are deleted and the │ │ │ │printer goes back on-line. │ └─────────────────┴─────────────────────────┴────────────────────────────┘ Service Messages When a service message appears on the display, service by an authorized Tandy Service Technician is required. Try turning the printer off and then on again to confirm the displayed message. Then contact your local service center as soon as possible. ┌─────────────────────────────────────────────────────┐ │ DISPLAY MEANING │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C1) Optical System Error │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C2) Main Motor Defective │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C3) Polygon Motor Defective │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C4) High Heater Temperature │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C5) Low Heater Temperature │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C6) Thermistor Open │ ├─────────────────────────────────────────────────────┤ │ SERVICE (C7-C9) (Reserved) │ └─────────────────────────────────────────────────────┘ ┌─────────────────────────────────────────────────────────────┐ │ DISPLAY MEANING │ ├─────────────────────────────────────────────────────────────┤ │ SERVICE (E1) ICU ROM Checksum Error │ ├─────────────────────────────────────────────────────────────┤ │ SERVICE (E2) ICU RAM Read/Write Error │ ├─────────────────────────────────────────────────────────────┤ │ SERVICE (E3) Expansion Memory Error │ ├─────────────────────────────────────────────────────────────┤ │ SERVICE (E4) ICU Hardware Read/Write Error │ ├─────────────────────────────────────────────────────────────┤ │ SERVICE (E5) Non-volatile RAM Checksum Error │ ├─────────────────────────────────────────────────────────────┤ │ SERVICE (E6-E9) (Reserved) │ └─────────────────────────────────────────────────────────────┘ ┌─────────────────────────────────────────────────────────┐ │ DISPLAY MEANING │ ├─────────────────────────────────────────────────────────┤ │ SERVICE (P1) PCU ROM Checksum Error │ ├─────────────────────────────────────────────────────────┤ │ SERVICE (P2) PCU RAM Read/Write Error │ ├─────────────────────────────────────────────────────────┤ │ SERVICE (P3) Non-volatile RAM Read Error │ ├─────────────────────────────────────────────────────────┤ │ SERVICE (P5-P6) (Reserved) │ └─────────────────────────────────────────────────────────┘ ICU: Interface Control Unit PCU: Process Control Unit (ALL-03/22/95)