02/20006-18 DocuPrint N2125GP 2.5 , GP 2.6Initial IssueGeneral Procedures / InformationGP 2.6 NVM ConfigThe IOT NVM values hold critical control parameters of the mechanical and electromagneticcomponents of the printer. The following allows service personnel to status or change NVMsettings.Table 1 summarizes the operation of the Control Panel keys in the NVM Config Menu.Procedure1. Power down printer.2. Simultaneously hold keys 2 and 6 down.3. Power up printer, wait for message "IOT?" to appear on the LCD.4. Release both keys, then press key 4 to enter the IOT Diagnostics menu (message "Enter-ing IOT Diagnostics Mode" appears. If key 4 is not pressed within 5 seconds of the "IOT?"message, printer will go to the normal boot process.5. Press key 1 or 5 to scroll through the Main Menu. "Component Test" and "NVM Config"and "Test Print" are the choices available.6. Press key 2 or 6.7. The message "Enter Password" will appear on the LCD.8. Press keys 0 7 3 4 in sequence.9. Press key 2 or 6 to scroll through the items menu (Table 2).The value in the configuration NVM can be viewed and changed.10. Press key 3 or 7 to view the content of the selected item. Item with an (R) next to it is aread only item.11. Press key 3 or 7 to change the NVM value to a different value. Press key 4 to store thenew value. If key 4 is pressed, a message "Wrote value to NVM" will appear for about 1second on the LCD.Face up tray open E5 Close Face-up trayTray 1 out install tray C3 Main tray not installed prop-erly, insert main trayTray 2 out install tray C3 Aux tray 1 not installed prop-erly, insert Tray properlyTray 3 out install tray C3 Aux tray 2 not installed prop-erly, insert Tray properly(Main Drive) Motor Fail U1 Power off & on if problem con-tinues call for serviceROS Fail U2 Power off & on if problem con-tinues call for serviceFuser Fail U4 Power off & on if problem con-tinues call for serviceFan Fail U5 Power off & on if problem con-tinues call for service(IOT) NVM Fail U6 Power off & on problem con-tinues call for serviceDuplex Unit Fail E9 Power off & on if problem con-tinues call for serviceEnvelope Feeder unit fail E9 Power off & on if problem con-tinues call for serviceOCT Unit fail E9 Power off & on if problem con-tinues call for serviceOptional Feeder Unit fail E11 Power off & on if problem con-tinues call for serviceSet pause command P1 Printer received set pausecommandFuser Warning Fuser Unit Needs to bereplaced, Please WaitReplace fuser, clear fuserwarningTable 2 IOT Fault TableCondition / Message UI Error Code ActionTable 1 NVM Config Key TableKey Numbers ActionsItem Up / Item Down 2 or 6 First key press will request password.Scroll through NVM locations after passwordhas been entered.If location is READ ONLY, a (R) will be dis-played.Value Up / Value Down 3 or 7 First key press will display current value.Second key press changes NVM value up ordown.Enter 4 Press Enter key to enter new value, message"Wrote (value selected) to NVM" will be dis-played. New value has been entered intoNVM.0 -7 -3 -4 Password to enter NVM (Password only has tobe entered once after entering diagnostics.)
