GRAPHTEC FC8000-75 - 8.5 Service Mode

FC8000-UM-251-9370 8-16
8. TROUBLESHOOTING
8.5 Service mode
8.5.1 Sensor Test Mode & Panel Switch Test Mode
Thismodechecksthesensorstatusandthecontrolpanelswitchstatus.Ifthereisabadsensoryouwill
observeoneofthesymptomsinthetablebelow.
Pleasechecktherelevantsensor(s).
Sensor Symptom
Yhomesensor Thepenblockhitstherightsideplate.
Camsensor Theplotterdisplays“LOADMEDIA!”whenmediaisalreadyloaded.
Pinchrollersensor Thepenblockhitstheleftsideplate.
+X,-Xmediasensor Mediadropsoutoftheplotter.
How to test the sensors
(1) LoadanA2orlargersizesheetofpaperintheplotter.
(2) Entertheadjustmentmenu(seeSection7.3.4).
(3) PresstheMENUkeytodisplaythemenushownbelow.
(5) PresstheF1keytodisplaythemenushownbelow.
Eachshortformsarecorrespondingtothesensorsandthecontrolpanelswitchesasshownbelow.
Shortform Sensororkey Shortform Sensororkey Shortform Sensororkey Shortform Sensororkey
UP Uparrowkey DN Downarrowkey LT Leftarrowkey RT Rightarrowkey
YHME Yhomesensor PROL Pinchrollersensor CAM Camsensor
XFRONT Frontmediasensor XREAR Rearmediasensor
STOP STOPkey MENU Menukey COPY Copykey
CCUT CrossCutkey FAST Fastkey ORIG Originkey
COND Conditionkey ENTR Enterkey
F4 4key F3 3key F2 2key F1 1key
(6) Coverthefrontmediasensorwithapieceofpaper.
ThestatusofXFRONTchangesfrom“L”to“H”.
(7) Covertherearmediasensorwithapieceofpaper.
ThestatusofXREARchangesfrom“L”to“H”.
(8) Movethepenblocktothefarright.Whenthepenblockreachesthehomepositionag,thestatusof
YHMEchangesfrom“L”to“H”.
(9) Lowerthemediasetlevertoraisethepinchrollers.ThestatusofCAMchangesfrom“L”to“H”.
(10)Movethepenblocktotheleftandright.Whenthepenblockcrossesthepinchroller,thestatusofPROL
changesfrom“L”to“H”.