2-20 
  2.4 Test of solenoid valve/pump 
●The confirmation of solenoid valve and pump operation is performed. 
①Supply valve (MV1)  ②Replenishment valve (MV2) 
③Recovery valve (MV3)  ④Viscosity valve  (MV4) 
⑤Circulation valve (MV5)  ⑥Pressure relief valve (MV6) 
⑦Makeup valve (MV7)  ⑧Cleaning valve        (MV8) 
⑨Shutoff valve (MV9)    ⑩Pump 
⑪Viscometer            (MV10)    ⑫INK LOCK    
⑬MAKEUP LOCK                ⑭Recovery valve 2 (MV23) 
⑮Circulation valve 2 (MV25)      ⑯Cleaning valve 2     (MV28) 
⑰Shutoff valve 2    (MV29) 
 
 
●This test only displays operation status when in operating state. 
 
 Operation differs according to state 
Service 
personnel 
maintenance 
mode 
Carries out confirmation of solenoid valve 
and pump operation.   
(Multiple solenoid valves can be operated 
simultaneously.) 
Only displays operation state. 
Operations such as opening 
and closing the solenoid valve 
cannot be performed. 
Carries out confirmation of solenoid valve 
and pump operation. 
  (One solenoid valve at a time is operated.) 
 
 
  1 Press Solenoid valve/pump test on the maintenance menu. 
 
 
 
 
   The solenoid valve /pump test screen is then displayed. 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  2 Press the operation button. 
The operation state of the solenoid valve and pump is then displayed.   
(Confirm operation by operation sound.) 
Open: The solenoid valve is opened.  Close: The solenoid valve is closed. 
Operation: The pump is operated. Stop : The pump is stopped. 
UNLOCKED: It's unlocked.          LOCKED: It's locked. 
 
For information on changing to the service personnel maintenance mode, refer 
to “2.1 Setting of service personnel maintenance mode.”