Olivetti d-Copia 3500MF Service Manual

Also see for d-COPIA 3500MF: Operation guide Technical bulletin

Olivetti d-Copia 3500MF Service Manual Manual pdf 310 page image

2LL/2LJ/2LH1-4-681-4-4 Electric problemsIf the part causing the problem was not supplied, use the unit including the part for replacement.Troubleshooting to each failure must be in the order of the numbered symptoms.Problem Causes Check procedures/corrective measures(1)The machine doesnot operate whenthe main powerswitch is turned on.1. No electricity at thepower outlet.Measure the input voltage.2. The power cord isnot plugged in prop-erly.Check the contact between the power plug and the outlet.3. Broken power cord. Check for continuity. If none, replace the cord.4. Defective mainpower switch.Check for continuity across the contacts. If none, replacethe power source PWB (see page 1-5-43).5. Defective powersource PWB.Replace the power source PWB (see page 1-5-43).(2)MP lift motor doesnot operate.1. Defective connectorcable or poor con-tact in the connector.Reinsert the connector. Also check for continuity within theconnector cable. If none, replace the cable.MP lift motor and relay PWB (YC3)Relay PWB (YC12) and engine PWB (YC17)2. Defective drive trans-mission system.Check if the rollers and gears rotate smoothly. If not,grease the bushes and gears. Check for broken gears andreplace if any.3. Defective motor. Replace the MP lift motor.4. Defective PWB. Replace the engine PWB and check for correct operation(see page 1-5-43).(3)Scanner motordoes not operate.1. Defective connectorcable or poor con-tact in the connector.Reinsert the connector. Also check for continuity within theconnector cable. If none, replace the cable.Scanner motor and ISC PWB (YC5)ISC PWB (YC3) and main PWB (YC11)2. Defective drive trans-mission system.Check if the rollers and gears rotate smoothly. If not,grease the bushes and gears. Check for broken gears andreplace if any.3. Defective motor. Replace the scanner motor.4. Defective PWB. Replace the main PWB and check for correct operation(see page 1-5-38).(4)Registration motordoes not operate(45 ppm/55 ppmmodel only).1. Defective connectorcable or poor con-tact in the connector.Reinsert the connector. Also check for continuity within theconnector cable. If none, replace the cable.Registration motor and feed PWB 1 (YC25)Feed PWB 1 (YC2) and engine PWB (YC5)2. Defective drive trans-mission system.Check if the rollers and gears rotate smoothly. If not,grease the bushes and gears. Check for broken gears andreplace if any.3. Defective motor. Replace the registration motor.4. Defective PWB. Replace the engine PWB and check for correct operation(see page 1-5-43).Service Manual Y113350-5