Toshiba ESTUDIO170F, Service Manual

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11
January 2005 © TOSHIBA TEC e-STUDIO170F Troubleshooting
11 - 55
11.4.5 Recording paper feed error
[ 1 ] RX motor does not rotate
[ 2 ] Recording paper feed error
1) Recording paper does not feed
2) Paper jam at the paper feed section
Step Check points Solutions
1 Is the cable of the RX motor firmly connected to
the main PBA (CN12)?
Insert the cable firmly to the connector.
2 Does the connector pin come off or is the cable
broken?
Replace the cable.
3 If no problem is found in the steps above, the RX
motor or main PBA may be defective.
Replace the RX motor and then the main PBA.
Step Check points Solutions
1 Does the paper pickup solenoid and optional
paper pickup solenoid drives normally.
When it drives normally, go to step 3.
2 Is the cable firmly connected with the following
paths?
• Paper pickup solenoid - Main PBA (CN14)
• Optional paper pickup solenoid - Optional
tray PBA (CN22)
• Optional tray PBA (CN21) - Main PBA
(CN19)
Insert the cable firmly to the connector.
3 Does the connector pin come off or is the cable
broken?
Replace the cable.
4 Are any of the gears of the pickup roller or feed
roller damaged?
If any is damaged, replace it.
5 Are any of the gears in the feed gear assembly
damaged?
If any is damaged, replace it.
6 If no problem is found in the steps above, the
paper pickup solenoid or main PBA may be
defective.
Replace the pickup solenoid, the optional paper
pickup solenoid, the main PBA and then the
optional tray PBA.
Step Check points Solutions
1 Is the actuator of the paper position sensor dam-
aged?
Replace the paper position sensor.
2 Is the cable firmly connected between the paper
position sensor and the main PBA (CN21)?
Insert the cable firmly to the connector.
3 Does the connector pin come off or is the cable
broken?
Replace the cable.
4 Are any gears in the feed gear assembly dam-
aged?
If any is damaged, replace it.
5 Is the paper feed roller dirty, damaged or worn? Clean or replace the paper feed roller as needed.
6 If no problem is found in the steps above, the
drum unit or main PBA may be defective.
Replace the drum unit and then the main PBA.