Toshiba ESTUDIO170F, Service Manual

Page: 463 / 492

11
January 2005 © TOSHIBA TEC e-STUDIO170F Troubleshooting
11 - 51
[ 2 ] COVER OPEN
[ 3 ] TONER NOT RECOGNIZED
[ 4 ] PAPER EMPTY
There are three different error messages on the presence of recording paper. The trouble analysis
changes depending on the type of message.
• When the optional recording paper tray is not installed:
The paper end sensor has turned OFF.
Æ “PAPER EMPTY”
Refer to P.11-52 "[ 5 ] UPPER PAPER EMPTY".
• When the optional recording paper tray is installed:
The paper end sensor has turned OFF.
Æ “UPPER PAPER EMPTY”
Refer to
P.11-52 "[ 5 ] UPPER PAPER EMPTY".
The optional paper end sensor or optional tray sensor has turned OFF.
Æ “LOWER PAPER EMPTY”
Refer to
P.11-52 "[ 6 ] LOWER PAPER EMPTY".
The paper end sensor, optional paper end sensor and optional tray sensor have turned OFF.
Æ “PAPER EMPTY”
Refer to
P.11-52 "[ 5 ] UPPER PAPER EMPTY" and P.11-52 "[ 6 ] LOWER PAPER
EMPTY".
Step Check points Solutions
1 Is the hook of the RX cover or front cover, which
turns ON the cover open switch, damaged?
Replace the RX cover or front cover.
2 Is the RX cover open switch or the front cover
open switch damaged?
Replace the RX cover open switch or front cover
open switch.
3 Is the cable firmly connected with the following
paths?
• RX cover open switch - Main PBA (CN23)
• Front cover open switch - LVPS (CN3)
• LVPS (CN1) - Main PBA (CN17)
Insert the cable to the connector firmly.
4 Does the connector pin come off or is the cable
broken?
Replace the cable.
5 If no problem is found in the steps above, the RX
cover open switch, front cover open switch or
main PBA may be defective.
Replace the cover open switch and then the main
PBA.
Step Check points Solutions
1 Is the toner cartridge contact connected with the
CSIC PBA in the toner cartridge damaged?
Replace the toner cartridge contact.
2 If no problem is found in the steps above, the
CSIC PBA or main PBA may be defective.
Replace the toner cartridge and then the main
PBA.