Call for service CA20 how to fix Model Toshiba e-studio2006 ?

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[CA20] H-sync detection error

(e-STUDIO557/657/757/857)
1. Replace the harness. Reconnect the connector.
2. Check if the connector(CN203) on PLG board hold the harness securely?
3. Check if the following signals are transmitted on the pin of the connector(CN202) on the PLG board? Pin 1: 5V, Pin 3: 0V
4. Replace the laser optical unit.

[CA20] H-Sync detection error

1. Are the harness open circuited and the connectors disconnected between the MAIN board (CN33) and the laser optical unit?

2. Is harness ok, u might need to replace MAIN board following by laser optical unit

CA20 is Laser unit error...

When Toshiba 2006 introduced the call for service Ca20 it could be a problem.

Step 1 Make sure the machine is off. While holding down the "0" and "8" buttons on the keypad, turn the copier back on. Keep holding the "0"' and "8" buttons until the copier lets out a long beep. This will activate "Test Mode D."
Step 2 Type in '263' on the keypad and press the green start button. The password should now show up on the copier's screen. At this point, you can type in a new password if you choose to do so.
Step 3 Press 'Set' to set the new password. Turn the machine off, wait fifteen seconds, and then turn it back on.
Step 4 Go to the functions you wish to reset through the main menu and press "Function Clear." If prompted, type in the password. Repeat for any function you wish to reset.

toshiba estudio 232 errr ca20 wt problems?

CA20 indicates H-Sync detection error.

U need to check whether the cable (flexible flat type) between the connector (CN334) on the LGC board and connector (CN201)
on the LDR board open circuited, broken or disconnected. Try to replace another cable.

CA20 indicates H-Sync detection error . U need to check whether the cable (flexible flat type) between the connector (CN334) on the LGC board and connector (CN201) on the LDR board open circuited, broken or disconnected.