No Lamp On When The Cover Is Open; Defective Motor Operation; No Power - Ricoh B173 Service Documentation

4.5.7 NO LAMP ON WHEN THE COVER IS OPEN

Description
The ERROR lamp does not come on even when the front door is open
Check and Cause
Check the connector (CN1) and circuit
of the cover switch department in the
Main Board.

4.5.8 DEFECTIVE MOTOR OPERATION

Description
Main motor is not driving when printing, and paper does not feed into the printer,
resulting "Jam 0".
Check and Cause
Motor harness or Main Board may be
defective.
Perform Engine Test Mode diagnostic
code 0 and Check the Motor operation.

4.5.9 NO POWER

Description
When system power is turned on, all lamps on the operator panel do not come on.
Check and Cause
Check if the power input and SMPS
output are normal.
Check for defective of LED-Panel on the
OPE if the LED of panel does not
appear after normal warming-up.
B173
Check the insertion of the Cover Open
S/W Connecter.
Replace the Main Board or Cover
Open S/W.
Solution
Check the motor harness, if defective,
replace.
Replace the SMPS, if necessary.
Replace the power supply cord or
SMPS.
Replace the OPE ass'y.
4-18
PRINTING PROBLEMS
Solution
Solution
SM