Description: PC motor/YMC’s failure to turn The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
Causes: • PC motor/YMC (M16) • Printer control board (PRCB)
Remedy: 1 Check the connector between M16-PRCB CN22 for proper connection and correct as necessary. 2 Check the M16 connector for proper drive coupling and correct as necessary. 3 M16 operation check PRCB CN22-11 (LOCK) PRCB CN22-8 (REM) 15-K. 4 Replace M16. 5 PRCB ICP5 or ICP18 conduction check. 6 Replace PRCB.