Xerox C2424 Service Manual - Page 213

Mechanical Initialization of the Print Engine The following chart does not include initialization of the exit module. General Troubleshooting Start the Thermals 13,xxx Unbind Media Path Motor and Home the MPT 31,000 Wait for the Head to read OK_TO_WIPE Temperatures 13.xxx Home XA 6000 Move XA to HEAD TILT POSITION 6000 Start Mechanical Recovery Mechanical Recovery POWER ON Set FIRMWARE states: CapState = UNKNOWN Head Tilt State = UNKNOWN DmfixState = UNKNOWN YaState = HOMELESS Xa State = HOMELESS Home the Y-Axis 5001, 5002 YES Is the head tilt Cam engaged (head tilted?) Valves in the NVRAM are used to determine if the printhead and wiper have contact or if the head was parked on last power down. If the printhead and wiper are in contact, the printhead warms first before moving. If the printhead is parked, the printhead is warm before moving to the print position. The dashed line traces what happens if the printhead was parked on last power down. The RED numbers indicate errors that may be displayed at that point in the mech init process. NO Home the CAP/wiper without disengaging the Head Tilt Cam 8005, 8007, 8008, 8009 If the NVRAM valve cap HT Spring On is set the wiper will move up 100 milli-inches to determine if it is in the spring. if it is it will use a special algorthm to get out of the restraint spring if not it just homes the wiper normally. 4-55 s2424-066