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Re: print unable 50
The carrier that goes back & forth has a timing strip ( a plastic strp about 1/4" wide and goes the legth of the machine) If you open the top cover. put your hand in the hole fill twards the front of the machine and the top cover. now the carrier has a U shaped sensore that this strip goes through. 9 times out of 10 the stip has gottin bummped out of position. now you need to put that strip back in the sensore. hard to do with covers on. if look close at the top cover not that hard to take off.
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Error code 7A
A synchronized signal of the main motor cannot be detected.
Turn the power off and then back on again.
1 Flat cable connection failure of main motor
Check the flat cable connection of the main
motor and reconnect them.
2 Main motor failure Replace the main motor.
3 Low voltage power supply PCB failure
Replace the low voltage power supply PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Replace the main PCB ASSY.
You need to pres Menu-Mono Start-Up Arrow 4 times in less than 2 Seconds !!! and you will be in Maintenance mode. LEDs will be flashing. Press the Up Arrow and numbers will change and press OK after the one you want to select. The number sequence is the following. 8-0 2-8-6-4 4-4-6-0 7-7 9-9
Out of the lower paper tray when you go to print? Try this, remove the cassette tray and use a water dampened cloth and clean the gray paper pickup roller off. A lot of times this has paper fiber build up that causes the paper not to feed. The printer has a certain timing pattern for when paper should reach a certain sensor, and if it doesn't, then a jam error will occur.