Users Manual Model 656/636 Electrical Trouble Shooting • 47
Stock / Ink Advance
Problem Probable Cause Corrective Action
Stock does not advance when the
start button is depressed.
1) No batches to be printed. 1) Download batch (if batch
downloaded uses the same format
as a previously downloaded batch
the machine with start
automatically).
2) An interlock condition exists. 2) Determine the number and type of
interlock(s) by reading the front
panel display. As each is corrected
the number of errors will decrease
(Example "Error 910 Stock Out"
reload stock).
3) Feed motor unplugged or faulty. 3) Check feed motor cable and or
replace feed motor.
4) Thermal Control Board unplugged
or faulty.
4) Check Thermal Control Board /
AT board connection and or
replace Thermal Control Board.
5) Feed roller not gripping stock. 5) Adjust the feed pressure. Refer to
"Mechanical Adjustment Of Feed
Roller Pressure".
6) Feed rollers bound. 6) With power off check that all
rollers turn freely.
7) Stock bound. 7) With the print head and feed open
check that the stock will pull
through the printer with little to no
resistance.