Specifications

7.5 Test Pattern Adjustments
The following test pattern adjustment procedures are based on obtain-
ing correct test pattern printouts. There are five test pattern print-
outs (amplitude, horizontal timing, vertical timing, intermodule gap, and
checkerboard) used with the print quality adjustment procedures. To ad-
just these print quality parameters, perform the test pattern adjustment
procedures in the order given.
1. With the printer in the Off-line mode (printer display is [ O F L]),
press the FCT (9) key and observe that the printer enters the MODE
SELECTION state (printer display changes to[Fnc]).
2. Press the ON LINE (3) key and observe that the printer enters
the ADJUSTMENT mode (printer display changes to [ A d j]). In
ADJUSTMENT mode, any existing special print modes are canceled.
PRINT QUALITY ADJUSTMENT PROCEDURES 7–7