66 6-26-2Trouble Shooting > Test Print > Test Pages > Controller Test PrintTrouble Shooting > Test Print > Test Pages > Controller Test PrintTest PrintTest PagesPrinting test pages helps determine if the printer is functioning.CAUTION:There are two types of test pages: engine-test page and formatter-test page. Print atest page to make sure the printer engine and the formatter are functioning.■ Engine-test PageThere are two types of engine-test pages simplex print and duplex print.a. Simplex printOpen and close the cartridge door three times continuously within 2 seconds during thestandby period. The engine-test page should have a test print pattern on one side of mediaas shown below.b. Duplex printOpen and close the cartridge door five times continuously within 2 seconds during thestandby period. The engine-test page should have a test print pattern on both sides of mediaas shown below.F-6-1■ Controller Test PrintThis product provides the following 8 test chart types to determine causes of faulty images.The data for test charts are created in the main controller. If no problem is found on the outputtest charts, the cause may lie in the PDL input or the reader.TYPE No. can be selected in TESTMODE > PRINT > PG-TYPE.TYPE No. pattern image check item0 Grid chart Right angle accuracyStraight line accuracy1 Halftone Transfer failure, Black line, White line, Margin2 Solid black Transfer failure, White line, Margin3 Solid white Fogging4 17 gradations Gradation, Black line, White line5 Thin horizontal line Black line, White line, Parallelism6 PASCAL correction chart -7 Chart 128 -T-6-1