HP CM3530 Service Manual - Page 417

Manual sensor test (special-mode test) Use this diagnostic test to test the product sensors and switches. Each sensor is represented by a letter and number on the control panel display. Following is the default state of the sensors when the test is accessed (J is not used on this product). ● A1 B1 C1 D1 E0 F0 G0 H1 I0 K0 L1 M0 N1 O0 P0 Q0 R0 S0 T0 U0 NOTE: For the K right and front door interlock switches test: Sensor K displays as 0 when both the front and side doors are closed. When either door is opened, sensor K displays as 1. There is only one interlock switch for both doors. If sensor K displays as 1, check both door actuators. If the actuators are not damaged, check connector J118 on the DC controller. TIP: If a sensor test fails and the solution is to replace an assembly, try the following. Before you replace the entire assembly, try replacing the failed sensor with the sensor from a replacement assembly. If the problem persists, replace the indicated assembly. 1. Touch Administration. 2. Scroll to and touch Troubleshooting. 3. Scroll to and touch Manual Sensor Test. 4. To exit this test, touch Exit on the touchscreen. Table 7-3 Manual sensor diagnostic tests Sensor or switch name Sensor or switch number Top (A) SR8 Loop 1 (B) SR14 Loop 2 (C) SR15 Fuser delivery (D) SR5 Duplex re-feed (E) SR22 Output bin full (F) SR6 Developing home position sensor (G) SR11 Fuser pressure release sensor (H) SR7 ITB alienation sensor (I) SR17 Front and side door switchs (K) SW1, SW2 Tray 1 (L) SR9 Tray 2 paper present (M) SR3 Tray 2 installed (N) SR4 Tray 2 lift motor (O) SR1 Tray 3 paper present (P) SR3 Tray 3 feed (Q) SR4 Tray 3 installed (R) SR1 Tray 3 size (bottom) button (S) SW1 ENWW Tools for troubleshooting 387