Canon LBP 2460 Service Manual - Page 287

CHAPTER 4 IX. VARIABLE RESISTORS, LEDS, TEST PINS, JUMPERS, AND SWITCHES ON PC BOARDS Variable resistors (VRs), LED indicators, test pins, jumpers, and switches required in after-sales service are listed below. Any variable resistors, test pins, etc. not listed below are for factory use. They require special tools and measuring instruments, and must be set with high precision. Do not touch them during after-sales service. Notes: 1. Some LEDs receive leakage current during normal operation, causing a dim glow even when they should be OFF. 2. Potentiometers which may be adjusted in after-sales service are marked Potentiometers which may not be adjusted in after-sales service are marked ..... A. DC Controller PCB A1 B1 C1 SW201 3 16 1 4 1 11 1 10 1 J208 J203 J225 J205 J202 6 3 7 16 15 13 1 J204 J212 J211 J207 J206 4 1 21 J226 J201 J222 2 J219 1 1 16 A16 B16 C16 J213 1 20 J215 19 18 J220 A10 B10 6 J218 1 J210 J209 J224 1 2 1 10 J214 9 3 15 A1 B1 J223 21 J221 J216 13 1 3 1 J217 13 Figure 4-9-1 Table 4-9-1 SW No. Function SW201 Test print switch 4 - 73