HP M5025 Service Manual - Page 484
Table 6-17, Table 6-18, Table 6-19
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Table 6-17 Transfer and feed jams Jams in the transfer and feed area. Cause The registration roller is dirty, worn, or damaged. The top-of-page sensor assembly (SR5) is not correctly operating. The DC controller PCA has failed. Solution Clean the roller. If the roller is worn or damaged, replace the registration assembly. See Registration assembly on page 325. Verify that the top-of-page sensor assembly (SR5) is correctly installed and can move freely. Replace the DC controller PCA. See DC controller PCA on page 357. Table 6-18 Fuser and delivery jams Jams in the fuser and delivery area. Cause Solution Fuser is damaged. Replace the fuser. See Fuser on page 329. The fuser pressure release assembly rollers are dirty, worn, damaged, or not engaged. Clean the rollers. If the fuser pressure release assembly is worn or damaged, replace the assembly. See Fuser pressure release assembly on page 328. Make sure that the cartridge door linkage is functioning properly so that the fuser drive will engage. The paper delivery assembly rollers are dirty, worn, or damaged. Clean the rollers. If the paper delivery assembly are worn or damaged, replace the assembly. See Paper feed assembly (base unit) on page 332 The DC controller PCA has failed. Replace the DC controller PCA. See DC controller PCA on page 357. Table 6-19 HCI feeder jams (Tray 4/5/6 jams) Jams in the HCI feeder area. Cause Solution The Tray 4/5/6 pickup/feed rollers are not picking up the media. Use only media that meets HP specifications. The tray cassette is not installed correctly or is damaged. Remove the top sheet of media. If the media is heavier than 120 g/m2 (32 lb), it might not be picked from the tray. Remove the tray and then reinstall it. Replace the cassette if necessary. The tray pickup and feed rollers are dirty, worn, or damaged. Clean the rollers. If the rollers are worn or damaged, replace the rollers. See User-replaceable parts on page 182. NOTE Always replace the pickup and feed rollers at the same time. The HCI lifter drive assembly or paper pickup assembly is damaged. Replace the HCI lifter drive assembly or paper pickup assembly. See Lifter driver assembly on page 384 or Paper pickup assemblies on page 378. 454 Chapter 6 Troubleshooting ENWW